Wireshark-bugs: [Wireshark-bugs] [Bug 10289] DNP3 dissector bug in multi-fragmented messages wit
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 30 Jul 2014 16:52:03 +0000

changed bug 10289

What Removed Added
CC   jeff.morriss.ws@gmail.com

Comment # 8 on bug 10289 from 
A few thoughts:

1) The TCP preference's purpose (AFAICT) is to not call subdissectors on
retransmissions so I'm not sure why it would not be working here.  I suppose
you do have the "Analyze TCP sequence numbers" preference enabled?  (Hmmm,
maybe the "Do not call subdissectors for error packets" preference should be
labeled as requiring that preference...)

2) The SCTP dissectors doesn't even have a preference: it simply doesn't call
subdissectors on retransmissions.

3) Seer52592 for an example of some code avoiding relying on that TCP
preference.

4) This kind of thing is not at all unusual; there are bunches of bug reports
about retransmissions and out-of-order packets breaking higher-level function
X, Y, and Z.

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