Wireshark-bugs: [Wireshark-bugs] [Bug 13029] Skype heuristic dissector for TCP always accepts pa

Date: Wed, 19 Oct 2016 14:27:14 +0000

changed bug 13029


What Removed Added
Component Qt UI Dissection engine (libwireshark)
Version 2.2.1 Git
Summary BitTorrent protocol not dissected although all protocols are enabled Skype heuristic dissector for TCP always accepts packet as Skype
Severity Normal Enhancement

Comment # 2 on bug 13029 from
This is actually a bug in the Skype dissector:

epan/dissectors/packet-skype.c:
...
static gboolean
dissect_skype_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void
*data _U_)
{
    if (pinfo->ptype == PT_UDP) {
        if ( !test_skype_udp(tvb) ) {
            return FALSE;
        }
        dissect_skype_udp(tvb, pinfo, tree);
    }
    return TRUE;
}
...

Wireshark has some dissectors disabled by default, very often because they
interfere with other, more mature ones.

It would be nice to have a working heuristic skype dissector, thus I convert
this bug to a feature request.


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