Wireshark mailing list archives
Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets?
From: Richard Sharpe <realrichardsharpe () gmail com>
Date: Fri, 1 Jun 2012 11:51:05 -0700
On Fri, Jun 1, 2012 at 11:44 AM, Jeff Morriss <jeff.morriss.ws () gmail com> wrote:
One of the more frequently asked questions/reported bugs is users filtering for RTP, saving^W exporting those displayed packets, then opening the new capture file only to find plain UDP. This is because the call-setup protocol (e.g., SIP) wasn't included in the display filter. Now we have the ability to mark frames as dependent on others. Should, for example, RTP frames mark the call-setup frames as dependencies? (I noticed that RTP has a Setup Frame field; would one frame really be enough?)
An alternative, but more radical approach, might be to export the state that is needed to correctly dissect the packets. We could lobby for an additional application-specific state record in pcap-ng or an application-specific option field. The state could be an asn.1 encoded blob, or whatever. -- Regards, Richard Sharpe (何以解憂?唯有杜康。--曹操) ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <wireshark-dev () wireshark org> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:wireshark-dev-request () wireshark org?subject=unsubscribe
Current thread:
- Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Jeff Morriss (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Richard Sharpe (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Jeff Morriss (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Anders Broman (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Richard Sharpe (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Gerald Combs (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Andreas Sikkema (Jun 02)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Jeff Morriss (Jun 04)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Jeff Morriss (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Richard Sharpe (Jun 01)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Kukosa, Tomas (Jun 05)
- Re: Should payload dissectors' (RTP) packets depend on call-setup dissectors' (SIP) packets? Richard Sharpe (Jun 05)