Each part of the search string targets a specific vulnerability or system characteristic:
A business owner wants to check their cameras from home or on a business trip. Instead of setting up a proper VPN (Virtual Private Network) or a secure cloud bridge, they (or a cheap installer) simply forward port 80 or 443 on their router to the DVR/NVR. This makes the web interface accessible to anyone on the internet. inurl view index shtml cctv work
Create a /robots.txt file with: