[TriLUG] Re: OpenSSH Security Advisory (adv.iss)

Tom 'spot' Callaway tcallawa at redhat.com
Wed Jun 26 15:11:01 EDT 2002


On Wed, 2002-06-26 at 15:19, Chris Merrill wrote:
> Brian Daniels wrote:
> >>        Disable ChallengeResponseAuthentication in sshd_config.
> > 
> > Note that the 'short-term solution' is an _easy_ fix.  Just edit 
> > sshd_config and restart sshd.  Do it now, then watch for your vendor to 
> > issue an update if you're uncomfortable with compiling OpenSSH yourself.
> 
> Just to make sure I've got this right, my config file says:
> 
> #ChallengeResponseAuthentication yes
> 
> but it doesn't say what default value is...and it's commented out.
> I don't think I've changed this value...so I assume this is the
> way it appears in the config at installation (RH 7.2).
> 
> I think I should change this to:
> 
> ChallengeResponseAuthentication no
> 
> Correct?
> Was the default value for this setting 'yes'?

No, the default value is no. ChallengeResponseAuthentication is only
used for things like s/key. You'd know if you turned it on.

~spot
---
Tom "spot" Callaway <tcallawa at redhat.com> Red Hat Sales Engineer
Sair Linux and GNU Certified Administrator (LCA)
Red Hat Certified Engineer (RHCE)
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