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Date:      Tue, 11 Apr 2000 02:06:35 -0400 (EDT)
From:      "Richard A. Steenbergen" <ras@e-gerbil.net>
To:        Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Cc:        Julie Elizabeth Schlembach <schlem@owlnet.rice.edu>, freebsd-net@FreeBSD.ORG
Subject:   Re: Using timestamp option of ip header (IPOPT_TS)
Message-ID:  <Pine.BSF.4.21.0004110201430.45949-100000@overlord.e-gerbil.net>
In-Reply-To: <200006201504.LAA34550@khavrinen.lcs.mit.edu>

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On Tue, 20 Jun 2000, Garrett Wollman wrote:

> <<On Tue, 20 Jun 2000 09:23:10 -0500 (CDT), Julie Elizabeth Schlembach <schlem@owlnet.rice.edu> said:
> 
> > a) Activate the timestamp option of the ip header (IPOPT_TS)
> 
> sysctl -w net.inet.tcp.rfc1323=1
> 
> (which should be the default state, but some ancient buggy PPP servers
> break when they see one and in any case it defeats VJ header
> compression).

This enables the TCP option for timestamping, not the IP option. There is
a significant difference. :P

You really don't want to enable the IP option timestamping, or any IP
options for that matter.

-- 
Richard A Steenbergen <ras@e-gerbil.net>   http://www.e-gerbil.net/humble
PGP Key ID: 0x138EA177  (67 29 D7 BC E8 18 3E DA  B2 46 B3 D8 14 36 FE B6)



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