Network

What is a demilitarized zone?

Demilitarised zones: internal network protection

Companies hosting their own websites, an online shop, or e-mail inboxes should make sure to separate the corresponding server of these from the local network. This makes it possible to protect devices within the company network from hacker attacks that take place on public networks. Solid protection comes in the form of a demilitarised zone, which separates endangered systems from sensitive...

Hardware firewall: the more stable firewall solution

Hardware firewall – the external security system

Most computer users are at least aware of the term firewall. When activated, they help protect computers. But notifications about blocked applications can become a source of irritation for many users, especially when the background information for such messages is unknown. But how do firewalls work? And what role do hardware firewalls play in protecting your computer?

Web server: definition, background, software tips

What is a web server? And which web server software is there?

The equation is simple - without it, there’s simply no web content: when a web server is out of order, then it’s no longer possible to call up any websites that are connected to it. Web servers are what allow online presences to reach the internet in the first place. But just how do these systems work? Which functions do the programmes responsible for this task offer? And what’s an example of a...

Log file analysis with open source tool, GoAccess

How log file analysis works with GoAccess

The log files of web servers and cloud services reveal a lot about the users that access them. They contain information about which browser or operating system is being used, which search terms have been entered and how many different pages a user has accessed, for example. Since manually analysing these extensive text files is nigh on impossible, you can use log file analysis programs such as...

IPsec: security architecture for IPv4 and IPv6

Secure network connections with IPsec

A big problem with the previous Internet Protocol version, IPv4, was the missing guarantee of security standards of integrity, authenticity, and confidentiality. This previous protocol lacked the necessary means to identify data sources or enable secure transport. The protocol suite IPsec, developed for IPv4’s successor, IPv6, has changed the situation for Internet Protocol overnight.

What is a VPS (virtual private server)?

What is a VPS (Virtual Private Server)?

A virtual private server (VPS) is a compromise between shared hosting and a dedicated server. The VPS product allows web hosts to combine the strengths of both hosting models in one, cost-efficient IaaS solution. We’ll take a closer look at this hosting solution, demonstrating how a virtual private server works, exploring the advantages and disadvantages of it, and deciding who the model is best...


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