Wireshark-bugs: [Wireshark-bugs] [Bug 8823] New: ip.opt.type triggers for TCP NOP option
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 20 Jun 2013 01:12:51 +0000
Bug ID 8823
Summary ip.opt.type triggers for TCP NOP option
Classification Unclassified
Product Wireshark
Version 1.10.0
Hardware All
OS All
Status UNCONFIRMED
Severity Minor
Priority Low
Component Wireshark
Assignee bugzilla-admin@wireshark.org
Reporter lcharbonnier@gmail.com 

Created attachment 11023 [details]
screen capture of the bug

Build Information:

--
When using ip.opt.type display filter, tcp packets including NOP options are
displayed even if no ip options are present. 
It appears that the TCP dissector recognizes the NOP option type as ip.opt.type
(instead of tcp.option_kind, for example).
Same behaviour is also observed for sub-options (ip.opt.type.copy,
ip.opt.type.class, ip.opt.type.number).
Screen capture is from 1.8.2 on OSX, validated same behaviour on 1.10.0 on
Win32.

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