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Date:      Sat, 8 Feb 1997 22:52:01 -0800
From:      Jim Shankland <jas@flyingfox.COM>
To:        bugs@freebsd.org, freebsd-isp@freebsd.org, freebsd-questions@freebsd.org, robert@nanguo.chalmers.com.au
Subject:   Re:  I give up! no ideas left.
Message-ID:  <199702090652.WAA07862@saguaro.flyingfox.com>

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Never give up.  There's an answer out there somewhere.

Here's what I find when I connect to port 80 of your machine
(nanguo.chalmers.com.au) and do a "GET / HTTP/1.0":

>From SunOS 4.1.4:  everything works.

>From FreeBSD 2.2-BETA_A:  Connection hangs.  My end is ESTABLISHED.
A packet trace reveals that after the initial, 3-way TCP handshake,
I receive the *second* data packet from you (covering bytes
1440:2049, or something like that), but I never get the first
(bytes 1:1440).  Of course, my end immediately does an ACK 1
to signal that it got an out-of-sequence packet; but to no
avail.  That packet simply never arrives.

Same thing happens whether RFC1323 and RFC1644 are enabled or
not; so my tentative conclusion is that they are not a factor.

I can probably look into this further on Monday (Tuesday in Australia,
unfortunately), if it hasn't been resolved by that time.

Jim Shankland
Flying Fox Computer Systems, Inc.


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