check if host is alive with check_ssh

[Joost Saanen]

hi there,

Anyone have an solution to monitor several servers behind a firewall?
The only port which nagios may go through is the SSH port (port 22).
At the moment I use the command 'check_ssh' to check if a host is
alive, this doesn't work pretty good, because sometimes I get an host
down alert:

***** Nagios  *********************************

Notification Type: PROBLEM
Host: testserver
State: DOWN
Address: 95.135.65.229
Info: CRITICAL - Plugin timed out after 10 seconds

Date/Time: Thu Mar 31 09:24:42 CEST 2005
************************************************

When I go to check the server there is no problem (the host is up).
Also I never get any host up alert email. Anyone have a solution or
know what goed wrong here? Thanks in advance ..

regards,
Joost


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