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Date:      Mon, 26 Feb 96 12:30:15 -0500
From:      Peter MacKenzie <pmac@til_cad1.kasten.on.ca>
To:        questions@freebsd.org
Subject:   invalid option in TCP header
Message-ID:  <199602261727.JAA02503@freefall.freebsd.org>

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Is there an invalid option in the option list of the TCP header with
FreeBSD 2.1.0?

When I open a telnet session the first packet has the SYN control bit
correctly set.  The first four bytes of the TCP options correctly refer
to the maximum segment size however the next byte is a no operation option
(01, should this be an end of option list) and the next one is (as far
as I am aware) an invalid option (03).  Does BSD expect that this should
be ignored or is there a new option that I am not aware of?

Thanks, Peter.





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