: This tells Google to look for websites where the URL contains this exact string, which is the default path for the live viewing interface of many older IP cameras.
: Accessing private security cameras without permission is often a violation of privacy laws (such as the CFAA in the US) and can be considered illegal hacking.
. It means anyone on the internet can watch your live feed, and in some cases, remotely control the camera's pan, tilt, or zoom functions. How to secure your location