From owner-cvs-all  Tue Jun 12 17:56:50 2001
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To: obrien@FreeBSD.org
Cc: Brian Dean <bsd@bsdhome.com>,
	Jesper Skriver <jesper@FreeBSD.org>, cvs-committers@FreeBSD.org,
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Subject: Re: cvs commit: src/sys/netinet tcp_timer.c 
In-Reply-To: <20010612164602.A78220@dragon.nuxi.com> 
Date: Tue, 12 Jun 2001 17:56:44 -0700
From: Peter Wemm <peter@wemm.org>
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"David O'Brien" wrote:
> On Tue, Jun 12, 2001 at 01:49:04PM -0400, Brian Dean wrote:
> > >   Modified files:        (Branch: RELENG_4)
> > >     sys/netinet          tcp_timer.c 
> > >   Log:
> > >   MFC rev 1.44
> > >   
> > >   Disable rfc1323 and rfc1644 TCP extensions if we havn't got
> > >   any response to our third SYN to work-around some broken
> > >   terminal servers (most of which have hopefully been retired)
> > >   that have bad VJ header compression code which trashes TCP
> > >   segments containing unknown-to-them TCP options.
> 
> Rather than this, why is it we just don't require people to set
> tcp_extensions="NO" for these rare occasions?  I think thinks should be
> more deterministic.  If have tcp_extentions=YES than I want them on.

The problem is that *everybody on the entire internet* has to set them to
NO so that the people on broken terminal servers can work.

Since Windoze etc use SACKok etc tcp options and Linux has rfc1323 on by
default, this is hardly an issue now.

Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5


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