iptables debugging « \1

Has it ever happened to you that iptables was apparently not working as expected, and, in an effort to find out what's going on, you littered your ruleset with logging rules all over the place, or some other awkward kludge? Now, it turns out that there's a much more convenient and cleaner way to find out which chains a packet traverses. This is based on using ip{,6}tables' raw table, with the TRAC