using check_udp

Joe Beck JBeck at urbn.com
Wed Feb 9 13:41:32 CET 2011


8 bucks says it depends on the app or service running on port 514
So when you connect to that what msg like GET, SHOW, HEAD kind of deal will that app understand & what would its reply be?


From: Julian_Grunnell at tdwh.co.uk [mailto:Julian_Grunnell at tdwh.co.uk]
Sent: Wednesday, February 09, 2011 7:23 AM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] using check_udp


Hi - has anyone successfully got check_udp working? I'm trying to use check_UDP (nagios-plugins 1.4.5) 1.80 but it keeps asking for a send/expect string and I've no idea what this is meant to be?

The target server is running syslog and the check so far has just been failing with this:

/opt/tools/libexec/check_udp -H 192.168.75.131 -p 514
With UDP checks, a send/expect string must be specified.


So I guess my question is simply what should the following be set to:

--send=STRING
--expect=STRING


Thanks - Julian.

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Julian Grunnell
Unix Analyst
TD Waterhouse International
Leeds, West Yorkshire

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