>> What I want to do is to write my very own program using the iptables >> library to query the interface information >> of various machines (queues, lost packets, total packets etc). I'm also not sure why you're even thinking about the 'iptables' library - it has to do with firewall management. Sounds like what you're wanting to query is basic interface statistics. I would suggest looking at programs like ip (iproute / iproute2) and/or netlink libraries (or worst case the obsolete ifconfig). - Maciej -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html