SYN attacks from nagios

rob.moss at uk.bnpparibas.com rob.moss at uk.bnpparibas.com
Thu Sep 14 18:07:28 CEST 2006


nagios-users-bounces at lists.sourceforge.net wrote on 14/09/2006 17:00:29:

> Good morning,
>
> I have 2 nagios servers.  One is running 1.2 and the other is running
> 2.5.  Both are running in parallel while I migrate to the 2.5 machine.
>  Our content switch is detecting that the 2.5 machine is SYN attacking
> hosts.  Both servers have very similar monitoring sets and similar
> configurations.  I have gone through the config and nothing stands
> out.  Obviously, the 2.5 machine is pounding the servers more heavily
> but I can't figure out why.  Below is my config.
>

Good evening!

<config snipped>

What checks are you running against the server that is detecting the SYN
attacks?

The config you posted is the general nagios config, we would need to see
the services.cfg portions for the affected host(s)

Cheers


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