Re: [DNSOP] Fwd: New Version Notification for draft-bellis-dnsop-xpf-02.txt

Bob Harold <rharolde@umich.edu> Thu, 13 July 2017 17:03 UTC

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From: Bob Harold <rharolde@umich.edu>
Date: Thu, 13 Jul 2017 13:03:51 -0400
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To: Ray Bellis <ray@isc.org>
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Subject: Re: [DNSOP] Fwd: New Version Notification for draft-bellis-dnsop-xpf-02.txt
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On Mon, Jul 3, 2017 at 9:31 AM, Ray Bellis <ray@isc.org> wrote:

> Following feedback and discussion on this draft I've updated it to use a
> META RR rather than an EDNS option.
>
> This simplifies questions about adding an OPT RR if one wasn't already
> in the proxied packet.  It also avoids (some) issues with TSIG / SIG(0).
>
> This RR now contains the entire 5-tuple of src/dest address and port
> (and protocol) and not just the source IP address - the rationale for
> this is explained in the draft.
>
> As I won't be present for DNSOP in Prague this is due to be presented by
> Peter van Dijk, one of my two new co-authors.
>
> Ray
>
> -------- Forwarded Message --------
>
> A new version of I-D, draft-bellis-dnsop-xpf-02.txt
> has been successfully submitted by Ray Bellis and posted to the
> IETF repository.
>
> Name:           draft-bellis-dnsop-xpf
> Revision:       02
> Title:          DNS X-Proxied-For
> Document date:  2017-07-03
> Group:          Individual Submission
> Pages:          8
> URL:
> https://www.ietf.org/internet-drafts/draft-bellis-dnsop-xpf-02.txt
> Status:         https://datatracker.ietf.org/doc/draft-bellis-dnsop-xpf/
> Htmlized:       https://tools.ietf.org/html/draft-bellis-dnsop-xpf-02
> Htmlized:
> https://datatracker.ietf.org/doc/html/draft-bellis-dnsop-xpf-02
> Diff:           https://www.ietf.org/rfcdiff?
> url2=draft-bellis-dnsop-xpf-02
>
> Abstract:
>    It is becoming more commonplace to install front end proxy devices in
>    front of DNS servers to provide (for example) load balancing or to
>    perform transport layer conversions.
>
>    This document defines a meta resource record that allows a DNS server
>    to receive information about the client's original transport protocol
>    parameters when supplied by trusted proxies.
>
>

3.4.  Presentation Format
 Since this is a "meta" RR that cannot appear in master format zone files
no presentation format is defined.

Could you please define a Presentation Format so that "dig" and similar
tools use a consistent format?

-- 
Bob Harold