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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1275) AllowAllHostnameVerifier does not prevent SSL handshake verification errors
Date Wed, 12 Dec 2012 20:53:22 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13530316#comment-13530316

Oleg Kalnichevski commented on HTTPCLIENT-1275:

> If the purpose of AllowAllHostnameVerifier is not to prevent verification of certs, then
this ticket can be closed. 

It is not. HostnameVerifier is an additional security check that applies to trusted certificates
only. It is not meant as a substitute for trust verification.

> AllowAllHostnameVerifier does not prevent SSL handshake verification errors
> ---------------------------------------------------------------------------
>                 Key: HTTPCLIENT-1275
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1275
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpConn
>    Affects Versions: 4.2.2
>            Reporter: Karl Wright
>            Assignee: Karl Wright
>             Fix For: 4.2.3
> In debugging unverified SSL connections for the ManifoldCF RSS connector, I discovered
that even with AllowAllHostnameVerifier(), which supposedly shuts down SSL hostname verification,
the SSLSession method getPeerCertificates() can cause an exception anyway, before the overridden
method is called, because peer authentication has not yet occurred.
> See CONNECTORS-579 for details, and for the exact trace.
> I'm also looking for suggestions as to how to properly fix this.  One possibility would
be to catch the exception and pass null for the peer certs to the verify method.  Since that
loses the exception, though, it might be better to change the method signature of the overridden
verify() method and include an Exception object, which could get rethrown if needed.

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