passive checks via smtp? or similar

[Dan Stromberg]

If your firewall allows through ssh connections, you might be able to
use check_by_ssh.

Alternatively, you might be able to set up passive monitoring so that
the mail server, or other host behind the firewall, pushes monitoring
results out to your main nagios server.

On Tue, 2005-01-11 at 20:45 +0000, Matt Johnson wrote:
> Hi all,
> 
> I'm trying to monitor a host the other side of a very
> restrictive firewall.
> 
> The host *can* send mail via smtp to the nagios server
> (my side). Is there a simple (and not very secure) way
> of having nagios expect regular emails from a host, or
> it registers that host as unknown or down?
> 
> I know this has flaws, but it *seems* to be all I
> have..?
> 
> Thanks for any advice to think round this one.
> 
> --
> Matt Johnson
> 
> 
> 	
> 	
> 		
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