What is Apache?

What is Apache?

Apache is an open-source and web server software that powers more than 40% of websites around the world. The official name is Apache HTTP Server, and it’s maintained and developed by the Apache Software Foundation.

It’s one of the oldest and most reliable web servers, with the first version released more than 20 years ago, in 1995.Apache is a cross-platform software, therefore it works on both Unix and Windows servers.

When someone wants to visit a website, they enter a domain name into the address bar of their browser. Then, the web server delivers the requested files by acting as a virtual delivery man.

Many websites uses Apache in parallel with NGINX, which is another popular web server software. 

The biggest challenge of a web server is to serve many different web users at the same time — each of whom is requesting different pages. Web servers process files written in different programming languages such as PHP, Python, Java, and others. 

How Does Apache Web Server Work?

Apache is not a physical server, but rather a software that runs on a server.
Its job is to establish a connection between a server and the browsers of website visitors (Firefox, Google Chrome, Safari, etc.) while delivering files back and forth between them (client-server structure).

When a visitor wants to load a page on your website, for instance, the homepage or your “About Us” page, their browser sends a request to your server and Apache returns a response with all the requested files (text, images, etc.). The server and the client communicate through the HTTP protocol and Apache is responsible for the smooth and secure communication between the two machines. 


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