Re: [CentOS] Iptables not blocking UDP port 53

Sean Carolan wrote: I'm attempting to block access to port 53 from internet hosts for an internal server. This device is behind a gateway router so all traffic appears to come from source ip 10.100.1.1. Here are my (non-working) iptables rules: If it is behind a gateway router, how is port

Re: [CentOS] Iptables not blocking UDP port 53

On Fri, Jul 11, 2008 at 7:03 PM, Johnny Hughes [EMAIL PROTECTED] wrote: Sean Carolan wrote: I'm attempting to block access to port 53 from internet hosts for an internal server. This device is behind a gateway router so all traffic appears to come from source ip 10.100.1.1. Here are my

[CentOS] Iptables not blocking UDP port 53

I'm attempting to block access to port 53 from internet hosts for an internal server. This device is behind a gateway router so all traffic appears to come from source ip 10.100.1.1. Here are my (non-working) iptables rules: -A RH-Firewall-1-INPUT -s 10.100.1.1 -m tcp -p tcp --dport 53 -j