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Re: [hybi] I-D Action:draft-ietf-hybi-thewebsocketprotocol-01.txt

Dave Cridland <dave@cridland.net> Thu, 02 September 2010 20:35 UTC

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Date: Thu, 02 Sep 2010 21:35:37 +0100
From: Dave Cridland <dave@cridland.net>
To: Hector Santos <hsantos@isdg.net>, "Roy T. Fielding" <fielding@gbiv.com>, Server-Initiated HTTP <hybi@ietf.org>, Willy Tarreau <w@1wt.eu>
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Subject: Re: [hybi] I-D Action:draft-ietf-hybi-thewebsocketprotocol-01.txt
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On Thu Sep  2 08:03:53 2010, Hector Santos wrote:
> For example, one way to authenticate the WS client is to use IP  
> such as it done with POP3-B4-SMTP methods where a POP3 host records  
> an IP for another SMTP host to open a time window for SMTP IP-based  
> allow relay.

That's been long discredited in email circles, and is generally not  
supported, in favour of SMTP AUTH (and preferably a dedicated  
submission service on 587 with SASL and TLS).

The reason it's been discredited is actually because it's in a  
general class of error referred to as "Time of check to time of use".

Dave.
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