Expires headers and windows messenger.
From: Markus Korhonen (markus_at_ingate.com)
Date: 09/27/04
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Date: Mon, 27 Sep 2004 14:08:20 +0200
Problem:
Windows messenger does not understand when a registrar
answers to a REGISTER by putting an expires parameter
on the Contact header of
the 200 OK or if an Expires header is set.
Putting an expires parameter on the Contact header of
the 200 OK seems to be the preferred method in the RFC
(Since it allows the use of different expires values
for different user identities in the same REGISTER
request).
But when Messenger registers with a server that has a
significantly shorter registration timeout than it
asks for, it will.
1. (If the server uses an Expires header). Try again
and again to REGISTER and never be satisfied with the
200 OK it gets.
2. (If the server putts an Expires parameter on the
Contact header) register normally but will not take
any notice about the Expires period given in the 200
OK.
Has anybody any comments to this issue?
Best regards
Markus Korhonen
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