2008/9/10 Ron Bonica <[EMAIL PROTECTED]>:
>
>>
>>> First layer of defense: BCP 38
>>>
>>> Second layer of defense (because there are those who cannot or will not
>>> implement the first layer): Restrict recursive service by default
>>
>> If you mean 'restrict software configuration defaults', I'm OK with
>> that.
>>
>> If the draft is amended to only recommend that vendors should alter
>> their _default_ software configuration, then I will not object to the
>> draft.
>>
>>> Third layer of defense (because there are those who cannot or will not
>>> implement the first or second layers): Reactively filter abusive
>>> recursors (as Dean suggested).
>>
>>
>
> Folks,
>
> Based on the response that we have seen from the WG so far, I don't see
> any reason to amend the draft. BCP 38 is already published.
>
> The questions before the WG are:
>
> - is BCP38 enough to mitigate the attack vectors described in
> draft-ietf-dnsop-reflectors-are-evil-06

this is like asking: "Will safe driving prevent car accidents?"  Exact
answer to your question is "yes", but reality is that BCP38 is not going
to be universally deployed soon, so my answer with reality touch is NO.

> - is filtering after the attack has begun good enough

No.  And I don't understand why the burden of open resolvers should
be put on shoulders of attacked DNS operators.

> If the answer to both of these questions is "no", the document can go
> forward as is.

Ondrej.
-- 
 Ondřej Surý
 technický ředitel/Chief Technical Officer
 -----------------------------------------
 CZ.NIC, z.s.p.o. -- .cz domain registry
 Americká 23,120 00 Praha 2,Czech Republic
 mailto:[EMAIL PROTECTED] http://nic.cz/
 sip:[EMAIL PROTECTED] tel:+420.222745110
 mob:+420.739013699 fax:+420.222745112
 -----------------------------------------
_______________________________________________
DNSOP mailing list
DNSOP@ietf.org
https://www.ietf.org/mailman/listinfo/dnsop

Reply via email to