Dealing with filtered 6to4 clients

Martin List-Petersen martin at airwire.ie
Tue Oct 27 13:26:18 CET 2009


Geert Hendrickx wrote:
> On Tue, Oct 27, 2009 at 12:10:35PM +0000, Martin List-Petersen wrote:
>> Martin List-Petersen wrote:
>>> I wouldn't encourage that, but if your eyeball networks are that
>>> paranoid, that's a way, how they can be in control. They could then
>>> choose not to provide AAAA records to 6to4- and teredo- clients.
>>>
>>> Anyhow .. that's a hack and not to be encouraged, really.
>> Arghh .. me not thinking today. Obviously they can't know, what the
>> client has, but they could whitelist known good deployments then.
> 
> 
> Or, on your side, you could not serve AAAA records to (the DNS chaches of)
> the problematic network(s)?

That is the better approach alright.

Kind regards,
Martin List-Petersen
-- 
Airwire - Ag Nascadh Pobail an Iarthair
http://www.airwire.ie
Phone: 091-865 968



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