Networking
First, let’s get a couple of points out of the way: Wi-Fi, which rhymes with the outdated term “hi-fi,” has nothing in common with its soundalike.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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To the uninitiated or the otherwise-gifted computer user, technical geek-speak can be rather frustrating and aggravating. When instructions are filled with such things as “port,” “TCP,” “UDP,” and other acronyms or technical terminology, the user feels more isolated and rarely finds a solution or comprehension. Fortunately, comprehension is just moments away. Port Picture a bay…
[Read More]Port forwarding, or tunneling, is the behind-the-scenes process of intercepting data traffic headed for a computer’s IP/port combination and redirecting it to a different IP and/or port. A program that’s running on the destination computer (host) usually causes the redirection, but sometimes it can also be an intermediate hardware component, such as a router, proxy…
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For those who play golf on the weekend, “Ping” is a brand of golf clubs designed to help you hit the ball straight and with precision. For those of us (golfers and non-golfers) who spend a lot of time on the Internet, “ping” is a term that relates to a test to find out how…
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