HTTP status codes emerge when something isn’t running properly on the internet. In this respect, the 502 Bad Gateway error is no exception. But this familiar error message can be particularly tricky: It’s not actually clear where the source of the problem lies. In the chain of gateways along which internet requests run, the error could occur at a number of different points. This article explains...
It’s very likely that you’ve stumbled on the 'HTTP Error 503 The service is unavailable' notification or something similar during your daily browsing. The error message appears whenever a web server can’t display the website that the user is trying to access. There are many reasons for these notifications, just as there are many solutions. It’s your responsibility as the website operator to...
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 server, i.e. a gateway, which is integral to the path of communication. What does 504 gateway timeout mean? How can you fix...
Data transmission via SSL/TLS is one of the most effective means to give a web project more security. Even before packets are sent, powerful algorithms ensure the encryption of the information. If third parties capture the data on the transmission path, the true content remains hidden from them. However, it becomes problematic if attackers are active with their tools, even before the encryption...
Is your browser displaying an http error 403 instead of the web page you requested? This means that the web server has not granted you access to that page. The reason for this differs from case to case; sometimes the website operator as secured this area from being accessed but sometimes it’s simply a case of adjusting your browser settings. This article outlines the various causes of the http...
HTTP/2 has been released and is the official successor of the internet protocol HTTP/1.1. It is already compatible with many current web browsers and servers. Up to this point, many of the bigger website operators have switched to using the new transfer protocol. But what lies behind the Hyper Transfer Protocol and what are the advantages of the new version?
A rewrite engine is a component of the web server software that allows website operators to internally rewrite URLs or to redirect them to external URLs. The most popular rewrite engine is mod_rewrite for the Apache HTTP server, but other web servers also offer similar functions. We show you how URL rewriting works in different web servers.
Google Chrome, Mozilla Firefox, Apple Safari, Opera, or good old Internet Explorer? The debate about which web browser is number one has been going on for years among the internet community. But what is a browser exactly? And is there one in particular that can trump the competition and truly be the best browser?
If you want to release a new web project today, you need to find the right host. Hosts have become a popular alternative for large companies, since they enable convenient outsourcing of certain work areas or data, saving company resources. But how do you know which host and which hosting package best meets your needs? And why is the provider’s security concept such a crucial criterion nowadays?
Did you encounter the word 'quota' from your web space provider or as part of mail hosting and wonder what is it? When does this storage limit come into play? We show you when and why quotas are used and how to differentiate between the different types.
