A router's wide area network (WAN) port acts as its gateway to other networks, providing an interface for the router to send outgoing traffic over. Computers should not be connected to a router's WAN ...

You've picked out your hardware and set up the basics, and configured your network to perform at its best and fastest. Now it's time to open the gates to the outside world. In this lesson, we're going ...

Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

Data packets travel to and from numbered network ports associated with particular IP addresses and endpoints, using the TCP or UDP transport layer protocols. All ports are potentially at risk of ...