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Archive of posts tagged iptables

GRE bridging, IPsec and NFQUEUE

Playing around with tunneling.

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