On Nov 5, 2010, at 9:24 PM, Curtis Maurand wrote: > I have a DNS server behind a pfsense box. The dns forwarder is enabled (I've > tried disabling it.) > > Without the forwarder, dns queries from behind the pfsense box don't resolve, > not ever. > With the forwarder dns queries resolve and the active directory works fine as > the windows servers forward all their queries to the pfsense box and they are > handled. > > My problem is that there is an unrelated dns server behind the pfsense > machine that needs to answer to the outside world. I set up a virtual ip > address (tried it all three ways) and set up a NAT rule to forward TCP/UDP on > port 53 DNS to the server inside. TCP queries work, but UDP queries time out > against the virtual address, but work fine on actual address. Have I run > into something. > > WanIP forwarded to inside server works both tcp and udp. > Virtual IP forwarded to inside server works tcp > Virtual IP forwarded to inside server fails udp. > > Most dns queries are udp except for dnssec, dkim and spf.
Corresponding firewall rules? my internal machine is running DNS as well, and I allowed it to query the outside world, and works just fine through my pfsense box. You could also tcpdump on the pflog0 interface and see what is going on and what is getting blocked.. > > Any ideas? > > I'm running a 1.2.3-RELEASE built nearly a year ago. > > Thanks, > Curtis > -- /"\ Best regards, | re...@freebsd.org \ / Remko Lodder | X http://www.evilcoder.org/ | Quis custodiet ipsos custodes / \ ASCII Ribbon Campaign | Against HTML Mail and News --------------------------------------------------------------------- To unsubscribe, e-mail: support-unsubscr...@pfsense.com For additional commands, e-mail: support-h...@pfsense.com Commercial support available - https://portal.pfsense.org
