A web server is a software process that runs on a host computer connected to the Internet to respond to HTTP requests for documents from client web browsers. It processes incoming network requests over HTTP and other related protocols, delivering web pages to clients, typically web browsers.

Types of Web Servers

Web servers are essential for delivering web content to users. Different types of web servers offer unique features and benefits, catering to various needs and preferences. Here are some common types:

• Apache: Known for its flexibility and wide adoption.

• Nginx: Recognized for its high performance and low resource consumption.

• IIS: Integrated with Windows Server and known for its ease of use in Windows environments.

• LiteSpeed: Known for its speed and efficiency, often used in hosting environments.

Key Functions of a Web Server

Web servers perform several key functions essential for delivering web content. They handle HTTP requests from client browsers, serving web pages and managing data exchanges. Additionally, web servers manage resources like images and scripts, ensuring smooth content delivery.

Security is another critical function, protecting data from unauthorized access and attacks. Web servers use various protocols and technologies, such as SSL certificates and HTTPS, to secure data. These measures help maintain website performance and reliability.

Web Server Security Essentials

Web server security is crucial for protecting sensitive data and ensuring reliable website performance.

• Access Control: Restricts access to authorized users only.

• Encryption: Secures data transmission to prevent interception.

• Regular Updates: Keeps the server protected against vulnerabilities.

Choosing the Right Web Server

Choosing the right web server involves understanding the key differences between them.

• Performance: Apache is known for its flexibility and wide adoption, while Nginx excels in high performance and low resource consumption.

• Ease of Use: IIS integrates seamlessly with Windows Server, making it user-friendly for Windows environments, whereas LiteSpeed is favored for its speed and efficiency in hosting environments.