Networking Basics: Learn How Networks Work
Most of us are so happy to have the convenience of wireless networks that we tend to overlook the fact that they are very unsecure. For example, with a wired network, you have to be directly connected to the network. But with a wireless network—where the connection is made possible by a radio signal—anyone within…
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Broadband internet service is a form of high-speed internet access. In fact, the name “broadband” has come to be synonymous with high-speed internet use in general. Since speed is measured by bit rate, the number of bits processed per unit of time, broadband internet service is defined as being 256 kbit/s (kilobits per second) or…
[Read More]Setting up a wireless network for the first time. If you haven’t set up a wireless network at home yet, you should give it some thought. With the advances of technology over the past several years, it has gotten pretty easy to set one up. But more than that, because so many people these days…
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First, let’s get a couple of points out of the way: Wi-Fi, which rhymes with the outdated term “hi-fi,” has nothing in common with its soundalike. Hi-fi stood for “high-fidelity” and was used to describe a phonograph/radio system with excellent sound. Wi-Fi, by comparison, does not stand for “wireless fidelity” and has nothing to do…
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What Is SmartDNS? With an array of global sites hiding behind the locked doors of geo-blocking, using a SmartDNS is the key to accessing that restricted content and essentially unblocking websites. Before delving into the world of SmartDNS use, however, it is beneficial to first educate yourself on what a SmartDNS really is, how it…
[Read More]IANA Port Number List The port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Dynamic and/or Private Ports. The Well Known Ports are those from 0 through 1023. DCCP Well Known ports SHOULD NOT be used without IANA registration. The registration procedure is defined in [RFC4340], Section 19.9.…
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Point To Point Protocol (PPP) and Point To Point Protocol over Ethernet (PPPoE) are network protocols that allow data communication between two network entities or points. Throughout the documentation for both protocols, points are referred to as nodes, computers, or hosts. The protocols are similar in design with a major difference – PPPoE is encapsulated…
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Each individual computer runs on multiple ports. For instance, when a person opens his or her email, the computer’s server will open a port through which new mail will be downloaded through a connection to the email server. Certain ports on an individual’s personal computer are open continually, making them a target for any potential…
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