Maybe you should use tcpdump for testing purposes instead of using iptables. Just my opinion. Regards, Edvin -----Original Message----- From: netfilter-bounces@xxxxxxxxxxxxxxxxxxx [mailto:netfilter-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of M. A. Imam Sent: Mittwoch, 16. März 2005 16:56 To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: Packets Counting Hi, How can i count the number of packets on an interface evry 2 or 5 seconds. and i want to count only specific packets like only arriving packets from port 5001 Any ideas... Muhammad