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RFC 4302, "IP Authentication Header", December 2005

Source of RFC: ipsec (sec)

Errata ID: 2189
Status: Rejected
Type: Technical

Reported By: Constantin Hagemeier
Date Reported: 2010-04-28
Rejected by: Sean Turner
Date Rejected: 2010-07-20

Section 3.4.3. says:

received Sequence Number against the receive window.  In constructing
the full sequence number, if the low-order 32 bits carried in the
packet are lower in value than the low-order 32 bits of the
receiver's sequence number counter, the receiver assumes that the
high-order 32 bits have been incremented, moving to a new sequence
number subspace.  (This algorithm accommodates gaps in reception for

It should say:

received Sequence Number against the receive window.  In constructing
the full sequence number, if the low-order 32 bits carried in the
packet are lower in value than the low-order 32 bits of the
receiver's left edge's sequence number counter, the receiver assumes
that the
high-order 32 bits have been incremented, moving to a new sequence
number subspace.  (This algorithm accommodates gaps in reception for

Notes:


--VERIFIER NOTES--
There is no mention of a "left edge sequence number counter" in 4302.

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