SSH oddness with 8.0-STABLE

Norman Maurer norman.maurer at googlemail.com
Tue Dec 1 12:51:11 UTC 2009


I think this is the affect of this:


20080801:
  OpenSSH has been upgraded to 5.1p1.

  For many years, FreeBSD's version of OpenSSH preferred DSA
  over RSA for host and user authentication keys.  With this
  upgrade, we've switched to the vendor's default of RSA over
  DSA.  This may cause upgraded clients to warn about unknown
  host keys even for previously known hosts.  Users should
  follow the usual procedure for verifying host keys before
  accepting the RSA key.

  This can be circumvented by setting the "HostKeyAlgorithms"
  option to "ssh-dss,ssh-rsa" in ~/.ssh/config or on the ssh
  command line.

  Please note that the sequence of keys offered for
  authentication has been changed as well.  You may want to
  specify IdentityFile in a different order to revert this
  behavior.


Bye,
Norman
2009/12/1 Dimitry Andric <dimitry at andric.com>:
> On 2009-12-01 12:55, Jeremy Chadwick wrote:
>> This would indicate the OP was running a 7.2-STABLE system which was
>> built prior to 2008/08/01 (with some variance; sometimes the commit
>> times do not match the timestamp in src/UPDATING), or a system which had
>> not had mergemaster run on it to populate the changes into /etc/ssh.
>
> The stable/7 branch still uses "ssh-dss,ssh-rsa" by default.  In the
> stable/8 branch, this was changed in revision 181111, Fri Aug 1 02:48:36
> 2008 UTC:
>
> http://svn.freebsd.org/viewvc/base/stable/8/crypto/openssh/myproposal.h?r1=181097&r2=181111
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