...

Thus, RTSP client can be authenticated by RTSP stream URL, User-Agent, client and server IP address and port.

Known issues

1. Frame loss and picture artefacts can occur when HD stream is played via RTSP 

Symptoms: some artefacts are observed, and player log contains lost frame reports when HD stream is played via RTSP.

Solution: switch player to RTSP interleaved mode, for example, in VLC settings tab Input/Codecs set radiobutton Live 555 stream transport to RTP over RTSP (TCP)