Summary: The Windows services file, located in c windows\system32\drivers\etc, lists service names and port numbers. If another program uses the same port number as a service that's listed in the ...

Your computer's firewall is a network security protocol that blocks unauthorized access from a local network or the Internet. The firewall allocates "ports" to programs that require network and ...

File-sharing applications and other programs that access a transmission control protocol/Internet protocol network use ports to route traffic to a destination. Most routers, however, use a firewall to ...

In TCP/IP and UDP networks, a port is an endpoint to a logical connection and the way a client program specifies a specific server program on a computer in a network. Some ports have been preassigned ...