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Status: Verified (1)

RFC 6281, "Understanding Apple's Back to My Mac (BTMM) Service", June 2011

Source of RFC: IETF - NON WORKING GROUP
Area Assignment: tsv

Errata ID: 5676
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Stuart Cheshire
Date Reported: 2019-03-27
Verifier Name: Mirja Kühlewind
Date Verified: 2020-03-04

Section 5 says: 

Following our example for alice, it queries the SRV RR for _dns-
update-tls._udp.alice.members.me.com.  Then, the updates are sent to
the dynamic DNS server returned in the Target field of query response.

...

So alice's host issues a query for
_dns-llq-tls._udp.alice.members.me.com
and obtains the server that provides LLQ service.

It should say:

Following our example for alice, it queries the SRV RR for _dns-
update-tls._tcp.alice.members.me.com.  Then, the updates are sent to
the dynamic DNS server returned in the Target field of query response.

...

So alice's host issues a query for
_dns-llq-tls._tcp.alice.members.me.com
and obtains the server that provides LLQ service.

Notes:

In both cases “_udp” should be replaced by “_tcp”.

The IANA service type “_dns-update-tls._tcp” is DNS Update (RFC 2136) over TLS over TCP.

The IANA service type “_dns-llq-tls._tcp” is DNS Long-Lived Queries (draft-sekar-dns-llq-03) over TLS over TCP.

In both cases RFC 6281 inadvertently used the label “_udp” instead of “_tcp”. Of course, TLS runs over TCP, not UDP. (I do know that DTLS can be used over UDP, but that is not what is being used here.)

Status: Rejected (1)

RFC 6281, "Understanding Apple's Back to My Mac (BTMM) Service", June 2011

Source of RFC: IETF - NON WORKING GROUP
Area Assignment: tsv

Errata ID: 4378
Status: Rejected
Type: Technical
Publication Format(s) : TEXT
Reported By: Sterling Garwood
Date Reported: 2015-05-28
Rejected by: Martin Stiemerling
Date Rejected: 2016-01-12

Section all says:

Notes:

This entire RFC needs to be either updated or marked as obsolete. Terms in the text such as the URL reference to me.com are obsolete as Apple has moved on and renamed the entire product. Apple no longer uses NAT-PMP as the name for their port mapping protocol and that product has moved to version 2.
--VERIFIER NOTES--
Erratas are not used to obsolote documents or mark them as historic.

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