Le mer 23/10/2002 =E0 20:36, Juliano Dapper a =E9crit : > [root@teste /]# lsmod > Module Size Used by Not tainted > ipt_MASQUERADE 1184 0 (autoclean) > iptable_filter 1728 0 (unused) > iptable_nat 14420 0 [ipt_MASQUERADE] > ip_conntrack 22188 1 [ipt_MASQUERADE iptable_nat] > ip_tables 10528 5 [ipt_MASQUERADE iptable_filter iptabl= e_nat] >=20 > [root@teste /]# iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE > iptables: Invalid argument >=20 > Linux teste.dualcon.com.br 2.4.19 #1 Qua Out 23 11:54:48 BRST 2002 i586= unknown As someone pointed out before, is your iptables build according to that kernel ? I mean, do you use iptables 1.2.7a ? --=20 C=E9dric Blancher <blancher@cartel-securite.fr> Consultant en s=E9curit=E9 des syst=E8mes et r=E9seaux - Cartel S=E9curi= t=E9 T=E9l: +33 (0)1 44 06 97 87 - Fax: +33 (0)1 44 06 97 99 PGP KeyID:157E98EE FingerPrint:FA62226DA9E72FA8AECAA240008B480E157E98EE