sudo iptables -A OUTPUT -p tcp --dport 80 -m limit --limit 1/second -j LOG
sudo iptables-save -c
# Generated by iptables-save v1.4.12 on Wed May 30 20:47:10 2012
*filter
:INPUT ACCEPT [21:18649]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [23:5064]
[5:1322] -A OUTPUT -p tcp -m tcp --dport 80 -m limit --limit 1/sec -j LOG
COMMIT
# Completed on Wed May 30 20:47:10 2012
uname -a
Linux nil-desktop 3.4.0-2-generic-pae #6-Ubuntu SMP Thu May 17 03:34:56 UTC 2012 i686 i686 i386 GNU/Linux
всё работает, логи пишет. ядро ставил из ppa xorg-edgers