This is something that's being repeated asked. Use the patch-o-matic "-m string --string" function to block Kazaas protocol. Check the archives... Thanks, ____________________________________________ George Vieira Systems Manager georgev@xxxxxxxxxxxxxxxxxxxxxx Citadel Computer Systems Pty Ltd http://www.citadelcomputer.com.au Phone : +61 2 9955 2644 HelpDesk: +61 2 9955 2698 -----Original Message----- From: Wratmoko hadi Handoko SW [mailto:wra_eng@xxxxxxxxxxxxxxxx] Sent: Tuesday, June 10, 2003 2:52 PM To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: Kazza I like block kazza in my network with iptables what should i do ? thanks for advanced