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[tcpm] [Editorial Errata Reported] RFC5925 (5347)

RFC Errata System <rfc-editor@rfc-editor.org> Thu, 03 May 2018 20:33 UTC

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Subject: [tcpm] [Editorial Errata Reported] RFC5925 (5347)
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The following errata report has been submitted for RFC5925,
"The TCP Authentication Option".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata/eid5347

--------------------------------------
Type: Editorial
Reported by: Ignacio Goyret <ignacio.goyret@nokia.com>

Section: 5.1

Original Text
-------------
3. The TCP header, by default including options, and where the TCP
   checksum and TCP-AO MAC fields are set to zero, all in network-
   byte order.

   The TCP option flag of the MKT indicates whether the TCP options
   are included in the MAC.  When included, only the TCP-AO MAC field
   is zeroed.

   When TCP options are not included, all TCP options except for TCP-
   AO are omitted from MAC processing.  Again, the TCP-AO MAC field
   is zeroed for the MAC processing.


Corrected Text
--------------
3. The TCP header and TCP options, where the TCP checksum and TCP-AO
   MAC fields are always set to zero, all in network-byte order.

   The TCP option flag of the MKT indicates which TCP options are
   included in the MAC. When TCP options are not included, only the
   TCP option for TCP-AO (as described in Section 2.2) is included
   in the MAC. Otherwise, all the TCP options are included in the MAC.


Notes
-----
Rewording for clarity and simplification.
The original text could lead to confusion re '...When included, only the TCP-AO MAC field is zeroed.'

Instructions:
-------------
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--------------------------------------
RFC5925 (draft-ietf-tcpm-tcp-auth-opt-11)
--------------------------------------
Title               : The TCP Authentication Option
Publication Date    : June 2010
Author(s)           : J. Touch, A. Mankin, R. Bonica
Category            : PROPOSED STANDARD
Source              : TCP Maintenance and Minor Extensions
Area                : Transport
Stream              : IETF
Verifying Party     : IESG

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