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RFC 5176, "Dynamic Authorization Extensions to Remote Authentication Dial In User Service (RADIUS)", January 2008

Source of RFC: radext (ops)

Errata ID: 3103
Status: Rejected
Type: Technical

Reported By: Davide Magistri
Date Reported: 2012-02-03
Rejected by: Benoit Claise
Date Rejected: 2012-07-26

Section 7 says:

Disconnect Request with User-Name:

       0: xxxx xxxx xxxx xxxx xxxx 2801 001c 1b23    .B.....$.-(....#
      16: 624c 3543 ceba 55f1 be55 a714 ca5e 0108    bL5C..U..U...^..
      32: 6d63 6869 6261

Disconnect Request with Acct-Session-ID:

       0: xxxx xxxx xxxx xxxx xxxx 2801 001e ad0d    .B..... ~.(.....
      16: 8e53 55b6 bd02 a0cb ace6 4e38 77bd 2c0a    .SU.......N8w.,.
      32: 3930 3233 3435 3637                        90234567

Disconnect Request with Framed-IP-Address:

       0: xxxx xxxx xxxx xxxx xxxx 2801 001a 0bda    .B....."2.(.....
      16: 33fe 765b 05f0 fd9c c32a 2f6b 5182 0806    3.v[.....*/kQ...
      32: 0a00 0203

It should say:

Disconnect Request with User-Name:

       0: xxxx xxxx xxxx xxxx xxxx 2801 001c 1b23    .B.....$.-(....#
      16: 624c 3543 ceba 55f1 be55 a714 ca5e 0108    bL5C..U..U...^..
      32: 6d63 6869 6261

Disconnect Request with Acct-Session-ID:

       0: xxxx xxxx xxxx xxxx xxxx 2801 001e ad0d    .B..... ~.(.....
      16: 8e53 55b6 bd02 a0cb ace6 4e38 77bd 2c0a    .SU.......N8w.,.
      32: 3930 3233 3435 3637                        90234567

Notes:

Since cardinality notation value for Framed-IP-Address attribute has now been changed in section 3.6 ("Table of Attributes") compared to previous 3576 RFC (change was from "0-1" to "0"), the "Disconnect Request with Framed-IP-Address" example in section 7 ("Example traces") should be removed.

Furthermore, a new bullet in "Appendix A. Changes from RFC 3576" should be foreseen (just like the one related to Service-Type Attribute), such as:
o Use of the Framed-IP-Address, Framed-Interface-Id and Framed-IPv6-Prefix Attributes within a Disconnect-Request is prohibited

Broadly speaking, one thing that seems to me a bit unclear is that Attributes such as Framed-IP-Address, Framed-Interface-Id and Framed-IPv6-Prefix are still valid session identifiers that could be present in CoA Requests, while they have been totally prohibited in Disconnect Requests ( even if they are mentioned as valid in section 3, end of page #10 ).
From my point of view, either it's misplaced the example in section 7 or cardinality notation values in Disconnect Message Table of Attributes (related to the ones mentioned above) should be changed back to "0-1" (I personally think this last option would be better).
--VERIFIER NOTES--
Rejected. See the resolution in errata 3294

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