: This is a specific filename used by older Axis device firmware to serve the live-view video frame [1, 3].
At first glance, this looks like a random collection of file names and commands. However, for security researchers, law enforcement, and unfortunately, malicious actors, this string acts as a key. It unlocks a list of unprotected, web-based interfaces for . inurl indexframe shtml axis video server link
The text you are referring to is a specific Google dork or search string used to find publicly accessible Axis network cameras and video servers. : This is a specific filename used by
: Tells Google to look for the specific string in the URL. 3]. At first glance