In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

If you are a network engineer or a normal user, you may need to find, open or block a virtual port, such as a TCP or a UDP port for an application. Virtual ports help you manage your network hardware ...

What is TCP/UDP port 27? I've looked it up in IANA's list of well-known ports and it came up as nsw-fe, or more appropriately, "NSW User System FE", but just what the hell is it? I've been told it was ...