Interesting Change In ssh Behavior

[Tim Daneliuk]

John Webster wrote:
> 
> --On Tuesday, June 19, 2007 15:15:25 -0500 Tim Daneliuk <tundra at tundraware.com> wrote:
> 
>> Bill Moran wrote:
>>> In response to Tim Daneliuk <tundra at tundraware.com>:
>>>
>>>> Bill Campbell wrote:
>>>>> On Tue, Jun 19, 2007, Tim Daneliuk wrote:
>>>>>> I just recently update one 6.2 and one 4.11 machine to the latest stable
>>>>>> sources and built world.  Now, for some odd reason, I cannot tunnel X
>>>>>> via ssh from remote clients.  Did the defaults for sshd change lately
>>>>>> or is there some other culprit?
>>>>> First make sure that the sshd_config file on the server machine
>>>>> has ``X11Forwarding yes'' set.
>>>>>
>>>> Nope, that's not it. I did set it manually and restarted sshd (even though I believe
>>>> this is the default).  Still no go...
>>> Are you using the -Y option to ssh when you connect?
>>>
>> I've tried both -X and -Y - neither work.  This *used* to work, so I am trying to
>> determine if this is a "me" problem or if some default changed somewhere in the
>> source tree that may be causing me grief...
> 
> 
> What does ssh'ing with verbose mode show?
> 
> 

I was just doing this as your email arrived.  This looks suspicious (!):

             Remote: No xauth program; cannot forward with spoofing


This is on an old 4.11 system updated to latest stable.  xauth does indeed exist in:

         /usr/X11R6/bin/xauth


Very strange ...