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 From:  "Chris Buechler" <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] DNS request timeout
 Date:  Fri, 23 Jun 2006 16:37:42 -0400
>
> I  forget  to say the problem is obvious in computer  classroom.
> Using  M0N0  translate  100  computers in  computer  classroom, they
> will  boot  at the  same time. Then students  surf  Internet.
> About  10%-15% computer  has  DNS problem.This bother me and
> students.Maybe too many computers  request  DNS  service at the same
> time.I will try  set  DNS  to  M0N0 Lan IP.
>

This really doesn't sound like a m0n0wall issue at all.  It sounds
like your ISP's DNS server is flaky.  If you have some other internal
DNS servers you can use (not m0n0wall, since it only caches responses
it receives from your ISP's DNS servers), try those and see what
happens.


> Can  I modify  kernel parameters(sysctl)  or  NAT rules or Firewall
> rules or  recompile Kernel to reduce  this  problem?
>

no.

-Chris