[119999] in North American Network Operators' Group
Re: random DNS, was news from Google
daemon@ATHENA.MIT.EDU (John Levine)
Mon Dec 7 17:30:04 2009
Date: 7 Dec 2009 22:29:12 -0000
From: John Levine <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <4B1D4279.8030307@csuohio.edu>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>Will be interesting to see if ISPs respond to a large scale thing like
>this taking hold by blocking UDP/TCP 53 like many now do with tcp/25
>(albeit for other reasons). Therein lies the problem with some of the
>"net neturality" arguments .. there's a big difference between "doing it
>because it causes a problem for others", and "doing it because it robs
>me of revenue opportunities".
I do hear of ISPs blocking requests to random offsite DNS servers.
For most consumer PCs, that's more likely to be a zombie doing DNS
hijacking than anything legitimate. If they happen also to block
8.8.8.8 that's just an incidental side benefit.
R's,
John