From: "Chris Bagnall" <m0n0wall at minotaur dot cc>

> I'm conscious that given the number of m0n0walls I've now deployed to both
> clients and friends, I'd really like to have some method of verifying
> they're all running as they should (and it's a good way of monitoring the
> ISPs for reliability at the same time).

> Before I go and write a script to ping boxes every few minutes, does 
> anyone
> have 1) a better way of doing it, and/or 2) any scripts they'd feel
> comfortable sharing?

I have used The Angel before.  http://www.csd.uwo.ca/staff/magi/doc/angel/ 
And of course MRTG.

                        Lee