[Nagiosplug-devel] [ nagiosplug-Bugs-3612567 ] check_udp plugin can't check port state

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Bugs item #3612567, was opened at 2013-05-03 06:08
Message generated for change (Tracker Item Submitted) made by dkorzhevin
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: dkorzhevin (dkorzhevin)
Assigned to: Nobody/Anonymous (nobody)
Summary: check_udp plugin can't check port state

Initial Comment:
Hi,

I use icinga 1.8.4 with nagios-plugins 1.4.16 on Debian 6.0.7 x86_64. I try to use check_udp plugin to check remote server udp port 53 (DNS) state:

./check_udp -H 192.81.219.105 -p 53 -s "" -e "" -t 15

A always receive error: "CRITICAL - Socket timeout after 15 seconds"

But, port is open, and i know that. Even netcat show this (i use openbsd-netcat 1.105):

nc -vzu 192.81.219.105 53
Connection to 192.81.219.105 53 port [udp/domain] succeeded!

Seems, this is problem of check_udp plugin?

I will provide any info to investigate this issue

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=397597&aid=3612567&group_id=29880