Re: SSH login takes very long time...sometimes

James Tanis wrote:

>For whatever reason, I have had a similar problem which was solved by
>entering the machines that you are logging in from into the hosts
>file. I'm guessing it attempts a reverse lookup and your (as well as
>my) dns/hostname does not match its reverse lookup entry.
>
>On 12/23/05, Michael A. Koerber <mak_at_ll.mit.edu> wrote:
>  
>
>>All,
>>
>>  I have three machines that have had 5.4 and 6.0 installed.  Two of the three machines have very
>>well behaved "ssh".  However, the machine (laptop) named OBOE does not.
>>
>>  Specifically "ssh oboe" will (most of the time) hang for around one minute before asking for a
>>prompt.  However, if I'm logged into OBOE and "ssh BSD" (one of the other machines) a password is
>>requested within a couple seconds.  (I said most of the time, since on occasion I can reboot OBOE
>>and ssh will work just fine...hmmm.)
>>
>>  I have looked through the /var/log files for clues and skimmed "man ssh" for time out related
>>stuff, but no luck.
>>
>>  Where should I start looking for clues?
>>
>>  All machines have had clean installs from "newfs'd" drive under both 5.4 and 6.0 so I'm sure no
>>left over configs are getting propagated.
>>--
>>---------------------
>>Dr Michael A. Koerber
>>x3250
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>>
>>    
>>
>
>
>--
>James Tanis
>jtanis_at_pycoder.org
>http://pycoder.org
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>  
>
Try disabling sendmail. I don't remember exactly how I came up with this 
solution but I remember sendmail was the problem. This might work for 
you as well.