[jira] [Commented] (SOLR-13798) SSL: Adding Enabling/Disabling client's hostname verification config

["Cao Manh Dat (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-13798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16939432#comment-16939432 ] 

Cao Manh Dat commented on SOLR-13798:
-------------------------------------

Attached the patch for fixing this problem. In summary, verify client's hostname is disabled unless {{solr.jetty.ssl.verifyClientHostName}} system variable is set to HTTPS. 

The reason I set disabled as default is {{NeedClientAuth}} is also disabled as default.

> SSL: Adding Enabling/Disabling client's hostname verification config
> --------------------------------------------------------------------
>
>                 Key: SOLR-13798
>                 URL: https://issues.apache.org/jira/browse/SOLR-13798
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: 8.2
>            Reporter: Cao Manh Dat
>            Assignee: Cao Manh Dat
>            Priority: Major
>         Attachments: SOLR-13709.patch
>
>
> The problem for this after upgrading to Jetty 9.4.19 (SOLR-13541). {{endpointIdentificationAlgorithm}} changed from null → HTTPS. As a result of this client's hostname (identity) is always get verified on connecting Solr. 
> This change improved the security level of Solr, since it requires 2 ways identity verifications (client verify server's identity and vice versa). It leads to a problem when only certificate verification is enough (client's hostname is not known ahead) for users.
> We should introduce a flag in {{solr.in.sh}} to disable client's hostname verification when needed then.
> More about this at : 
> * https://tools.ietf.org/html/rfc2818#section-3
> * https://github.com/eclipse/jetty.project/issues/3454
> * https://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf)



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