Real-Time Streaming Protocol (RTSP) often bypasses the viewshtml page. Ensure your camera requires a password for RTSP streams.
Based on historical Shodan and Censys data combined with Google dork results: inurl viewshtml cameras
The search query inurl:view/view.shtml is a well-known used by security professionals (and sometimes hackers) to find live, often unsecured, IP camera feeds indexed by search engines. inurl viewshtml cameras
Data gathered over the last five years shows that inurl:viewshtml exposes four primary categories: inurl viewshtml cameras