Many Axis camera models came with a default configuration that allowed unauthenticated access to the mjpg stream. The logic was simple: If you are an administrator installing 200 cameras in a casino, you want to check the video feed before you configure complex user permissions.
: This operator tells Google to look for the specified text within a website's URL structure. axis-cgi/mjpg/video.cgi : This is a common path used by Axis Communications IP cameras to deliver a Motion JPEG (MJPG) video stream. inurl axis cgi mjpg motion jpeg free