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RFC 6347, "Datagram Transport Layer Security Version 1.2", January 2012

Note: This RFC has been obsoleted by RFC 9147

Note: This RFC has been updated by RFC 7507, RFC 7905, RFC 8996, RFC 9146

Source of RFC: tls (sec)

Errata ID: 4104
Status: Reported
Type: Editorial
Publication Format(s) : TEXT

Reported By: Manuel Pégourié-Gonnard
Date Reported: 2014-09-08

Section 4.1 says:

   [Page 8]                                                   In order
   to ensure that any given sequence/epoch pair is unique,
   implementations MUST NOT allow the same epoch value to be reused
   within two times the TCP maximum segment lifetime.  In practice, TLS
   implementations rarely rehandshake; therefore, we do not expect this
   to be a problem.

It should say:

[Delete these two sentences.]


Page 9 starts with: "Similarly, implementations MUST NOT allow the epoch to wrap" which is a stronger requirement (not allowing to wrap at all vs not allowing reuse within some period), so the weaker requirement should be eliminated to avoid confusion.

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