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From "Karsten Spang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1736) TGT is forwarded to server when using Kerberos authentication
Date Mon, 06 Jun 2016 14:31:21 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15316556#comment-15316556

Karsten Spang commented on HTTPCLIENT-1736:

I have reviewed the changes, and the results apparently does what I want.

> TGT is forwarded to server when using Kerberos authentication
> -------------------------------------------------------------
>                 Key: HTTPCLIENT-1736
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1736
>             Project: HttpComponents HttpClient
>          Issue Type: Improvement
>          Components: HttpClient
>    Affects Versions: 4.5.2
>            Reporter: Karsten Spang
>            Assignee: Oleg Kalnichevski
>             Fix For: 4.5.3
> In {{GGSSchemeBase.generateGSSToken}}, line 133 in version 4.5.2:
> {code:java}
>         gssContext.requestCredDeleg(true);
> {code}
> For Kerberos, this means that the client will forward the to TGT to the server. First,
I don't see why you would want that, as that is an unnecessary security risk. Second, I have
a problem with my {{SecurityManager}} (Oracle's in-database Aurora security manager), so I
am unable to create a permission for this that works.
> I suggest to change this to
> {code:java}
>         gssContext.requestCredDeleg(false);
> {code}
> There might be situations where a client application would actually want to pass the
TGT, but it should be possible to control this.

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