Tag firewall

The other day I got a bug report about check_ntpmon, which was reporting UNKNOWN status back to Nagios even though everything seemed to be working fine. A bit of debugging revealed that it was receiving the message on standard error: ntpq: write...

I've been working today on replacing a client's Snapgear SG580, a Linux-based firewall appliance which is no longer supported, and is no longer coping with the load being placed on it.  We've been casually searching for an appropriate successor...