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  1. OASIS Message Queuing Telemetry Transport (MQTT) TC
  2. MQTT-531

Changes to Disallowed-Unicode code points-v1.0-wd01

    XMLWordPrintable

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 3.1.1, 5
    • Fix Version/s: 3.1.1, 5, wd20
    • Component/s: candidateCN
    • Labels:
      None

      Description

      The following changes were made to Disallowed-Unicode code points-v1.0-wd01 when it was merged into the V5 spec. We propose to make the same changes to the committee note

      In 1.1 Introduction remove the comma from:

      Unicode Noncharacters, which

      In 1.3 1.3 Considerations for the use of Disallowed Unicode code points remove the
      paragraph containing the double negative...

      An implementation of MQTT might choose not to validate Topic Names if Disallowed Unicode
      code points will never occur in a particular use case, due to the constraints on Topic
      Names being used. In such
      cases the burden of validating whether these code points are present is unnecessary.

      In 1.5 Remedies replace

      3) Restrict the Topic Filters authorized to subscribers so that a Client cannot use
      Topic Filters containing Disallowed Unicode code points. If a client is allowed to
      make a subscription containing a wild card character, ensure that the publishers
      cannot make publications where a Disallowed Unicode code point would match the wildcard.

      to the following so as to remove the word ensure...

      3) Restrict the Topic Filters authorized to subscribers so that a Client cannot use
      Topic Filters containing Disallowed Unicode code points. If a client is allowed to
      make a subscription containing a wild card character, ensure that the Server is
      configured so that publishers cannot make publications where a Disallowed Unicode
      code point would match the wildcard.

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            • Assignee:
              Andrew_Banks Andrew Banks
              Reporter:
              Andrew_Banks Andrew Banks
            • Watchers:
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              Dates

              • Created:
                Updated:
                Resolved: