Playing around with tunneling.
Archive of posts tagged iptables
Policy routing, multihoming and all that jazz
It's simple, but every time I need to look it up
Bidirectional full-cone NAT (bleah)
This shouldn't be done, but sometimes you don't get to choose.
Munin traffic accounting with iptables
Get graphs for specific protocol, ports, or IP address
iptables debugging
Using the raw table with the TRACE target