Are you still transferring your data online over an unencrypted connection via FTP (File Transfer Protocol)? WinSCP offers a comfortable and secure alternative to the current FTP client programs for the operating system, Windows. The encrypted network connection is based on the implementation of Secure Shell (SHH) and enables a fast data transfer via SCP (Secure Copy) and the flexible remote...
Chrome has recently become the most widely used browser in the world. However, this Google application is just as helpless as its competitors Firefox, Opera and Safari when it comes to technical problems on the server or client side. For example, if the domain name cannot be resolved by the DNS, Chrome will simply display the error message “ERR_NAME_NOT_RESOLVED”. In the following article, you...
There are plenty of models for processing and storing large quantities of data. However, conventional databases with their rigid tabular structures quickly reach their limits when modeling complex relationships. So-called ‘graph databases’ have proven themselves to be particularly efficient for dealing with intensely interconnected data. But what exactly can they do?
Security support for PHP 5.6 ceases at the end of the year. Although developers had already postponed the end date by a year, many website operators still seem to be unprepared. A large number of websites still run on PHP 5.6. From January onwards, these websites will be at risk. However, many are dreading the update. How can you protect your website?
Without the Domain Name System, the internet as we know it today would be inconceivable. The system for name resolution itself, is based on DNS records. In these simply structured records in normal text files, a name is stored for each IP address. However, DNS records can do more than this. Also known as resource records, various types of them exist.
HTTP is indispensable as a mediator between the browser and web server: Both communicate with each other using the transmission protocol on the application layer by sending various types of messages. With an HTTP request, for example, the browser can request a resource or return its own data to the server. If one of these HTTP methods doesn’t work, error 405 (Method Not Allowed) occurs. But what...
Permanent availability is one of the most important things when it comes to a website. However, even the best technical conditions do not offer a 100% guarantee that a website will constantly run smoothly. Connection errors like HTTP error 408 regularly present websites with minor and major difficulties, especially since the causes are often found on the client side. Our guide looks at the causes...
Databases are a fundamental part of our information society today. They organize electronic data and regulate access to it. Databases have a wide range of applications, both commercial and private. Each database system has a database management system based on a specific database model. While the history of the database began with the hierarchical model, today the relational database model is the...
Optimizing your website on all devices and browsers serves is an important badge of quality for both users as well as search engines. Due to the sheer amount of different web browsers, this aspect of optimization is often overlooked. Cross browser testing tools analyze how your website is displayed in different browsers, identify problematic codes, and support you with optimization.
Internet users are often confronted with error messages. HTTP status codes can be especially annoying, and even more so if you don’t understand what they mean. The message 'HTTP 400 – Bad Request' is a mystery for many internet users, but luckily it can be solved in most cases. We explain what the error message means and how to fix the error.
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