Wireshark-bugs: [Wireshark-bugs] [Bug 12403] New: RTMP video and audio dissector unknown
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 04 May 2016 07:38:43 +0000
Bug ID 12403
Summary RTMP video and audio dissector unknown
Product Wireshark
Version 2.0.0
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Major
Priority Low
Component Capture file support (libwiretap)
Assignee bugzilla-admin@wireshark.org
Reporter begeekmyfriend@gmail.com 

Created attachment 14533 [details]
A complete connection session over RTMP

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
I published mobile phone AV streams over RTMP to the public domain ossrs.net
and watched with a player (VLC etc.). Meanwhile I captured the whole session
networking packets by Wireshark 2.0.0 enclosed by the attachment. However, in
the file I saw many "Unknown" marked RTMP packets delivered from the server and
the picture and music still seemed to be well. I consulted staff of the server
and was informed that it was an bug of Wireshark dissector over RTMP.

Here I provide an on-spot appearance approach to this bug as follows:

First, download yasea.apk from Github:
https://github.com/begeekmyfriend/yasea-apk and install it on an arbitrary
Android mobile phone.

Second, set an RTMP url like rtmp;//ossrs.net/live/somestream and publish.

Third, set the networking url of a player like VLC as the RTMP url above and
then watch.

You may use Wireshark for networking capture and you will see many "Unknown"
marked RTMP packets (not always) which used to be normal AV streams.

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