Dealing with filtered 6to4 clients

[Erik Kline]

2009/10/27 Martin List-Petersen <martin at airwire.ie>:
> 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.

Until the IPv6 Internet gets less sucky it's the pretty much the only
approach we've been able to come up with.