nrpe won't connect - contradictory messages in log

[André PELLÉ]

Le mardi 28 juillet 2009 19:57:25, Whit Blauvelt a écrit :
> Hi,
>
> This is with nrpe-2.12, built from tar:
>
> On the remote host:
>
> daemon.log:Jul 28 13:22:42 system2 nrpe[7460]: Starting up daemon
> daemon.log:Jul 28 13:22:42 system2 nrpe[7460]: Listening for connections on
> port 5666 daemon.log:Jul 28 13:22:42 system2 nrpe[7460]: Allowing
> connections from: 127.0.0.1, 192.168.250.1 daemon.log:Jul 28 13:22:52
> system2 nrpe[7470]: Host 192.168.250.1 is not allowed to talk to us!
> daemon.log:Jul 28 13:27:46 system2 nrpe[8013]: Host 192.168.250.1 is not
> allowed to talk to us!
>
> On the main nagios system:
>
> root at system1:/opt/nagios/plugins# ./check_nrpe -H 192.168.250.2 -c
> check_swap CHECK_NRPE: Error - Could not complete SSL handshake.
>
> root at system1:/opt/nagios/plugins# ./check_nrpe -n -H 192.168.250.2 -c
> check_swap CHECK_NRPE: Error receiving data from daemon.

Have you tryed to disable the ssl on the client side?
If not, try and see what kind of message you get.

>
> I'm see other discussions here that suggest there could have been a
> compile-time problem with the SSL libraries. I'll check that. Even if turns
> out so, should that effect connecting without SSL, as in the last example?
> These two boxes are connected by direct cable, no need to encrypt. And
> they're exchanging other traffic constantly on this link, so it's known
> good.
>
> What's with the contradiction between "Allowing connections from:
> 127.0.0.1, 192.168.250.1" and "Host 192.168.250.1 is not allowed to talk to
> us!"? It seems on the surface like that second message is wrong - that host
> 192.168.250.1 obviously _is_ allowed to "talk to us," but the transaction's
> failing on another level. Is there a bug here in the choice of error
> message to present?
>
> Thanks,
> Whit
>
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-- 
André PELLÉ | Consultant

apelle at merethis.com
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