Work the other way around, block everything, and only allow traffic from valid IP's.If you are providing public IP's you may want to block port 25 for all customers so they can't setup open relays.
----- Original Message ----- From: "Pascal Losier" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, November 14, 2003 2:23 PM Subject: [smartBridges] [smartbridges] Suggested firewall rules. > I recently got fiber, which is a public IP. > > What are the rules you guys suggesting me to enter in the firewall ??? > > I run mikrotik, I also run PPPOE. > > Do I just masquerade & leave it like this ??? > I will started hooking custumers & would like it to be a little safer. > > Which port are you guys sugesting me to block & why ??? > > > >
