Subject: ipf rules
To: None <>
From: Andrei Zaitsau <>
List: netbsd-users
Date: 03/14/2001 22:04:59
Hello Everyone,
Is there is a way to filter packets on source port / destination port with
Can anyone give me some examples?
How do I block napster ? Gamespy? IRC?
for examples I have 3 machines
Gateway is
1st machine:
2nd machine:
3rd machine:

for example if I want to block Napster(6699) & IRC(7000) for machine 2 and
leave other services as HTTP and FTP enabled. How do I write the rule
Can someone give me example so I would understand.?