Remote terminal sessions lock up and daemons flake out
nkinkade at ub.edu.bz
Thu Oct 7 08:54:54 PDT 2004
On Thu, Oct 07, 2004 at 09:31:26AM -0500, Danny Howard wrote:
> This last problem has started to happen only lately.
> I log in from my FreeBSD workstation, on an xterm, via ssh to a remote
> machine running 4.9. I often sudo -s. I'm using tcsh. Lately, I leave
> the session for a while and come back and the session is locked up. I
> can't exit or anything. I kill the xterm and restart. I reconnect to
> the box, and there's no hanging session ... any advice?
> Possibly related. This is a Plesk box. The httpd and spamd frequently
> fail. I've got a duct-tape script in cron to check these demons and
> restart. Pointers on where I might look, perhaps in sysctl, to pinpoint
> what might be happening?
Could this be an idle-timeout on the server and the connection isn't
closing properly? Perhaps you are behind some sort of stateful firewall
that drops dynamic rules after a certain period of idle time?
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