How to put a password on an RTSP stream at the lowest cost?

Question

CCTV

There is an IP camera that gives a picture via rtsp, the camera has its own RTSP server (live555), the stream is without a password, there is no access to the server settings. I would like to connect to the camera from the outside, but with a password, so as not to shine the camera on the Internet. There is a constantly running machine on Ubuntu server 14.04 on the same network with a camera, I wanted to find some small program for these tasks, but only monsters like ZoneMinder are googled.
Please suggest the best way.

Answer 1

In the admin panel of the camera there should be a password access function. At least in acumen it is.
If there is none, change the standard rtsp port on the camera, and write it in zoneminder accordingly.