On 03Feb2008 17:15, Luc MAIGNAN <luc.maignan@xxxxxxxxxxxx> wrote: > I've setup a DNS server (Bind/Named of course) to resolve several web > servers I host. How can I restrict on my DNS server queries that only apply > to my domains names and not any ? (in others words, how to disable my > server to be an open-relay dns server ?) You need to turn off the "recursion" setting. From a DNS server I maintain, in the "options" section at the top I have: allow-recursion { none; }; You can be more flexible there, for example allowing recursion for your internal LAN clients but not the outer world. Cheers, -- Cameron Simpson <cs@xxxxxxxxxx> DoD#743 http://www.cskk.ezoshosting.com/cs/ Patent laws: made for the benefit of little inventors, opposed by little inventors, pushed by big corporations. Something is quite wrong. - http://slashdot.org/~marcello_dl