Very slow SSh since upgrading machines to RELENG_4_8

[Gavin Atkinson]

> -----Original Message-----
> From: owner-freebsd-stable at freebsd.org 
> [mailto:owner-freebsd-stable at freebsd.org] On Behalf Of Pete French
> Sent: 22 September 2003 15:54
> 
> but if I try and ssh between two machines in Jersey then ssh pauses
for
> a considerable length of time before letting me in. By "considerable"
> I mean over a minute.
> 
> Preseumably the far end is trying to do something and then timing out,
> but the question is *what* is it doing and how do I fix it ? Also
> why did this only change when I upgraded ?

This sounds suspiciously like DNS timing out. I seem to remember this is
due to the fact the default config of sshd now enables privilege
seperation. sshd chroots into /var/empty and therefore can't access
/etc/hosts, /etc/nsswitch.conf, /etc/resolv.conf etc.

See, for example,
http://www.freebsd.org/cgi/getmsg.cgi?fetch=509623+513499+/usr/local/www
/db/text/2003/freebsd-stable/20030323.freebsd-stable

Gavin