nsca / xinetd "Failed to contact identity serv er"
Tedman Eng
teng at dataway.com
Mon Oct 17 22:23:07 CEST 2005
Try removing the "USERID" from logging options in xinetd.conf (or
/etc/xinetd.d/<file>) for your nsca/nrpe.
> -----Original Message-----
> From: David Gullett [mailto:dgullett at symmetrixtech.com]
> Sent: Sunday, October 16, 2005 4:02 PM
> To: nagios-users at lists.sourceforge.net
> Subject: RE: [Nagios-users] nsca / xinetd "Failed to contact identity
> server"
>
>
> Has anyone else experienced this problem? I am getting
> "Failed to contact
> identity server" every few days and have to restart xinetd.
>
> Thanks,
>
> David Gullett
> Symmetrix Technologies
>
> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net
> [mailto:nagios-users-admin at lists.sourceforge.net] On Behalf
> Of Michael J
> McCafferty
> Sent: Tuesday, May 24, 2005 5:13 PM
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] nsca / xinetd "Failed to contact
> identity server"
>
> I built a distributed Nagios setup for a customer. It
> monitors about 200
> hosts. The central Nagios server monitors several dozen hosts
> actively, and
> the
> distributed Nagios servers monitor the rest. The distributed
> Nagios servers
> are
> due to network architecture, not for capacity. Almost all
> checks are done
> every
> minute. The distributed Nagios servers send their check
> results back to the
> central Nagios host via NSCA, using xinetd to listen for
> inbound connections
> from the remote Nagios hosts.
> With the exception of having to increase the connections
> per second and
> the
> number of instances for xinetd some time ago (upped it to 60
> connections), I
> have had no problems with the setup... until today.
> Today I updated the kernel and rebooted. When the system
> came back up the
> central Nagios server said there where hosts down on one of the remote
> networks
> which are checked by the remote Nagios servers. Upon further
> investigation I
> realized that they had been "down" (actually it was new FW
> rule that made
> them
> appear to be down cuz they can't be pinged anymore) for some
> time (6 days),
> but
> were just now being reported down by Nagios. The exact moment
> of the last
> successful receipt of data from the remote Nagios servers was
> the exact
> moment
> the following message began appearing in /var/log/messages:
>
>
> May 16 10:48:46 nagioshost xinetd[21405]: Failed to contact
> identity server
> a
> t 172.16.0.1: timeout
> May 16 10:48:48 nagioshost xinetd[21406]: Failed to contact
> identity server
> at
> 192.168.1.2: timeout
> May 16 10:48:49 nagioshost xinetd[21407]: Failed to contact
> identity server
> at
> 10.0.0.1: timeout
>
>
> These messages appear every few seconds from the time of the
> last successful
> receipt of data from the distributed Nagios servers (6days
> ago) until the
> reboot
> today. The IP addresses in the messages are the IP addresses
> of the remote
> Nagios servers. No FW rules have changed to cause this. I see
> no outbound
> port
> 113 (identd) traffic at the main Nagios server. I am sure
> this is a xinetd
> issue...
>
> My questions are:
>
> 1) What does this error message mean.
> 2) What broke ?
> 3) How do I keep it from breaking again ?
>
> In the meantime I set up a check_log check to see if the
> message appears
> in
> the messages file again.
>
>
> Thanks,
> Mike
>
>
> --
> ************************************************************
> Michael J. McCafferty
> Principal, Security Engineer
> M5 Hosting
> 858-576-7325 Voice
> http://www.m5hosting.com
> ************************************************************
>
> ----------------------------------------------------------------
> This message was sent using IMP, the Internet Messaging Program.
>
>
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::: Messages without supporting info will risk being sent to /dev/null
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and more. http://solutions.newsforge.com/ibmarch.tmpl
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::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
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