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Open Resolver Problems

>On Apr 01, 2013, at 11:55 , "Milt Aitken" <milt at net2atlanta.com> wrote:
>>Most of our DSL customers have modem/routers that resolve DNS 
>>And most of those have no configuration option to stop it.
>>So, we took the unfortunate step of ACL blocking DNS requests to & from 
>>the DSL network unless the requests are to our DNS servers.
>> Suboptimal, but it stopped the DNS amplification attacks.

Wow.  Glad I'm not a customer of yours.

* patrick at ianai.net (Patrick W. Gilmore) [Mon 01 Apr 2013, 18:04 CEST]:
>I was going to suggest exactly this.
>Don't most broadband networks have a line in their AUP about running 

Huh?  No.  Thankfully.  Not all of us are mindless consumers.

	-- Niels.