iptables tutorial –  rule sets for creating data packets
iptables tutorial: how to configure the filter tables of Linux kernels
  • Tools

Since the first version, Linux kernel has been implementing packet filter modules, with which filter tables can be created. However, additional programs such as iptables are required to configure the rule set. In our tutorial, we present the free software for the Linux kernel 2.4 and 2.6 and give you a little insight into how it all works.

iptables tutorial: how to configure the filter tables of Linux kernels
Snapchat followers: Get more with these Snapchat tips
Snapchat followers: How do I give my channel more range?
  • Social media

Snapchat is only accessible via an app. This can make it difficult to extensively promote your account’s content and gain more followers on Snapchat – especially if part of your target group isn’t already on Snapchat and has to first install the app to visit your channel. But while the promotion of social media channels on other platforms such as Facebook or Instagram is easier, there are several...

Snapchat followers: How do I give my channel more range?
Amazon SEO: Simple means to higher sales
Amazon SEO: Improve your Amazon ranking
  • Search engine marketing

Those who want to sell online often can’t avoid going to Amazon with their own online shop. The sales platform is one of the most important e-commerce magnets in the world, which is why good placement in the Amazon search results is highly competitive. Like classic search engine optimization, Amazon SEO has developed into an important success strategy for this reason. If you understand the...

Amazon SEO: Improve your Amazon ranking
Creating a logo: tips and helpful software
Create your own logo: tips for logo design
  • Web design

A logo serves as a figurehead for a company or a brand: it symbolizes the corporate identity and leads the target group to create a positive association between image and brand. As a result, every brand and every company should have a suitable logo. When creating your own logo, previous experience in image editing is not necessary – although it is very helpful when turning your concept into your...

Create your own logo: tips for logo design
Registering an emoji domain – does it make sense?
Registering an emoji domain – the way forward or just a gimmick?
  • Domain news

Emoji domains immediately catch your eye. Why continue to register normal domains when you can get the message across with a few smileys? Registering a smiley URL doesn’t come without its problems though. In this article, we explain what is needed to set up an emoji URL, and explain the advantages and disadvantages of using emoticons in domain names.

Registering an emoji domain – the way forward or just a gimmick?
Remote access for network storage
Remote access to the network storage
  • Configuration

Are you using a NAS system as a home server and want to connect it to the internet? It’s simple to do. We explain how to assign a fixed LAN IP address to your network storage and open the corresponding ports for the desired service in the router firewall. You will also learn how to make your NAS system permanently available under a consistent address despite daily disconnections carried out by the...

Remote access to the network storage
The best mock-up and wireframe tools
The best mock-up and wireframe tools
  • Website creation

Designers and developers put a lot of time and effort into creating a web project. During the journey from initial idea to finished product, there are many decisions to be made, plans to be devised, as well as there being the possibility of having to start all over again. Mock-ups and wireframes are important tools that can help in the early development phase when creating simple prototypes of...

The best mock-up and wireframe tools
MooTools: tools for class-based JavaScript
MooTools: the compact JavaScript framework
  • Web development

No programming language has made its mark quite like JavaScript. Developed in 1995 as a Java alternative for the netscape browser, you would be hard pushed to find a web application that doesn’t use this universal scripting language. However, critics rightly express concerns over the fact that JavaScript lacks a class system and the language is more unstructured than it should be. The MooTools...

MooTools: the compact JavaScript framework
Click fraud: how to out fraudulent clicks
How to protect yourself from click fraud
  • Online sales

Every year, click fraud costs the advertising industry billions. An increasing amount of advertising operators have to deal with the fact that their ads often don’t reach their intended targets due to artificially generated clicks through the likes of link farms or bot nets that seek to deplete advertising budgets. We take a closer look at the topic of click fraud and show you some counter...

How to protect yourself from click fraud
Growth hacking: creative growth strategies
Growth hacking: how to grow your company with smart and affordable ideas
  • Online sales

In order to get new products or services onto the market, it’s more important than ever before to carve out new, more creative paths to achieve this goal. While search engine optimization and social media marketing have since established themselves as indispensable components of any marketing mix, growth hacking is, for the most part, still in its infancy. This latter term refers to the principle...

Growth hacking: how to grow your company with smart and affordable ideas