To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...

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 ...

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 ...

Every email user receives unsolicited e-messages they’d rather not see. Whether these come from spammers or fraudsters, they can be a nuisance. Luckily, there is a way to keep malicious parties at bay ...

With someone's IP address, you can learn a user's general location, and disable some parts of their internet browsing ...

When you change your IP address, you’re telling websites that you’re visiting from another place. If the websites you’re ...

This is the second part of our two-part lesson. Here we will also address some basic IP principles that seem to be overlooked. In this lesson we are going to focus on two fundamental ideas: half ...