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 From:  Robert Goodyear <me at jrob dot net>
 To:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Are TCP DNS queries possible?
 Date:  Tue, 13 Sep 2005 13:54:05 -0700
On Sep 13, 2005, at 12:09 PM, Neil A. Hillard wrote:

> Hi,
>> I need m0n0 to respond to TCP DNS queries. Does anyone know if  
>> this  is
>> possible or if there's a workaround to permit this functionality?
> Just checked on mine and it does respond to TCP queries (with the
> default LAN can access anything rule):
> [root]# host -T www.google.com
> Using domain server:
> Name:
> Address:
> Aliases:
> www.google.com is an alias for www.l.google.com.
> www.l.google.com has address
> www.l.google.com has address
> Confirmed this with a packet capture, too.  This is on 1.2b9.

I can nslookup just fine; it's the MS SMTP service that's won't talk  
UDP for me. Or so it seems. If on these W2K boxes I use an upstream  
DNS, it works fine. Switching to m0n0 DNS breaks only the SMTP  
lookups; all other services are fine.