Hi. At the first time the netfilter modules are loaded this message is displayed: ASSERT ip_conntrack_core.c:630 &ip_conntrack_lock not readlocked I´m using debian woody with compiled kernel 2.4.28 ( or 2.4.27 ) and iptables 1.2.11compiled from the source (occur with 1.2.6a originally packed with debian). The rules works ok, I´m only need to eliminate this message, so the system start clean of errors. Thanks, Marcos