[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: gnutls-cli fails to handshake with Exchange server that uses DES-CBC
From: |
Ted Zlatanov |
Subject: |
Re: gnutls-cli fails to handshake with Exchange server that uses DES-CBC3-SHA cipher |
Date: |
Fri, 30 Mar 2012 08:02:27 -0400 |
User-agent: |
Gnus/5.130004 (Ma Gnus v0.4) Emacs/24.0.94 (gnu/linux) |
On Thu, 29 Mar 2012 20:22:31 -0400 Thomas Fitzsimmons <address@hidden> wrote:
TF> Emacs allows overriding the default GnuTLS priority string using a
TF> variable (gnutls-algorithm-priority) so I set it to "performance" to
TF> work around this server-side issue. In cases where Emacs would
TF> otherwise fail to connect to a server because of a weak ciphersuite
TF> maybe the UI should warn the user and ask them whether or not to
TF> proceed. Anyway, thanks for analyzing the logs.
I don't think currently Emacs can distinguish this case from a normal
negotiation failure. The best we can do is to generally suggest a
weaker priority string, which seems to be a bad idea. Is there a way to
determine that this case has occurred?
Ted