I wanted to look at the increase in
ntp traffic now that I've joined the
pool.ntp.org ranks. Unfortunately
munin didn't have a watch-port-x-and-draw-something-plugin. So I wrote my own based upon the
The plugin monitors both v6, v4, tcp and udp and plots them together, as send and received. Just symlink the port number to the plugin:
ip_port_123 -> ip_port_
For it to work, you do need some
iptables rules, so yes, this plugin only works in Linux. See the munin plugin for the documentation.