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Posted to commits@knox.apache.org by kr...@apache.org on 2020/03/13 15:01:22 UTC

svn commit: r1875157 [1/3] - in /knox: site/ site/books/knox-0-12-0/ site/books/knox-0-13-0/ site/books/knox-0-14-0/ site/books/knox-1-0-0/ site/books/knox-1-1-0/ site/books/knox-1-2-0/ site/books/knox-1-3-0/ site/books/knox-1-4-0/ trunk/books/0.10.0/ ...

Author: krisden
Date: Fri Mar 13 15:01:22 2020
New Revision: 1875157

URL: http://svn.apache.org/viewvc?rev=1875157&view=rev
Log:
KNOX-2291 - Improve WebAppSec docs around cors.enabled

Modified:
    knox/site/books/knox-0-12-0/user-guide.html
    knox/site/books/knox-0-13-0/user-guide.html
    knox/site/books/knox-0-14-0/user-guide.html
    knox/site/books/knox-1-0-0/user-guide.html
    knox/site/books/knox-1-1-0/user-guide.html
    knox/site/books/knox-1-2-0/user-guide.html
    knox/site/books/knox-1-3-0/user-guide.html
    knox/site/books/knox-1-4-0/user-guide.html
    knox/site/index.html
    knox/site/issue-management.html
    knox/site/licenses.html
    knox/site/mailing-lists.html
    knox/site/project-info.html
    knox/site/team.html
    knox/trunk/books/0.10.0/config_pac4j_provider.md
    knox/trunk/books/0.10.0/config_webappsec_provider.md
    knox/trunk/books/0.11.0/config_pac4j_provider.md
    knox/trunk/books/0.11.0/config_webappsec_provider.md
    knox/trunk/books/0.12.0/config_pac4j_provider.md
    knox/trunk/books/0.12.0/config_webappsec_provider.md
    knox/trunk/books/0.13.0/config_pac4j_provider.md
    knox/trunk/books/0.13.0/config_webappsec_provider.md
    knox/trunk/books/0.14.0/config_pac4j_provider.md
    knox/trunk/books/0.14.0/config_webappsec_provider.md
    knox/trunk/books/0.7.0/config_webappsec_provider.md
    knox/trunk/books/0.8.0/config_pac4j_provider.md
    knox/trunk/books/0.8.0/config_webappsec_provider.md
    knox/trunk/books/0.9.0/config_pac4j_provider.md
    knox/trunk/books/0.9.0/config_webappsec_provider.md
    knox/trunk/books/0.9.1/config_pac4j_provider.md
    knox/trunk/books/0.9.1/config_webappsec_provider.md
    knox/trunk/books/1.0.0/config_pac4j_provider.md
    knox/trunk/books/1.0.0/config_webappsec_provider.md
    knox/trunk/books/1.1.0/config_pac4j_provider.md
    knox/trunk/books/1.1.0/config_webappsec_provider.md
    knox/trunk/books/1.2.0/config_pac4j_provider.md
    knox/trunk/books/1.2.0/config_webappsec_provider.md
    knox/trunk/books/1.3.0/config_pac4j_provider.md
    knox/trunk/books/1.3.0/config_webappsec_provider.md
    knox/trunk/books/1.4.0/config_pac4j_provider.md
    knox/trunk/books/1.4.0/config_webappsec_provider.md

Modified: knox/site/books/knox-0-12-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-0-12-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-0-12-0/user-guide.html (original)
+++ knox/site/books/knox-0-12-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -2864,15 +2864,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are two aspects of web application security that are handled now: Cross Site Request Forgery (CSRF) and Cross Origin Resource Sharing. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider params. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF and CORS but others will follow and you may be interested in creating your own.</p>
@@ -2884,13 +2875,17 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe.options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
 &lt;/provider&gt;
 </code></pre>
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -2925,6 +2920,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the &ndash;header &ldquo;X-XSRF-Header: valid&rdquo; above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -2937,7 +2934,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This param enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -3320,15 +3317,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-0-13-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-0-13-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-0-13-0/user-guide.html (original)
+++ knox/site/books/knox-0-13-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -2918,15 +2918,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are two aspects of web application security that are handled now: Cross Site Request Forgery (CSRF) and Cross Origin Resource Sharing. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider params. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF and CORS but others will follow and you may be interested in creating your own.</p>
@@ -2938,13 +2929,17 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe.options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
 &lt;/provider&gt;
 </code></pre>
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -2979,6 +2974,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the &ndash;header &ldquo;X-XSRF-Header: valid&rdquo; above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -2991,7 +2988,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This param enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -3374,15 +3371,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-0-14-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-0-14-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-0-14-0/user-guide.html (original)
+++ knox/site/books/knox-0-14-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -3919,17 +3919,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are three aspects of web application security that are handled now: Cross Site Request Forgery (CSRF), Cross Origin Resource Sharing and HTTP Strict-Transport-Security. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
-<h4><a id="HTTP+Strict-Tranport-Security+-+HSTS">HTTP Strict-Tranport-Security - HSTS</a> <a href="#HTTP+Strict-Tranport-Security+-+HSTS"><img src="markbook-section-link.png"/></a></h4>
-<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider params. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF, CORS and HTTP STS but others will follow and you may be interested in creating your own.</p>
@@ -3941,7 +3930,7 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe-options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;strict.transport.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
 &lt;/provider&gt;
@@ -3949,6 +3938,10 @@ APACHE_HOME/bin/apachectl -k stop
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -3983,6 +3976,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the &ndash;header &ldquo;X-XSRF-Header: valid&rdquo; above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -3995,7 +3990,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This param enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -4070,7 +4065,7 @@ APACHE_HOME/bin/apachectl -k stop
   </tbody>
 </table>
 <h5><a id="HTTP+Strict+Transport+Security">HTTP Strict Transport Security</a> <a href="#HTTP+Strict+Transport+Security"><img src="markbook-section-link.png"/></a></h5>
-<p>Web applications can be protected by protocol downgrade attacks and cookie hijacking by adding HTTP Strict Transport Security response header.</p>
+<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4402,15 +4397,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-1-0-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-1-0-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-1-0-0/user-guide.html (original)
+++ knox/site/books/knox-1-0-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -3927,17 +3927,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are three aspects of web application security that are handled now: Cross Site Request Forgery (CSRF), Cross Origin Resource Sharing and HTTP Strict-Transport-Security. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
-<h4><a id="HTTP+Strict-Tranport-Security+-+HSTS">HTTP Strict-Tranport-Security - HSTS</a> <a href="#HTTP+Strict-Tranport-Security+-+HSTS"><img src="markbook-section-link.png"/></a></h4>
-<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider params. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF, CORS and HTTP STS but others will follow and you may be interested in creating your own.</p>
@@ -3949,7 +3938,7 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe-options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;strict.transport.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
 &lt;/provider&gt;
@@ -3957,6 +3946,10 @@ APACHE_HOME/bin/apachectl -k stop
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as Javascript XMLHttpRequest or Flash. These technologies can set custom HTTP headers, but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -3991,6 +3984,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the &ndash;header &ldquo;X-XSRF-Header: valid&rdquo; above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4003,7 +3998,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This param enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -4078,7 +4073,7 @@ APACHE_HOME/bin/apachectl -k stop
   </tbody>
 </table>
 <h5><a id="HTTP+Strict+Transport+Security">HTTP Strict Transport Security</a> <a href="#HTTP+Strict+Transport+Security"><img src="markbook-section-link.png"/></a></h5>
-<p>Web applications can be protected by protocol downgrade attacks and cookie hijacking by adding HTTP Strict Transport Security response header.</p>
+<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4410,15 +4405,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-1-1-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-1-1-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-1-1-0/user-guide.html (original)
+++ knox/site/books/knox-1-1-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -4046,17 +4046,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are three aspects of web application security that are handled now: Cross Site Request Forgery (CSRF), Cross Origin Resource Sharing and HTTP Strict-Transport-Security. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
-<h4><a id="HTTP+Strict-Transport-Security+-+HSTS">HTTP Strict-Transport-Security - HSTS</a> <a href="#HTTP+Strict-Transport-Security+-+HSTS"><img src="markbook-section-link.png"/></a></h4>
-<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider parameters. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF, CORS and HTTP STS but others might follow, and you may be interested in creating your own.</p>
@@ -4068,7 +4057,7 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe.options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xss.protection.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;strict.transport.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
@@ -4077,6 +4066,10 @@ APACHE_HOME/bin/apachectl -k stop
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4111,6 +4104,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the <code>--header &quot;X-XSRF-Header: valid&quot;</code> above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4123,7 +4118,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This parameter enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -4241,7 +4236,7 @@ APACHE_HOME/bin/apachectl -k stop
   </tbody>
 </table>
 <h5><a id="HTTP+Strict+Transport+Security">HTTP Strict Transport Security</a> <a href="#HTTP+Strict+Transport+Security"><img src="markbook-section-link.png"/></a></h5>
-<p>Web applications can be protected by protocol downgrade attacks and cookie hijacking by adding HTTP Strict Transport Security response header.</p>
+<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4573,15 +4568,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-1-2-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-1-2-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-1-2-0/user-guide.html (original)
+++ knox/site/books/knox-1-2-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -4046,17 +4046,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are three aspects of web application security that are handled now: Cross Site Request Forgery (CSRF), Cross Origin Resource Sharing and HTTP Strict-Transport-Security. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
-<h4><a id="HTTP+Strict-Transport-Security+-+HSTS">HTTP Strict-Transport-Security - HSTS</a> <a href="#HTTP+Strict-Transport-Security+-+HSTS"><img src="markbook-section-link.png"/></a></h4>
-<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider parameters. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF, CORS and HTTP STS but others might follow, and you may be interested in creating your own.</p>
@@ -4068,7 +4057,7 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe.options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xss.protection.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;strict.transport.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
@@ -4077,6 +4066,10 @@ APACHE_HOME/bin/apachectl -k stop
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4111,6 +4104,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the <code>--header &quot;X-XSRF-Header: valid&quot;</code> above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4123,7 +4118,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This parameter enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -4241,7 +4236,7 @@ APACHE_HOME/bin/apachectl -k stop
   </tbody>
 </table>
 <h5><a id="HTTP+Strict+Transport+Security">HTTP Strict Transport Security</a> <a href="#HTTP+Strict+Transport+Security"><img src="markbook-section-link.png"/></a></h5>
-<p>Web applications can be protected by protocol downgrade attacks and cookie hijacking by adding HTTP Strict Transport Security response header.</p>
+<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4573,15 +4568,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-1-3-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-1-3-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-1-3-0/user-guide.html (original)
+++ knox/site/books/knox-1-3-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -4300,17 +4300,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are three aspects of web application security that are handled now: Cross Site Request Forgery (CSRF), Cross Origin Resource Sharing and HTTP Strict-Transport-Security. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
-<h4><a id="HTTP+Strict-Transport-Security+-+HSTS">HTTP Strict-Transport-Security - HSTS</a> <a href="#HTTP+Strict-Transport-Security+-+HSTS"><img src="markbook-section-link.png"/></a></h4>
-<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider parameters. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF, CORS and HTTP STS but others might follow, and you may be interested in creating your own.</p>
@@ -4322,7 +4311,7 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe.options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xss.protection.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;strict.transport.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
@@ -4331,6 +4320,10 @@ APACHE_HOME/bin/apachectl -k stop
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4365,6 +4358,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the <code>--header &quot;X-XSRF-Header: valid&quot;</code> above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4377,7 +4372,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This parameter enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -4495,7 +4490,7 @@ APACHE_HOME/bin/apachectl -k stop
   </tbody>
 </table>
 <h5><a id="HTTP+Strict+Transport+Security">HTTP Strict Transport Security</a> <a href="#HTTP+Strict+Transport+Security"><img src="markbook-section-link.png"/></a></h5>
-<p>Web applications can be protected by protocol downgrade attacks and cookie hijacking by adding HTTP Strict Transport Security response header.</p>
+<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4826,16 +4821,6 @@ APACHE_HOME/bin/apachectl -k stop
 <h5><a id="SSO+topology">SSO topology</a> <a href="#SSO+topology"><img src="markbook-section-link.png"/></a></h5>
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
-  &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/books/knox-1-4-0/user-guide.html
URL: http://svn.apache.org/viewvc/knox/site/books/knox-1-4-0/user-guide.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/books/knox-1-4-0/user-guide.html (original)
+++ knox/site/books/knox-1-4-0/user-guide.html Fri Mar 13 15:01:22 2020
@@ -4325,17 +4325,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Use Knox samples.</p>
 <h3><a id="Web+App+Security+Provider">Web App Security Provider</a> <a href="#Web+App+Security+Provider"><img src="markbook-section-link.png"/></a></h3>
 <p>Knox is a Web API (REST) Gateway for Hadoop. The fact that REST interactions are HTTP based means that they are vulnerable to a number of web application security vulnerabilities. This project introduces a web application security provider for plugging in various protection filters.</p>
-<p>There are three aspects of web application security that are handled now: Cross Site Request Forgery (CSRF), Cross Origin Resource Sharing and HTTP Strict-Transport-Security. Others will be added in future releases.</p>
-<h4><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h4>
-<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
-<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
-<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
-<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
-<h4><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h4>
-<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
-<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
-<h4><a id="HTTP+Strict-Transport-Security+-+HSTS">HTTP Strict-Transport-Security - HSTS</a> <a href="#HTTP+Strict-Transport-Security+-+HSTS"><img src="markbook-section-link.png"/></a></h4>
-<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h4><a id="Configuration">Configuration</a> <a href="#Configuration"><img src="markbook-section-link.png"/></a></h4>
 <h5><a id="Overview">Overview</a> <a href="#Overview"><img src="markbook-section-link.png"/></a></h5>
 <p>As with all providers in the Knox gateway, the web app security provider is configured through provider parameters. Unlike many other providers, the web app security provider may actually host multiple vulnerability/security filters. Currently, we only have implementations for CSRF, CORS and HTTP STS but others might follow, and you may be interested in creating your own.</p>
@@ -4347,7 +4336,7 @@ APACHE_HOME/bin/apachectl -k stop
     &lt;param&gt;&lt;name&gt;csrf.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.customHeader&lt;/name&gt;&lt;value&gt;X-XSRF-Header&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;csrf.methodsToIgnore&lt;/name&gt;&lt;value&gt;GET,OPTIONS,HEAD&lt;/value&gt;&lt;/param&gt;
-    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
+    &lt;param&gt;&lt;name&gt;cors.enabled&lt;/name&gt;&lt;value&gt;false&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xframe.options.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;xss.protection.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
     &lt;param&gt;&lt;name&gt;strict.transport.enabled&lt;/name&gt;&lt;value&gt;true&lt;/value&gt;&lt;/param&gt;
@@ -4356,6 +4345,10 @@ APACHE_HOME/bin/apachectl -k stop
 <h4><a id="Descriptions">Descriptions</a> <a href="#Descriptions"><img src="markbook-section-link.png"/></a></h4>
 <p>The following tables describes the configuration options for the web app security provider:</p>
 <h5><a id="CSRF">CSRF</a> <a href="#CSRF"><img src="markbook-section-link.png"/></a></h5>
+<p>Cross site request forgery (CSRF) attacks attempt to force an authenticated user to execute functionality without their knowledge. By presenting them with a link or image that when clicked invokes a request to another site with which the user may have already established an active session.</p>
+<p>CSRF is entirely a browser-based attack. Some background knowledge of how browsers work enables us to provide a filter that will prevent CSRF attacks. HTTP requests from a web browser performed via form, image, iframe, etc. are unable to set custom HTTP headers. The only way to create a HTTP request from a browser with a custom HTTP header is to use a technology such as JavaScript XMLHttpRequest or Flash. These technologies can set custom HTTP headers but have security policies built in to prevent web sites from sending requests to each other unless specifically allowed by policy. </p>
+<p>This means that a website www.bad.com cannot send a request to <a href="http://bank.example.com">http://bank.example.com</a> with the custom header X-XSRF-Header unless they use a technology such as a XMLHttpRequest. That technology would prevent such a request from being made unless the bank.example.com domain specifically allowed it. This then results in a REST endpoint that can only be called via XMLHttpRequest (or similar technology).</p>
+<p>NOTE: by enabling this protection within the topology, this custom header will be required for <em>all</em> clients that interact with it - not just browsers.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4390,6 +4383,8 @@ APACHE_HOME/bin/apachectl -k stop
 <p>Omitting the <code>--header &quot;X-XSRF-Header: valid&quot;</code> above should result in an HTTP 400 bad_request.</p>
 <p>Disabling the provider will then allow a request that is missing the header through. </p>
 <h5><a id="CORS">CORS</a> <a href="#CORS"><img src="markbook-section-link.png"/></a></h5>
+<p>For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests.</p>
+<p>Cross Origin Resource Sharing is a way to explicitly alter the same-origin policy for a given application or API. In order to allow for applications to make cross domain requests through Apache Knox, we need to configure the CORS filter of the WebAppSec provider.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4402,7 +4397,7 @@ APACHE_HOME/bin/apachectl -k stop
   <tbody>
     <tr>
       <td>cors.enabled </td>
-      <td>This parameter enables the CORS capabilities</td>
+      <td>Setting this parameter to true allows cross origin requests. The default of false prevents cross origin requests.</td>
       <td>false</td>
     </tr>
     <tr>
@@ -4520,7 +4515,7 @@ APACHE_HOME/bin/apachectl -k stop
   </tbody>
 </table>
 <h5><a id="HTTP+Strict+Transport+Security">HTTP Strict Transport Security</a> <a href="#HTTP+Strict+Transport+Security"><img src="markbook-section-link.png"/></a></h5>
-<p>Web applications can be protected by protocol downgrade attacks and cookie hijacking by adding HTTP Strict Transport Security response header.</p>
+<p>HTTP Strict Transport Security (HSTS) is a web security policy mechanism which helps to protect websites against protocol downgrade attacks and cookie hijacking. It allows web servers to declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections and never via the insecure HTTP protocol.</p>
 <h6><a id="Config">Config</a> <a href="#Config"><img src="markbook-section-link.png"/></a></h6>
 <table>
   <thead>
@@ -4852,15 +4847,6 @@ APACHE_HOME/bin/apachectl -k stop
 <p>To enable SSO for REST API access through the Knox gateway, you need to protect your Hadoop services with the SSOCookieProvider configured to use the KnoxSSO service (sandbox.xml topology):</p>
 <pre><code>&lt;gateway&gt;
   &lt;provider&gt;
-    &lt;role&gt;webappsec&lt;/role&gt;
-    &lt;name&gt;WebAppSec&lt;/name&gt;
-    &lt;enabled&gt;true&lt;/enabled&gt;
-    &lt;param&gt;
-      &lt;name&gt;cors.enabled&lt;/name&gt;
-      &lt;value&gt;true&lt;/value&gt;
-    &lt;/param&gt;
-  &lt;/provider&gt;
-  &lt;provider&gt;
     &lt;role&gt;federation&lt;/role&gt;
     &lt;name&gt;SSOCookieProvider&lt;/name&gt;
     &lt;enabled&gt;true&lt;/enabled&gt;

Modified: knox/site/index.html
URL: http://svn.apache.org/viewvc/knox/site/index.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/index.html (original)
+++ knox/site/index.html Fri Mar 13 15:01:22 2020
@@ -1,13 +1,13 @@
 <!DOCTYPE html>
 <!--
- | Generated by Apache Maven Doxia Site Renderer 1.8.1 from src/site/markdown/index.md at 2020-03-12
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 from src/site/markdown/index.md at 2020-03-13
  | Rendered using Apache Maven Fluido Skin 1.7
 -->
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20200312" />
+    <meta name="Date-Revision-yyyymmdd" content="20200313" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Knox Gateway &#x2013; Announcing Apache Knox 1.3.0!</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.7.min.css" />
@@ -40,7 +40,7 @@
 
       <div id="breadcrumbs">
         <ul class="breadcrumb">
-        <li id="publishDate">Last Published: 2020-03-12</li>
+        <li id="publishDate">Last Published: 2020-03-13</li>
         </ul>
       </div>
       <div class="row-fluid">

Modified: knox/site/issue-management.html
URL: http://svn.apache.org/viewvc/knox/site/issue-management.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/issue-management.html (original)
+++ knox/site/issue-management.html Fri Mar 13 15:01:22 2020
@@ -1,13 +1,13 @@
 <!DOCTYPE html>
 <!--
- | Generated by Apache Maven Doxia Site Renderer 1.8.1 from org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0:issue-management at 2020-03-12
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 from org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0:issue-management at 2020-03-13
  | Rendered using Apache Maven Fluido Skin 1.7
 -->
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20200312" />
+    <meta name="Date-Revision-yyyymmdd" content="20200313" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Knox Gateway &#x2013; Issue Management</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.7.min.css" />
@@ -40,7 +40,7 @@
 
       <div id="breadcrumbs">
         <ul class="breadcrumb">
-        <li id="publishDate">Last Published: 2020-03-12</li>
+        <li id="publishDate">Last Published: 2020-03-13</li>
         </ul>
       </div>
       <div class="row-fluid">

Modified: knox/site/licenses.html
URL: http://svn.apache.org/viewvc/knox/site/licenses.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/licenses.html (original)
+++ knox/site/licenses.html Fri Mar 13 15:01:22 2020
@@ -1,13 +1,13 @@
 <!DOCTYPE html>
 <!--
- | Generated by Apache Maven Doxia Site Renderer 1.8.1 from org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0:licenses at 2020-03-12
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 from org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0:licenses at 2020-03-13
  | Rendered using Apache Maven Fluido Skin 1.7
 -->
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20200312" />
+    <meta name="Date-Revision-yyyymmdd" content="20200313" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Knox Gateway &#x2013; Project Licenses</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.7.min.css" />
@@ -40,7 +40,7 @@
 
       <div id="breadcrumbs">
         <ul class="breadcrumb">
-        <li id="publishDate">Last Published: 2020-03-12</li>
+        <li id="publishDate">Last Published: 2020-03-13</li>
         </ul>
       </div>
       <div class="row-fluid">

Modified: knox/site/mailing-lists.html
URL: http://svn.apache.org/viewvc/knox/site/mailing-lists.html?rev=1875157&r1=1875156&r2=1875157&view=diff
==============================================================================
--- knox/site/mailing-lists.html (original)
+++ knox/site/mailing-lists.html Fri Mar 13 15:01:22 2020
@@ -1,13 +1,13 @@
 <!DOCTYPE html>
 <!--
- | Generated by Apache Maven Doxia Site Renderer 1.8.1 from org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0:mailing-lists at 2020-03-12
+ | Generated by Apache Maven Doxia Site Renderer 1.8.1 from org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0:mailing-lists at 2020-03-13
  | Rendered using Apache Maven Fluido Skin 1.7
 -->
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="Date-Revision-yyyymmdd" content="20200312" />
+    <meta name="Date-Revision-yyyymmdd" content="20200313" />
     <meta http-equiv="Content-Language" content="en" />
     <title>Knox Gateway &#x2013; Project Mailing Lists</title>
     <link rel="stylesheet" href="./css/apache-maven-fluido-1.7.min.css" />
@@ -40,7 +40,7 @@
 
       <div id="breadcrumbs">
         <ul class="breadcrumb">
-        <li id="publishDate">Last Published: 2020-03-12</li>
+        <li id="publishDate">Last Published: 2020-03-13</li>
         </ul>
       </div>
       <div class="row-fluid">