On 09/26/2011 07:45 AM, Jennifer Botten wrote: > I am blocking UDP and TCP from that IP. I also have an OUTPUT rule however > mine has the -o eth0 as the -i eth0 does not work. Yes, I had it wrong. For the OUTPUT chain you use the -o ethX. Perhaps you have an ALLOW rule for udp or some other criteria BEFORE the actual DROP? How do you determine that it is not working? Also, please follow the common rules when posting :) 1) don't use html 2) quote properly (look at how I am replying) Regards, Jorge