[Ns-bugs] [Bug 499] wireshark complains if ack number is nonzero but ACK flag not set

Mon Feb 16 11:10:31 PST 2009

http://www.nsnam.org/bugzilla/show_bug.cgi?id=499

Tom Henderson <tomh at tomh.org> changed:

           What    |Removed                     |Added
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                 CC|                            |tomh at tomh.org

--- Comment #2 from Tom Henderson <tomh at tomh.org>  2009-02-16 14:10:31 EDT ---
I have some questions about this and the patch.

- TCP should always set the ACK flag once the connection is synchronized.  So,
just looking at the trace, it seems that the bug may rather be in not setting
an ACK flag.

- is the ESP intentional here, or is this an indication of something else that
may be wrong with the TCP payload?  ESP should not have an SPI that is all
zeros.

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