Probs with Solaris 2.6

Dave Edwards
2000-06-22T00:46:03Z

Hi,

I use OpenSSH (thanks folks) to administer a mix of boxes at work
and have seen some quite scary problems.

I set up an ssh connection from the host to a central admin
machine from a perl script running on the host.  The script
brings up an ssh connection to the central admin machine and sets
up some reverse port redirection for administration (telnet for
instance) and some forward redirection for offsite real time
logging.

This is working fine except a Solaris 2.6 box (Ultra2) has started
spontaneously rebooting.  I put this down to hardware until today,
when I was working on the machine through the redireted telnet port
and accidently closed the ssh session from the host machine.

This dropped my session of course, big deal I thought, but the
host dropped to single user mode and stopped accepting
connections.  This leads me to suspect that events on a
redirected session inside an ssh session, can effect the health
of the box the client is run on..

Another problem I've seen is that we also redirct a localhost port
on the hosts through the ssh session, to syslog-ng on the central
host.  Whenever we HUP syslog on the central host, it drops the ssh
session.  I figure this is a problem with the way syslog-ng
closes TCP connections but it may also be a pointer to the
rebooting problem.

Anyone got any ideas?

The box is running Solaris 2.6 and OpenSSH client version  1.2.2
protocol version 1.5.

I'll upgrade it today to 2.1.1 today from the portable source to
see if that reduces problems.

ciao
dave
--
Dave Edwards
davo at chunga.apana.org.au || davo at sa.apana.org.au
Adelaide, South Australia
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