Port forwarding, also known as Port mapping, is required when trying to access a computer network from outside the network firewall or router. Online gamers often need to do port forwarding.

When someone talks about wanting to check open ports on a computer, they usually aren't talking about physical ports, like where you might plug in a monitor or a USB stick. Instead, they're ...

Instead, a computer should be connected to a router's local area network (LAN) port, as these ports are specifically intended to handle local network traffic.

Opening ports globally in Zone Alarm Free or Pro There are times that you want Zone Alarm to allow system wide access to certain ports on your computer, rather than on a per program basis.

There's a standard color code for USB devices and ports. Even with some variation between manufacturers, yellow ports ...