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Date: Wed, 5 Feb 1997 09:19:41 +1100 (EST)
From: "Daniel O'Callaghan" <danny@panda.hilink.com.au>
To: Robert Chalmers <robert@nanguo.chalmers.com.au>
cc: bsd <freebsd-questions@freebsd.org>, FreeBSD ISP <freebsd-isp@freebsd.org>
Subject: Re: annex+sco, no worries, fbsd, yes
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On Wed, 5 Feb 1997, Robert Chalmers wrote:

> Here's an interesting one.
> 
> If I run SCO 3.2v4.2 + the Annex(V9.2), traffic flows now worries in both 
> directions. No problems with rfc1323 or anything else.
> 
> Hook up the FreeBSD 2.2 + Annex(V9.2). Immediate problems. Anything that speaks
> rfc 1323 has problems. (mostly Sun's and other FreeBSD machines it seems)
> 
> Why is this? Is there a technical reason for this that anyone knows about?

I thought we went through this.  RFC 1323 extension data streams have SYN 
packets with data in them, at the connection setup.  Annex OS v 9.x 
throws a fit when it sees a TCP packet with SYN set and actual data.  
Traditional TCP connections are setup using SYN/SYN-ACK packets with no 
data payload.

Does SCO support RFC 1323 TCP extensions?

Danny