bind nagios server to a certain IP

[Greg Cope]

On Mon, 2006-07-17 at 17:56 +0200, Giles Coochey wrote:
>  >Thanks Giles.
> >
> >The host already runs linux heartbeat, and is in an 
> >active-passive ha cluster running bind, ldap and dhcpd.  
> >I wanted to add nagios to the mix.  When setting this 
> >up it is usual to give each app a VIP address, and 
> >configure that on the active host.
> >
> >As I have configured nrpe clients to only allow checks 
> >from one IP - the nrpe checks needs to come from that 
> >IP address.
> 
> Well the short answer is nagios will run it's checks from the Interface
> which is most suited to be the route to that host.

Yes - that's what I realised.

So my only choice is to either remove the allow host constraint on nrpe,
or to add more IP's to it.  I suppose either is roughly the same amount
of work. 

> Under Linux, with iptables patches, it *may* be possible to mark packets
> coming from a particular process and have them processed in their own ip
> routing table. This is a complicated set up however, and I get the
> impression that you're looking for an easier solution.

Done that before - but I do not want to start playing with firewall
rules just for this.

Greg



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