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Re: [DNSOP] Review of draft-livingood-dns-redirect-00

Tony Finch <dot@dotat.at> Tue, 14 July 2009 13:46 UTC

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Date: Tue, 14 Jul 2009 14:25:33 +0100
From: Tony Finch <dot@dotat.at>
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To: Andrew Sullivan <ajs@shinkuro.com>
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Subject: Re: [DNSOP] Review of draft-livingood-dns-redirect-00
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On Mon, 13 Jul 2009, Andrew Sullivan wrote:
>
> Section 7.5 seems to suggest that there are cases where it is
> acceptable to intercept DNS queries and redirect them silently.  These
> cases are typified as being "reasonable", "justifiable", &c.  The
> problem with any of this sort of thing is that it is the ISP who gets
> to decide what is "reasonable".  I presume that those ISPs who are
> capturing and blocking or, worse, redirecting all DNS traffic think it
> _is_ reasonable and justifiable.  Since what is reasonable and
> justifiable is right at the core of disagreement, reasonableness and
> justifiability can't be the criteria.  I suggest that discussion be
> removed: there just is no reason to capture the DNS traffic.  If you
> want to turn someone off, _turn them off_.

Captive portals come to mind, e.g. to authenticate to a wireless access
point, or to quarantine a customer's virus-infested computer.

Tony.
-- 
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