dkg,
I've already reached out for the EDNS Option Code, and it has been
approved by the ExpertReview and we are awaiting IANA.
tim
On 11/5/15 8:49 AM, Daniel Kahn Gillmor wrote:
On Tue 2015-11-03 21:54:27 +0900, Tim Wicinski wrote:
During the meeting on Monday, it was obvious the Working Group wanted to
make this an official EDNS option. We reached out to the author and
while he is traveling for an extended period of time, he is happy to
work on edits (with a small delay built in, but nothing this impatient
chair finds too onerous).
This starts a Call for Adoption for draft-mayrhofer-edns0-padding
The draft is available here:
https://datatracker.ietf.org/doc/draft-mayrhofer-edns0-padding/
Please review this draft to see if you think it is suitable for adoption
by DPRIVE, and comments to the list, clearly stating your view.
I support adoption of this draft. I have reviewed it and think it is
sensible.
I have also implemented it for queries in the getdns client library, and
it worked fine in communication with servers listening over TLS, making
otherwise-distinguishable queries indistinguishable to a network
observer:
Table 0. Ethernet Frame sizes for packet containing DNS query
Transport | query to | query to
used | example.com | www.example.com
--------------------------+--------------+-------------------
cleartext UDP | 82 octets | 86 octets
cleartext TCP | 108 octets | 112 octets
TLS over TCP | 137 octets | 141 octets
(padded to 512) TLS over TCP | 609 octets | 609 octets
I used a value from the local/experimental range of DNS options (i chose
65461), but i'd like to move to using a standard EDNS(0) OPT code.
The registry here:
https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml#dns-parameters-11
suggests that the registration procedure is "Expert Review", and points
to Olafur, who i'm Cc'ing here.
Can we ask for early codepoint assignment? The registry has a lot of
space, and the draft is simple and easy to implement.
Regards,
--dkg
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