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 ...

I have a machine behind a firewall with a couple ports open and our propietary software is listening on one of those - a high port like 30999 for example.<BR><BR>Is there a utility or something I can ...

In a TCP/IP network, a port is a number that identifies the type of network traffic. If an incoming or outgoing port is "open," packets with that port number are allowed into or out of the local ...

Over the last several years, TCP/IP has gone from being the protocol that only geeks use, to a universal protocol that everyone uses, thanks to the widespread use of the Internet. TCP/IP has been ...

I've always hated static public IP addresses and the workaround that DDNS enables. They weren't a smart idea decades ago, and now that threat actors are mostly running automated scans on powerful ...