How is Port Forwarding Configured?

Software ports are numbered connections that a computer uses to sort types of network traffic. A port may support incoming traffic, outgoing traffic, or both. A few services, such as FTP (on port 21), and HTTP (on port 80), are assigned by default to open ports where operating systems can easily find them easily. When a port is opened a service is assigned to it. For security, by default all ports to the Internet, and most LAN ports are closed so that traffic cannot flow through them. To connect any PCD's/webservers to a router, it use portforwarding...