Dear all, My mail server received so many virus mails from ip 202.145.10.147 and after i look at gateway (linux) and i using iptraf i see so many traffic from 202.145.10.147. After that i try to block all traffic from 202.145.10.147 with command : #iptables -A INPUT -s 202.145.10.146 -j DROP but i still receiveall traffic from 202.145.10.146...... Can anybody help me ........... that ip send virus in to mail server more then 20 mails per minute....... Regards, David Kandou Help me ... iam so confused FYI : Iam using RedHat 9 eth0 --> ippublic eth1 --> local ip mail server --> local ip