# iptables -t mangle -A POSTROUTING -m mark --mark ! 0 -j ACCEPT iptables v1.3.3: Bad MARK value `!' I'm puzzled, what's wrong with this syntax? kernel is 2.6.15.7-ubuntu1 Thanks Francesco _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc