dns uses udp not tcp... you opened the tcp port 53... you need to upen udp pot 53 instead.
-matt On Thu, 25 Sep 2003, Andrew Jacobs wrote: > I'm trying to set up a simple DNS server, but somehow I can't figure > out what's going on with my IPTables--they seem to be stopping DNS > traffic from passing through. If I stop my IPTables, the DNS works > just fine. Also if I query locally, it works as well. Here's the > command I've entered: > > iptables -A INPUT -p tcp -i eth0 --destination-port 53 -j ACCEPT > > Shouldn't that be enough? Doing a tcpdump reveals a prompt "udp port > domain unreachable [tos 0xc0] " > > -Andrew > > > ____________________ > BYU Unix Users Group > http://uug.byu.edu/ > ___________________________________________________________________ > List Info: http://uug.byu.edu/cgi-bin/mailman/listinfo/uug-list > ____________________ BYU Unix Users Group http://uug.byu.edu/ ___________________________________________________________________ List Info: http://uug.byu.edu/cgi-bin/mailman/listinfo/uug-list
