Re: IP-based reputation services vs. DNSBL (long)

Tony Finch <dot@dotat.at> Tue, 11 November 2008 17:15 UTC

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Date: Tue, 11 Nov 2008 17:15:16 +0000
From: Tony Finch <dot@dotat.at>
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To: Keith Moore <moore@network-heretics.com>
Subject: Re: IP-based reputation services vs. DNSBL (long)
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On Sun, 9 Nov 2008, Keith Moore wrote:
>
> It is worth repeating that just because the notion of a reputation
> service has value, and such services are widely used, does not imply
> that using IP addresses as identifiers or the DNS protocol as a means of
> transmitting reputation are technically sound.  There is reason to doubt
> both of these assumptions, and there is no evidence that these design
> questions have been given due consideration and resolved - as our
> process would normally require.

Could you give us a reference to an explanation of why the DNS might not
be a sound choice of protocol for reputation services?

This protocol can use domain names as lookup keys as well as IP addresses.

Tony.
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