Protocols

What is port scanning?SP-PhotoShutterstock

What is port scanning?

It’s easy to lose track of all the different programs that are responsible for inbound and outbound data traffic. Networks hosting a large number of computer systems that are constantly communicating with online services often require technical backup. High-performance tools…

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How to clear cookies step by stepRawpixel.comShutterstock

How to clear cookies step by step

Some cookies can be very helpful – they let you sleep on those impulse purchases and keep them from disappearing out of your shopping cart, or log into social media sites with just one click. But not all cookies make surfing the web easier, and some may even forward unwanted…

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How to fix Error 401 UnauthorizedRoland IJdemaShutterstock

How to fix Error 401 Unauthorized

You’re surfing around on the internet, but instead of getting the desired content you only receive an error message: annoying or even downright frustrating. Especially if you don’t exactly know what the status is supposed to mean. How are you expected to solve the problem, if you…

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How to fix Error HTTP 504 (Gateway Timeout)windwheelShutterstock

How to fix Error HTTP 504 (Gateway Timeout)

If the error message ‘HTTP 504 Gateway Timeout’ appears when you attempt to open a website, it means that the allowed time for responding to browser queries has been exceeded. A lot of the time the culprit is not the web server itself, but instead some other component of the…

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Headless CMS

Headless CMS

If you want to juggle more than one channel with your content management system, you’ll quickly reach the limits. A classic CMS offers many simplifications, but at the same time is limited with its design options. For this reason, content creators sometimes rely on another…

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How to fix HTTP 500 internal server error?

How to fix HTTP 500 internal server error?

Error messages when surfing the net are a nuisance for everyone involved, but especially for those who have to find out what the problem is. The search for a solution can be particularly tedious if the status code message barely provides any information on the source of the…

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OSI ModelramcreationsShutterstock

OSI Model

Those working with network technology are bound to encounter the ISO-OSI model sooner or later. This system subdivides communication between computer systems into seven different layers. Each of these layers is assigned a certain task. With the help of this layer model, subareas…

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RARP (Reverse Address Resolution Protocol)

RARP (Reverse Address Resolution Protocol)

Out-dated technology can still be interesting. Even though the Reverse Address Resolution Protocol was introduced in 1984, and considered obsolete the following year due to the Bootstrap Protocol, it continued to be used long after. The RARP has not completely disappeared from…

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Network News Transfer Protocol (NNTP)

Network News Transfer Protocol (NNTP)

As a global computer network, the Internet provides the perfect foundation for gathering and distributing information. The World Wide Web, the most well-known Internet service, convincingly proves this fact. The older Usenet benefits from the Internet’s global network as well. In…

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MultiProtocol Label Switching (MPLS)

MultiProtocol Label Switching (MPLS)

Speed and reliability play an important role for data transfer in networks. They reflect the quality of the connection, which is why providers do everything they can to guarantee the agreed services. A method primarily used in virtual private networks is the so-called…

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