Windows 7: End of Life

Windows 7 end of support: What do you need to do?

 

Even years after it was first released, Windows 7 continues to be one of the favorite operating systems worldwide. But with Microsoft announcing the end of its support for Windows 7, many PC users will need to upgrade or look for an alternative. But just because Windows 7 has...

 

Remote desktop: Success of the application

Remote desktop: Application, troubleshooting, and alternatives

 

Remote desktop connections are indispensable for day-to-day business. More than anything, allowing remote control access from another computer saves time: Whether for support, online conferences, or home office — with remote desktop, you can easily and conveniently connect your...

 

The OSI model: a reference for standards and protocols

What’s the 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 of abstract processes are able to be descriptively explained.

Quad9 DNS

Quad9: more security and privacy in the DNS

The Domain Name System (DNS) is important for day-to-day web browsing. However, it is increasingly obvious that the conventional DNS has some weaknesses. New providers are attempting to fill in the gaps. One of them is Quad9. Given that it has no commercial interests – and that it provides a high level of security and privacy – the public DNS resolver is a genuine alternative to the more widely...

What is a reverse proxy?

Reverse proxy server – core components in security architecture

Cyber criminality is a big issue for most companies’ IT departments. Online attacks threaten the security of private networks and cause millions of dollars of damage per year. Popular targets are servers that provide online services and therefore require a permanent internet connection. An extra layer of security can be applied by using an upstream network component – the reverse proxy. This...

Virtual Machines

An introduction to virtual machines

Virtual machines are extremely practical and versatile: Do you want to set up an isolated test environment, run a Linux application on your Windows computer, or provide different operating systems for cross-platform software tests? With the right virtualization software and an appropriate image file, this is easy. We will introduce you to the basics of hypervisor-supported hardware virtualization...

What is Object Storage?

Object storage: The modern storage solution

Which storage method is the best solution for you or your company? You have several options to choose from. Object storage is relatively new, but already very popular. Data is turned into objects. Instead of using folders, everything is on the same level. How does object-based storage work? And what are the advantages?

Ethernet frame

Ethernet frame: definition and variants of the frame format

Ethernet frames enable the transmission of data over an Ethernet connection and are essential for local area networks. Ethernet frames are structured and sized differently depending on the protocol, and contain important information such as MAC addresses, protocol information, length information, and much more. The established Ethernet standard IEEE 802.3 has also developed special frames for VLAN...

Broadcast address

What is a broadcast address and how does it work?

Broadcasting is one of the most diverse means of communicating in a network. A data packet is sent to an entire network from one point, without having to specify one or more recipients. You direct your data packet to the broadcast address to do this. In this article, we explain what the broadcast IP is and how you can find out this address. We also give you a simple explanation of what a broadcast...

Introduction to TCP/IP

TCP/IP explained simply

Without TCP/IP protocols, you wouldn’t be able to read the words on this page. TCP and IP, the two foundational protocols of the suite, along with other related sets of rules, define how computers communicate over the Internet and other networks. In fact, the standards are so established that every device on the Internet follows these protocols to ensure the smooth transfer of data.

LAN

LAN – Local Area Network: The Technology at a Glance

LAN is often used in relation to setting-up internet access and providing data for multiple end devices. But many users aren’t familiar with what a LAN actually is and how it differs from WLAN, nor whether a LAN is indeed relevant for them. Our article answers the most important questions.


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