Hi Mikael, Could you please send me a copy go the connection log at the bottom of the about:webrtc <about:webrtc> page. Even better would be pcap trace file taken with tcpdump or wireshark of the problem.
Thank you Nils Ohlmeier > On Dec 11, 2017, at 01:44, Mikael Nousiainen <[email protected]> wrote: > > I have a working Janus WebRTC server setup running in my LAN (streaming only > live Opus audio). With direct connections -- while connected to the LAN -- it > works perfectly every time with Firefox, Chrome, Chromium and the mobile > browsers. > > However, when I connect to the LAN from the public Internet via OpenVPN, > Firefox states that ICE fails and does not output any audio, but Chrome and > Chromium (latest versions) _do work_ always. > > I'm not using a STUN or TURN server, because WebRTC should work fine inside > LAN. > Also, There are no firewalls on traffic restrictions in place inside my LAN > or the connecting workstation. > > Here are the about:webrtc SDP details from Firefox: > > SDP > > Local SDP > > v=0 > o=mozilla...THIS_IS_SDPARTA-57.0 1746241924783914147 0 IN IP4 0.0.0.0 > s=- > t=0 0 > a=sendrecv > a=fingerprint:sha-256 > A5:C9:2F:26:99:CF:7A:1E:6B:39:F9:56:4D:A7:6C:44:6A:C6:C7:B8:90:9D:17:E7:E3:BA:4E:CE:AB:DB:18:0E > a=group:BUNDLE audio > a=ice-options:trickle > a=msid-semantic:WMS * > m=audio 4187 RTP/SAVPF 101 > c=IN IP4 85.76.X.X > a=candidate:0 1 UDP 2122252543 192.168.43.135 39927 typ host > a=candidate:2 1 TCP 2105524479 192.168.43.135 9 typ host tcptype active > a=candidate:1 1 UDP 1686052863 85.76.X.X 4187 typ srflx raddr 192.168.43.135 > rport 39927 > a=recvonly > a=end-of-candidates > a=fmtp:101 maxplaybackrate=48000;stereo=1;useinbandfec=1 > a=ice-pwd:8ce147a6798654432b88ded1a0441e99 > a=ice-ufrag:b273b366 > a=mid:audio > a=rtcp-mux > a=rtpmap:101 opus/48000/2 > a=setup:active > a=ssrc:675509201 cname:{5784c74c-8d73-4877-b111-0ff72b1bb6d0} > > Remote SDP > v=0 > o=- 1512977090487910 1512977090487910 IN IP4 192.168.0.114 > s=- > t=0 0 > a=sendrecv > a=group:BUNDLE audio > a=msid-semantic:WMS janus > m=audio 9 RTP/SAVPF 101 > c=IN IP4 192.168.0.114 > a=candidate:1 1 udp 2013266431 192.168.0.114 51415 typ host > a=sendonly > a=end-of-candidates > a=fingerprint:sha-256 > A8:A2:A0:A6:36:95:6F:17:02:B7:B9:02:61:06:DC:FA:65:14:F4:3C:1E:C5:60:72:97:10:11:F5:0C:A2:00:6A > a=ice-options:trickle > a=ice-pwd:hy7+LKuhl8w3q3oLRYja+R > a=ice-ufrag:d/gM > a=mid:audio > a=rtcp-mux > a=rtpmap:101 opus/48000/2 > a=setup:actpass > a=ssrc:3533275855 cname:janusaudio > a=ssrc:3533275855 msid:janus janusa0 > a=ssrc:3533275855 mslabel:janus > a=ssrc:3533275855 label:janusa0 > > RTP Stats > inbound_rtp_audio_0 > > Local: 09:24:57 GMT+0200 (EET) inbound-rtp SSRC: 0 > > Here are the Firefox trickle candidates when connecting via VPN: > > candidate:0 1 UDP 2122252543 192.168.43.135 39927 typ host > candidate:2 1 TCP 2105524479 192.168.43.135 9 typ host tcptype active > candidate:1 1 UDP 1686052863 85.76.X.X 4187 typ srflx raddr 192.168.43.135 > rport 39927 > > 192.168.43.135 is the address provided by mobile phone WiFi tethering network. > 85.76.X.X is the public IP address of the phone (which shouldn't really be > needed here, as traffic should flow through OpenVPN). > > After the trickle candidates have been sent, Janus sends back response: > > { > janus: "hangup" > reason: "ICE failed" > ... > } > > And Janus logs state the same: > > [8217140053462936] ICE failed for component 1 in stream 1, but let's give it > some time... (trickle received, answer received, alert not set) > > For comparison, here are the offer and answer SDPs and the only trickle > candidate from Chromium, where the WebRTC audio stream works: > > SDP offer (Chromium): > > v=0 > o=- 1512977894982229 1512977894982229 IN IP4 192.168.0.114 > s=Mountpoint 101 > t=0 0 > a=group:BUNDLE audio > a=msid-semantic: WMS janus > m=audio 9 RTP/SAVPF 101 > c=IN IP4 192.168.0.114 > a=sendonly > a=mid:audio > a=rtcp-mux > a=ice-ufrag:UF1c > a=ice-pwd:AEcwbtUvOOlWmHrqxMNvs9 > a=ice-options:trickle > a=fingerprint:sha-256 > A8:A2:A0:A6:36:95:6F:17:02:B7:B9:02:61:06:DC:FA:65:14:F4:3C:1E:C5:60:72:97:10:11:F5:0C:A2:00:6A > a=setup:actpass > a=rtpmap:101 opus/48000/2 > a=ssrc:1652840103 cname:janusaudio > a=ssrc:1652840103 msid:janus janusa0 > a=ssrc:1652840103 mslabel:janus > a=ssrc:1652840103 label:janusa0 > a=candidate:1 1 udp 2013266431 192.168.0.114 50486 typ host > a=end-of-candidates > > SDP answer (Chromium): > > v=0 > o=- 4097746442121410971 2 IN IP4 127.0.0.1 > s=- > t=0 0 > a=group:BUNDLE audio > a=msid-semantic: WMS > m=audio 9 RTP/SAVPF 101 > c=IN IP4 0.0.0.0 > a=rtcp:9 IN IP4 0.0.0.0 > a=ice-ufrag:PKJx > a=ice-pwd:C5y8JjI9BeP5eM3hnstDVAiC > a=ice-options:trickle > a=fingerprint:sha-256 > 86:EC:9A:2A:9D:28:3E:63:19:2E:DB:0B:BA:55:4E:57:DC:AF:4E:82:70:E4:CE:85:28:D6:13:C2:F1:20:D0:E0 > a=setup:active > a=mid:audio > a=recvonly > a=rtcp-mux > a=rtpmap:101 opus/48000/2 > a=fmtp:101 minptime=10;useinbandfec=1 > > The only trickle candidate in Chromium: > > candidate:4279861495 1 udp 2113937151 192.168.43.135 57620 typ host > generation 0 ufrag PKJx network-cost 50 > _______________________________________________ > dev-media mailing list > [email protected] > https://lists.mozilla.org/listinfo/dev-media
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