Subject: [core] [Technical Errata Reported] RFC7252 (4949)

From: RFC Errata System <[email-masked]>
Date: Wed, 22 Feb 2017 13:21:33 -0800 (PST)

The following errata report has been submitted for RFC7252,
"The Constrained Application Protocol (CoAP)".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=7252&eid=4949

--------------------------------------
Type: Technical
Reported by: Klaus Hartke <[email-masked]>

Section: 5.10.7

Original Text
-------------
If any
of these reserved option numbers occurs in addition to Location-Path
and/or Location-Query and are not supported, then a 4.02 (Bad Option)
error MUST be returned.

Corrected Text
--------------
If any
of these reserved option numbers occurs in addition to Location-Path
and/or Location-Query and are not supported, then the response MUST
be rejected (Sections 4.2 and 4.3).

Notes
-----
The Location-* options are used in responses. A client cannot return a 4.02 (Bad Option) response in reply to a response. The correct behavior is to reject the response.

Instructions:
-------------
This erratum is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party  
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC7252 (draft-ietf-core-coap-18)
--------------------------------------
Title               : The Constrained Application Protocol (CoAP)
Publication Date    : June 2014
Author(s)           : Z. Shelby, K. Hartke, C. Bormann
Category            : PROPOSED STANDARD
Source              : Constrained RESTful Environments APP
Area                : Applications
Stream              : IETF
Verifying Party     : IESG