: Plan your cable routes carefully to minimize visibility and protect against weather and vandalism.
If you're referring to a specific manual ("inurl view index shtml cctv install"), try searching directly for that document or similar product guides on the manufacturer's website or through a search engine. Manufacturers often provide detailed installation guides and troubleshooting tips for their products. : Plan your cable routes carefully to minimize
The answer is usually convenience or ignorance. Installers often enable "PnP" (Plug and Play) or "UPnP" (Universal Plug and Play) on the router so the client can view their cameras from a smartphone app remotely. This process automatically forwards ports (commonly HTTP port 80 or RTSP port 554) to the public internet.