HTTP

HTTP 400 Bad Request | finding the causes

HTTP 400 Bad Request | finding the causes

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.

What does the '404 Not Found' error mean?

What does the '404 Not Found' error mean?

How often have you stumbled upon a dead end while surfing the net? HTTP 404 error pages are commonplace online to inform users that the requested page isn’t available. As well as being annoying for visitors, they spell bad news for website owners since a dead link may have a bad influence on a website’s search engine ranking. In this article, we’ll demonstrate the importance of 404 pages and...

HSTS: Reliably secure your HTTPS connections

HSTS: Reliably secure your HTTPS connections

HTTPS, the network protocol for TLS-encrypted data transfer online can be circumvented in some cases. The danger is that encrypted websites can be accessed via unencrypted HTTP. But the HTTPS extension HSTS (HTTP Strict Transport Security) forces website access via TLS encryption, closing the security gaps that hackers like to use to intercept the HTTPS connection during transport using...

What is a server? One term, two definitions

What is a server? One term, two definitions

When talking about web hosting, it is impossible to avoid the term ‘server’. So what is a server? And how does it work? In IT, there are actually two definitions of the term. The traditional server is the software for network services, but more recently the word has also been used to describe the corresponding hardware used to carry out server programs. Here is our overview of the most common...

QUIC – the Internet Transport Protocol based on UDP

QUIC – the Internet Transport Protocol based on UDP

Quick UDP Internet Connections (QUIC for short), is an experimental network protocol from Google. Further development of the protocol is being driven by IETF, which has set up a dedicated group working towards it. The QUIC protocol is intended to offer a speed-optimized alternative to the current transport standard TCP and builds on the connectionless protocol UDP to achieve this.

NGINX vs. Apache: A web server comparison

NGINX vs. Apache: A web server comparison

Apache vs. NGINX – while one is said to be bulky and unwieldy, the other is considered slim and high-performance. But can we be this general? In fact, both web servers are based on fundamentally different concepts when it comes to connection management, interpretation of client requests, or configuration options. The range of functions also display clear differences in software alignment. While...

What does ‘502 bad gateway’ mean?: Explanation and solution

What does ‘502 bad gateway’ mean?: Explanation and solution

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...

The ten best .htaccess tricks

The ten best .htaccess tricks

Are you the webmaster of an Apache server? Then you should definitely use .htaccess. This text-based configuration file is an easy outlet for changing server settings. Once you know how to create a file and use a few .htaccess tricks, you can begin configuring your sever.

How HTTP/2 optimizes the World Wide Web

How HTTP/2 optimizes the World Wide Web

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?

Chrome 56: changes to make the web safer

Chrome 56: changes to make the web safer

For two years now, Google has been actively promoting SSL encryption for websites. The search engine giant started acknowledging data transfer protection as a ranking factor in 2014, but now wants to go one step further. Users of Google’s browser, Chrome, will soon be actively warned about websites with unsafe data exchanges. This articles explains what the planned changes are and which...