Socket timeout after 10 seconds from tcp check

[Raymond Page]

I'm using Nagios to monitor a mail system and I frequently get what 
seems to be false positives from nagios whenever a tcp connect to the 
pop server occurs.  The error message I get is "Socket timeout after 
10 seconds".  I'm curious if this might be a problem with the machine 
nagios is running on, or it is truly a problem with the pop server 
not responding.  If it helps, I'm also checking IMAP on the same 
machines, and those rarely give me any notices to socket timeouts and 
they are accurate when they do occur.  So there is a significant 
discrepancy between error messages from the pop and imap services 
even though they exist on the same machines.  This isn't a single 
machine but a cluster I'm checking, and it happens to be a problem 
that all of the pop checks have not just one machine.

I'm running Nagios under Gentoo Linux on a Pentium 3 866Mhz.

I have a 5 second interval, running a normal check interval of 30 
seconds, and a retry check interval of 20 seconds.  Max retry 
attempts of 6.

If anyone has an idea where or why I'd be getting false positives in 
this situation, I'd really appreciate anything to go off of.

--
Raymond Page



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