When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In past lessons, we discussed some important numbers used in IP networks. One was 1460, the ...

The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

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 ...

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 ...

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 ...

Fred Stluka from Bristle.com just introduced me to port knocking — a method of opening ports on a firewall by trying to connect with a series of ports in a pre-determined order. The sequence of ...

Sorry if this is post is redundant, but I did some searching and didn't quite see what I'm looking for. I've inherited an existing network setup and the associated documentation is basically a Visio ...

Port forwarding or Port mapping is the process through which external traffic from the Internet can connect to a computer within a private network. In this post, we will learn how to port forward a ...

Easy-access network tools are simple but essential and can be downloaded from the online Microsoft Store and pinned to the Windows 10 Start menu Networking tools for Windows are typically command-line ...