Am Mon, 2003-12-08 um 20.19 schrieb Jeffrin: > hello all, > > iptables -A INPUT -sport 80 -j ACCEPT > > shows error ... > > msservices:~# iptables -A INPUT --sport 80 -j ACCEPT > iptables v1.2.9: Unknown arg `--sport' You need to specify the protocol: -p tcp or -p udp Cheers, Ralf -- Ralf Spenneberg RHCE, RHCX Book: VPN mit Linux Book: Intrusion Detection für Linux Server http://www.spenneberg.com IPsec-Howto http://www.ipsec-howto.org Honeynet Project Mirror: http://honeynet.spenneberg.org