MQTT Handling of Disallowed Unicode Code Points V1.0 published by MQTT TC

OASIS Members and other interested parties,

OASIS is pleased to announce publication of "MQTT Handling of Disallowed Unicode Code Points Version 1.0," a Committee Note from the members of the OASIS Message Queuing Telemetry Transport (MQTT) TC [1].

For users of MQTT, some combinations of MQTT Clients and Servers might allow one properly authorized publishing client to cause another client to disconnect by publishing a Topic Name that contains a disallowed Unicode code point. This document recommends some steps that can be taken to prevent this eventuality.

The Committee Note is available here: 

MQTT Handling of Disallowed Unicode Code Points Version 1.0

Committee Note 01

19 April 2018

PDF  (Authoritative): 

http://docs.oasis-open.org/mqtt/disallowed-chars/v1.0/cn01/disallowed-chars-v1.0-cn01.pdf

HTML: 

http://docs.oasis-open.org/mqtt/disallowed-chars/v1.0/cn01/disallowed-chars-v1.0-cn01.html

Editable source: 

http://docs.oasis-open.org/mqtt/disallowed-chars/v1.0/cn01/disallowed-chars-v1.0-cn01.docx

For your convenience, OASIS provides a complete package of the Committee Note that you can download here:

http://docs.oasis-open.org/mqtt/disallowed-chars/v1.0/cn01/disallowed-chars-v1.0-cn01.zip

Members of the MQTT TC approved this Committee Note by a Full Majority vote on 19 April 2018 as documented in the TC minutes [2].

Our congratulations to all the members of the TC.

========== Additional references:

[1] OASIS Message Queuing Telemetry Transport (MQTT) TC

https://www.oasis-open.org/committees/mqtt/

[2] Approval 

https://www.oasis-open.org/committees/document.php?document_id=62982&wg_abbrev=mqtt

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/chet 
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Looking forward to Borderless Cyber 2018, 3-5 Oct, Washington, D.C.

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Chet Ensign
Chief Technical Community Steward
OASIS: Advancing open standards for the information society
http://www.oasis-open.org

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