RTSP

I want to retrieve an RTSP stream from my NX server. Do you have a way to do that?

And I found a section like this; could you send me the link to the article containing this section?
It's also possible to retrieve an HTTPS stream from the web; you can try this:
If your goal is to pull a secure, encrypted video stream from the Nx Witness Server into a third-party application (without hitting the camera directly), you have two official workarounds:
Option A: Use HTTPS Progressive Streaming (Recommended)
Nx Witness allows you to pull live or recorded video over pure HTTPS in standard web formats (like WebM, MKV, or HLS). This gives you full SSL/TLS encryption.
Format: ⁠https://<server_ip>:7001/media/<camera_id>.<extension>⁠ 
Example (Live MKV): ⁠https://192.168.1.100:7001/media/a1b2c3d4...mkv?pos=live
Nx supports rtsps from camera, does not support restream rtsps out to the third party