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https://issues.apache.org/jira/browse/DISPATCH-2259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17434358#comment-17434358
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ASF GitHub Bot commented on DISPATCH-2259:
------------------------------------------

grs closed pull request #1393:
URL: https://github.com/apache/qpid-dispatch/pull/1393


   


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> server_name set by Dispatch Router contains illegal characters
> --------------------------------------------------------------
>
>                 Key: DISPATCH-2259
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-2259
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Router Node
>    Affects Versions: 1.14.0, 1.15.0, 1.16.0, 1.17.0, 1.16.1
>            Reporter: Kai Hudalla
>            Priority: Major
>
> When the dispatch router is configured with an Auth Server Plugin that should 
> be accessed via a TLS connection, then the router includes the TLS Server 
> Name Indication extension ([https://datatracker.ietf.org/doc/html/rfc6066]) 
> in its TLS ServerHello message but sets the host_name to a value that is not 
> a domain name as mandated by the RFC. Instead, it sets the host_name to a 
> combination of the server name and the port configured for the Auth Server 
> Plugin. So, for Auth Server Plugin configuration
> ["authServicePlugin",
> { "name": "My Auth Server", "host": "my-auth-server.host}
> ",
>  "port": 5671,
>  "sslProfile": "external"
>  }]
> the host_name set in the server_name extension is
> my-auth-server.host:5671
> which is not a valid domain name.
> The TLS implementation that comes with Java 17 will fail the TLS handshake 
> with the dispatch router due to an illegal character in the host_name.
> I believe that this problem may also arise with other outbound connections 
> that the router creates.
> FMPOV the port suffix simply needs to be removed.



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