[sr #107696] GnuTLS 2.10 client cannot negotiate TLS 1.2 to GnuTLS 2.8 server

Michael Cronenworth INVALID.NOREPLY at gnu.org
Tue May 24 17:02:56 CEST 2011


                 Summary: GnuTLS 2.10 client cannot negotiate TLS 1.2 to
GnuTLS 2.8 server
                 Project: GnuTLS
            Submitted by: mooninite
            Submitted on: Tue 24 May 2011 03:02:55 PM GMT
                Category: Core library
                Priority: 5 - Normal
                Severity: 3 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
        Operating System: GNU/Linux



Copied from Red Hat Bugzilla:

Description of problem:
Fedora 14 server - GnuTLS 2.8.6
Fedora 15 client - GnuTLS 2.10.5

The server is initialized with the following priorities:

When the client attempts to connect the attempt fails with "handshake failed"
as the reason. When I change the server to be:
the connection succeeds. TLS 1.0 also works.

Version-Release number of selected component (if applicable):

How reproducible: Always

Steps to Reproduce:
1. Setup GnuTLS 2.8.6 server with the priorities above.
2. Setup GnuTLS 2.10.5 client with the same priorities.
3. Attempt to connect to the server.

Actual results:
Handshake failure.

Expected results:
Connection succeeds.

Additional info:
If I connect to a 2.10.5 server with the 2.10.5 client, it succeeds. It seems
there is some incompatibility between 2.8 and 2.10.


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