LiteSpeed Knowledgebase

HTTP/3 is a relatively new protocol and is currently only supported by a limited number of browsers. Here are some examples:Google Chrome supports HTTP/3 since version 86 Mozilla Firefox has supported HTTP/3 since version 89 Apple Safari does not currently support HTTP/3...

With ESI you can decompose an entire page and treat the parts differently.LiteSpeed Web Server allows you to store content in either a public cache or a private cache.Combine these two elements and you get something very powerful. You get a system that can split a page into public and...

CageFS (Cage File System) is a virtualized file system and a security feature used in web hosting environments. It is used to encapsulate each user's file system, creating a virtual environment that is isolated from other users on the same server. This helps to improve security by preventing...

Brute-force protection for wp-login.php is a security measure implemented by some web servers, such as LiteSpeed, to protect WordPress websites from brute-force attacks on the wp-login.php page. Brute-force attacks involve trying various username and password combinations until the attacker finds...

Load balancing is the process of distributing network traffic across multiple servers or network resources to optimize resource utilization, maximize throughput, minimize response time, and ensure high availability of applications or services. It is used to balance the workload of servers to...

CloudLinux PHP Selector is a tool that allows users to select and switch between multiple PHP versions and configurations on a single server. It enables web hosts to provide their clients with the ability to choose the PHP version and modules that suit their website requirements. The PHP Selector...

Node.js Selector is a feature in some hosting control panels that allows users to select and manage different versions of Node.js for their websites or applications. It provides an easy way to install, switch, and manage Node.js versions, modules, and packages on a per-domain or per-directory...

Checkpoint/Restore In Userspace (CRIU) is a tool that allows the checkpointing and restoration of Linux processes. It allows the user to save the state of a running application, including open files, network connections, and process memory. This saved state can then be used to restart the...

Cutting-edge HTTP/3 support refers to the ability of a web server or a web application to handle the new HTTP/3 protocol. HTTP/3 is the third version of the Hypertext Transfer Protocol (HTTP), which is used to transfer data over the internet. It is the successor to HTTP/2 and is designed to...

An Apache drop-in replacement is a web server software that is designed to be fully compatible with Apache HTTP Server but provides additional features and improved performance. Essentially, it is a software that can replace the Apache server with little to no configuration changes needed. The...