whmadvanced | cPanel & WHM Documentation

Apache Module: FCGId

The mod_fcgid Apache module provides an alternative module to the mod_cgi Apache module.

Apache Module: HTTP2

The mod_http2 Apache module provides HTTP/2 support for the Apache HTTP server.

Apache Module: Lua

This module provides Lua hooks for httpd request processing.

Apache Module: MPM ITK

The mod_mpm_itk Apache module causes the Apache process to switch to the domain owner's user identifier (UID) and group identifier (GID) before it responds to the request.

Apache Module: Ruid2

The mod_ruid2 Apache module is a per-request module that allows a domain’s HTTP requests to run as the owner of that domain.

Apache vs. PHP-FPM Bottleneck with Child Processes

Apache servers that use the `prefork` MPM with fewer server instances than the maximum number of PHP-FPM child processes may experience performance issues. This document explains how to resolve this dependency issue.

AutoConfig and Autodiscover

The AutoConfigure (AutoConfig) and Autodiscover services quickly and easily configure a user's mail client to receive their cPanel email.

Calendar and Contacts Server Release Notes

This document provides the list of updated features for the Calendar and Contacts Server (CCS) plugin.

Configuration Values of PHP-FPM

This document lists the PHP-FPM system's configuration settings and their default values. This document also explains how to add additional settings to your system's PHP-FPM configuration.