I have a SWANN camera (some do rtsp, others not) only has port 900 open, wonder if this would work on all these "proprietary" cameras. The camera industry is s

I have a SWANN camera (some do rtsp, others not) only has port 900 open, wonder if this would work on all these "proprietary" cameras. The camera industry is shady AF with everything listed as call-for-price. I hate trying to source anything for it.