No not really, phising is generally e-mail based; you'd want to investigate using postfix/rbl/rhsbl blocking tools. Justin. -----Original Message----- From: netfilter-bounces@xxxxxxxxxxxxxxxxxxx [mailto:netfilter-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Winanjaya - PBXSoftwares Sent: Thursday, October 20, 2005 3:27 AM To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: How to block phishing Dear The Expert, Is it possible to block / deny phishing with iptables? .. please advise Regards Luc