Il giorno lunedì 19 settembre 2016 23:00:49 UTC+2, Nils Ohlmeier ha scritto:
> Lorenzo I create bug 1303867 to track and discuss this.
> 


Thanks! Let me know if there's anything else you need me to provide.

Lorenzo


>   Nils
> 
> > On Sep 19, 2016, at 12:53, Nils Ohlmeier <nohlme...@mozilla.com> wrote:
> > 
> > A security bug around this behavior (which is not disclosed to the public 
> > yet) has been fixed and uplifted to 48, which probably causes this new 
> > behavior.
> > 
> >  Nils
> > 
> >> On Sep 19, 2016, at 02:22, Lorenzo Miniero <lmini...@gmail.com> wrote:
> >> 
> >> Il giorno lunedì 19 settembre 2016 11:18:52 UTC+2, Martin Thomson ha 
> >> scritto:
> >>> No good info on the bug, which seems plausible.  I do have an
> >>> observation though:
> >>> 
> >>> You can't rely on DTLS alerts arriving, since they are not
> >>> retransmitted.  You should use signaling for session termination.
> >>> 
> >> 
> >> 
> >> Hi Martin,
> >> 
> >> yep, you're right, and in some modules we're already doing this, although 
> >> it's not happening in this case which is what made the bug pop up.
> >> 
> >> Thanks,
> >> Lorenzo
> >> 
> >> 
> >>> On Mon, Sep 19, 2016 at 6:44 PM, Lorenzo Miniero <lmini...@gmail.com> 
> >>> wrote:
> >>>> Hi,
> >>>> 
> >>>> I've noticed a weird behaviour that seems to have started happening with 
> >>>> Firefox 48, and is apparently happening with the latest Nightly as well. 
> >>>> It looks like Firefox is not sending a DTLS alert anymore when a 
> >>>> PeerConnection is closed. You can test this easily by opening this web 
> >>>> page in a couple of tabs:
> >>>> 
> >>>> https://janus.conf.meetecho.com/videocalltest.html
> >>>> 
> >>>> This is a demo of a WebRTC call with media going through my WebRTC 
> >>>> server. To replicate the issue, just choose two different usernames and 
> >>>> have one call the other, and then have one of the two hangup. This will 
> >>>> result, for both users, in a call to the PeerConnection.close(), and 
> >>>> about:webrtc confirms both PCs are indeed closed, but looking at the 
> >>>> traffic via Wireshark/tcpdump no DTLS alert is sent to the server by 
> >>>> either of them. This makes the server actually unaware of the PC being 
> >>>> closed.
> >>>> 
> >>>> Is this a known issue?
> >>>> 
> >>>> Thanks!
> >>>> Lorenzo
> >>>> _______________________________________________
> >>>> dev-media mailing list
> >>>> dev-media@lists.mozilla.org
> >>>> https://lists.mozilla.org/listinfo/dev-media
> >> 
> >> _______________________________________________
> >> dev-media mailing list
> >> dev-media@lists.mozilla.org
> >> https://lists.mozilla.org/listinfo/dev-media
> >

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