Any particular reason you want default output drop? That is a lot of overhead unless the box is only a dns server than your train of thought is ok. Also you need iptables -A INPUT -p udp -m udp --dport 53 -j ACCEPT you could specify as well the interface like so -A INPUT -i eth0 -p udp -m udp --dport 53 -j ACCEPT Ted On Thu, 2003-10-30 at 06:50, Knight, Steve wrote: > Hi there --- > > Once I've got the normal stuff in place on a test standalone box [default > drop, accept related + established on tcp, loopback enabled] > > iptables -A OUTPUT -p udp -s $LOCALIP -d $DNS1 --dport 53 -j ACCEPT > > Shouldn't this be enough to allow standard dns resolution to take place? > According to Ziegler, it should? > > Or am I a complete plum. > > Any pointers as to my plumness gratefully received. Thanks :) > > steve > > > > ----------------------------------------------------------------------- > Information in this email may be privileged, confidential and is > intended exclusively for the addressee. The views expressed may > not be official policy, but the personal views of the originator. > If you have received it in error, please notify the sender by return > e-mail and delete it from your system. You should not reproduce, > distribute, store, retransmit, use or disclose its contents to anyone. > > Please note we reserve the right to monitor all e-mail > communication through our internal and external networks. > ----------------------------------------------------------------------- -- Ted Kaczmarek<tedkaz@xxxxxxxxxxxxx> 18 Packanack Lake Road Wayne, NJ, 07470 973-633-6892 AIM-tedhurrah Yahoo-oasysted