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 From:  Alex Neuman van der Hans <alex at nkpanama dot com>
 Cc:  "'Monowall Email List'" <m0n0wall at lists dot m0n0 dot ch>
 Subject:  Re: [m0n0wall] DNS problem on 1.21
 Date:  Wed, 12 Apr 2006 15:42:20 -0500
Aaron Cherman wrote:
> Quoting: "Karsten Thomsen" <KT at Tinesvej dot dk>
>
>> If I run nslookup on one of my clients it tells me that my m0n0wall 
>> is the
>> DNS, so that is good, and if I try to ping www.google.com I also get
>> response, but if I open my browser and type in www.google.com I don't 
>> get in
>> to the web site.
>>
>> What is it that I'm missing ?
>>
>> Regards
>> Karsten
>
> Are you by chance using VLANs?  I had a number of problems with this 
> from VLAN interfaces.  I could ping all site but only web browse to 
> some, and different machines acted differently.  I had to lower the 
> MTU on the VLAN interfaces ( I went to 1400 to be safe).
>
> If you are not using VLANs it looks like you've tried all of the 
> things I would look for.
>
>
I'd lower the MTU across the board just the same. Windows just plain 
works better when you do, at least in my own empirical and unscientific 
tests.
> Aaron
>
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