Hi, does anybody know a short solution how to check if a special squence is inside a packet ( like the string of sobig ) ? This should be done with iptables - guessing that SuSE-Firewall isn't able to do that. Mit freundlichen Grüßen / Best regards Bruno Leonhardt LPI Level 1 Certified Watchguard Certified System Professional CLP Domino R5 Systemadministrator