• Janus - WebRTC

    Capturing WebRTC traffic in Janus

    Capturing WebRTC traffic looks relatively easy, and most of the times it really is: you just need to launch tools like tcpdump or Wireshark on the machine of one of the peers (or on any machine that is in the media path), and then have a look at the file that has been generated, which most of the times will be a .pcap or .pcapng file. This kind of activity is especially useful when trying to debug connectivity issues or other WebRTC-related problems: in fact, applications like Wireshark automatically recognize standard protocols like STUN and DTLS, that is the procotols WebRTC PeerConnections are founded upon,…