Hi Nicolas, Those are packet and byte counters. But I think they are ignored while = doing a restore. These lines are setting default policies for the default chains.=20 [0:0] means packet and byte counters are zeros. Hope this helps, -Yogini -----Original Message----- From: Nicolas Cadilhac [mailto:cadilhac@cae.com] Sent: Thursday, October 10, 2002 10:14 AM To: 'netfilter@lists.netfilter.org' Subject: iptables-save file syntax Hi, I wonder what are those numbers on these lines : *nat :PREROUTING ACCEPT [77070:3730176] :POSTROUTING ACCEPT [2859:369253] :OUTPUT ACCEPT [6476:595842] sometimes it's 0:0 but since they are really big numbers they are not = ports. Also are these lines policies ? Thanks