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Posted to cvs@httpd.apache.org by dg...@hyperreal.org on 1997/11/12 22:12:00 UTC
cvs commit: apachen/htdocs/manual/vhosts ip-based.html name-based.html
dgaudet 97/11/12 13:11:59
Modified: htdocs/manual/vhosts ip-based.html name-based.html
Log:
Language tweaks. Expand on the common reason why you would want to run
multiple daemons.
Revision Changes Path
1.3 +19 -10 apachen/htdocs/manual/vhosts/ip-based.html
Index: ip-based.html
===================================================================
RCS file: /export/home/cvs/apachen/htdocs/manual/vhosts/ip-based.html,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- ip-based.html 1997/11/12 20:54:22 1.2
+++ ip-based.html 1997/11/12 21:11:58 1.3
@@ -36,13 +36,22 @@
<p>
Use multiple daemons when:
<ul>
-<li>The different virtual hosts need very different httpd configurations, such
- as different values for: <A HREF="../mod/core.html#servertype">ServerType</A>,
- <A HREF="../mod/core.html#user">User</A>,
- <A HREF="../mod/core.html#group">Group</A>,
- <A HREF="../mod/mod_mime.html#typesconfig">TypesConfig</A> or
- <A HREF="../mod/core.html#serverroot">ServerRoot</A>.
-<li>The machine does not process a very high request rate.
+<li>There are security partitioning issues, such as company1 does not want
+ anyone at company2 to be able to read their data except via the web.
+ In this case you would need two daemons, each running with different
+ <A HREF="../mod/core.html#user">User</A>,
+ <A HREF="../mod/core.html#group">Group</A>,
+ <A HREF="../mod/core.html#listen">Listen</A>, and
+ <A HREF="../mod/core.html#serverroot">ServerRoot</A> settings.
+<li>You can afford the memory and
+ <a href="../misc/descriptors.html">file descriptor requirements</a> of
+ listening to every IP alias on the machine. It's only possible to
+ <A HREF="../mod/core.html#listen">Listen</A>
+ to the "wildcard" address, or to specific addresses. So if you have
+ a need to listen to a specific address for whatever reason, then you
+ will need to listen to all specific addresses. (Although one httpd
+ could listen to N-1 of the addresses, and another could listen to
+ the remaining address.)
</ul>
Use a single daemon when:
<ul>
@@ -61,7 +70,7 @@
Listen www.smallco.com:80
</pre>
It is recommended that you use an IP address instead of a hostname
-(see <A HREF="../dns-caveats.html">DNS page</A>).
+(see <A HREF="../dns-caveats.html">DNS caveats</A>).
<h2>Setting up a single daemon with virtual hosts</h2>
For this case, a single httpd will service requests for the main server
@@ -95,7 +104,7 @@
</pre>
It is recommended that you use an IP address instead of a hostname
-(see <A HREF="../dns-caveats.html">DNS page</A>).
+(see <A HREF="../dns-caveats.html">DNS caveats</A>).
<P>
@@ -114,7 +123,7 @@
<A HREF="../mod/core.html#namevirtualhost">NameVirtualHost</A>.
<P>
<A HREF="../mod/core.html#user">User</A> and
-<A HREF="../mod/core.html#group">Group</A> maybe used inside a VirtualHost
+<A HREF="../mod/core.html#group">Group</A> may be used inside a VirtualHost
directive if the <A HREF="../suexec.html">suEXEC wrapper</A> is used.
<P>
1.2 +2 -2 apachen/htdocs/manual/vhosts/name-based.html
Index: name-based.html
===================================================================
RCS file: /export/home/cvs/apachen/htdocs/manual/vhosts/name-based.html,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- name-based.html 1997/11/11 23:47:21 1.1
+++ name-based.html 1997/11/12 21:11:59 1.2
@@ -21,7 +21,7 @@
<h2>Name-based vs. IP-based virtual hosts</h2>
-<p>While the approach with IP-based virtual hosts works still very well,
+<p>While the approach with IP-based virtual hosts works very well,
it is not the most elegant solution, because a dedicated IP address
is needed for every virtual host and it is hard to implement on some
machines. The <code>HTTP/1.1</code> protocol contains a method for the
@@ -55,7 +55,7 @@
<p>The notable difference between IP-based and name-based virtual host
configuration is the
<A HREF="../mod/core.html#namevirtualhost"><code>NameVirtualHost</code></A>
-directive which specifies any IP address that should be used as a target for
+directive which specifies an IP address that should be used as a target for
name-based virtual hosts.
<p>Of course, any additional directives can (and should) be placed