Re: Fwd: New Version Notification for draft-cdn-loop-prevention-00.txt from Poul-Henning Kamp on 2018-07-02 (ietf-http-wg@w3.org from July to September 2018)

From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Mon, 02 Jul 2018 10:03:13 +0000
To: Amos Jeffries <squid3@treenet.co.nz>
cc: ietf-http-wg@w3.org
Message-ID: <30959.1530525793@critter.freebsd.dk>

--------
In message <b2d51724-1cb0-6e5a-1ab0-17f86f5cdca7@treenet.co.nz>, Amos Jeffries 
writes:

>Max-Forwards goes almost there. Would just need to revise this part of
>RFC 7231 section 5.1.2 to make all recipients SHOULD decrement instead:

Well 4.3.7 prevents CDN's from adding it:

   A proxy MUST NOT generate a Max-Forwards header
   field while forwarding a request unless that request was received
   with a Max-Forwards field.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

Received on Monday, 2 July 2018 10:06:54 UTC