ssh troubles with 6.0-STABLE

Philippe Pegon Philippe.Pegon at crc.u-strasbg.fr
Tue Nov 29 20:34:03 GMT 2005


Odhiambo Washington wrote:
> * On 29/11/05 00:21 +0300, Wash wrote:
> 
>>I use shellguard as my ssh client on my Windows box. However I see
>>a problem with 6.0-RELEASE, in a pattern whose solution I can't find
>>even in google.
>>
>>On my machine which I have just updated from 5.4-STABLE -> 6.0-STABLE,
>>when I try to connect with shellguard, I get this:
>>
>><cut>
>>Exception.
>>no matching comp found. Client zlib Server: none,zlib at openssh.com
>></cut>
>>
>>This happens to even a box installed with clean 6.0-RELEASE.
>>
>>I am stumped about this!
> 
> 
> I hate this, but I seem to have found the answer:
> 
> Setting "Compression yes" in /etc/ssh/sshd_config seems to be the
> solution.

probably an interoperability problem with the new version of openssh and 
the new "Compression delayed" option.

in /usr/src/crypto/openssh/ChangeLog :

20050726
  - (dtucker) [configure.ac] Update zlib warning message too, pointed out by
    tim at .
  - (djm) OpenBSD CVS Sync
    - otto at cvs.openbsd.org 2005/07/19 15:32:26
      [auth-passwd.c]
      auth_usercheck(3) can return NULL, so check for that. Report from
      mpech at . ok markus@
    - markus at cvs.openbsd.org 2005/07/25 11:59:40
      [kex.c kex.h myproposal.h packet.c packet.h servconf.c session.c]
      [sshconnect2.c sshd.c sshd_config sshd_config.5]
      add a new compression method that delays compression until the user
      has been authenticated successfully and set compression to 'delayed'
      for sshd.
      this breaks older openssh clients (< 3.5) if they insist on
      compression, so you have to re-enable compression in sshd_config.
      ok djm@


> 
> 
> 
> -Wash
> 
> http://www.netmeister.org/news/learn2quote.html
> 
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