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Network Security Secure-Shell
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Re: cant connect, ssh hangs after SSH2_MSG_KEX_DH_GEX_GROUP

Subject: Re: cant connect, ssh hangs after SSH2_MSG_KEX_DH_GEX_GROUP
Date: Thu, 01 Mar 2007 09:19:48 +1100
mw-u2@gmx.de wrote:
Hi,

starting a while ago I can no longer ssh into my box anymore. I have
tried anything I can think of and have no clue anymore. Needless to
say that I realy need ssh to access my work from remote places.

Problem: When I ssh -vvv to my server the connection hangs after debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
[...]

Have you looked at this:

http://www.snailbook.com/faq/mtu-mismatch.auto.html

[quote]
Short Answer
You probably have an MTU/fragmentation problem. For each network interface on both client and server set the MTU to 576, eg ifconfig eth0 mtu 576. If the problem goes away, read on.
[/quote]


--
Darren Tucker (dtucker at zip.com.au)
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    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.

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