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RFC 9761: Manufacturer Usage Description (MUD) for TLS and DTLS Profiles for Internet of Things (IoT) Devices

In plain English — editorial summary, not part of the RFC

This memo extends the Manufacturer Usage Description (MUD) specification to allow manufacturers to define TLS and DTLS profile parameters. This allows a network security service to identify unexpected (D)TLS usage, which can indicate the presence of unauthorized software, malware, or security policy-violating traffic on an endpoint.

Document record

Document ID
RFC9761
Published
April 2025
Authors
T. Reddy.K; D. Wing; B. Anderson
Status
PROPOSED STANDARD
Stream
IETF
Area
ops
Pages
33
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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