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Re: SSP - policy location compatibility with DK

2005-07-28 10:58:48

The _domainkey part is needed to address an attack vector IIRC (although the specifics of the attack escape me at the moment).

--
Arvel


----- Original Message ----- From: "Hector Santos" <hsantos(_at_)santronics(_dot_)com>
To: "Arvel Hathcock" <arvel(_at_)altn(_dot_)com>; "IETF MASS WG" 
<ietf-mailsig(_at_)imc(_dot_)org>
Sent: Thursday, July 28, 2005 12:10 PM
Subject: Re: SSP - policy location compatibility with DK




----- Original Message -----
From: "Arvel Hathcock" <arvel(_at_)altn(_dot_)com>


I can completely agree that the policy be located where the current SSP
draft states - _policy._domainkey.<domain>.  However, I would like to
propose (no surprise) that there be a "informative implementation note" or
whatever the appropriate vehicle is to say something like this:

"In the event that an SSP record can not be located at
_policy._domainkey.<domain> a verifier SHOULD look for the SSP record at
_domainkey.<domain>."

I agree.  One location.

Why not just <domain>?

--
Hector Santos, Santronics Software, Inc.
http://www.santronics.com









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