7 terms
Apache is the open-source Apache HTTP Server, a modular web server that serves static files, runs dynamic applications and acts as a reverse proxy.
Caddy is an open-source web server and reverse proxy written in Go, known for automatic HTTPS with certificate management built into its core.
FastCGI is a binary protocol that lets web servers pass requests to persistent application processes, such as PHP-FPM, instead of starting one per request.
Nginx is an event-driven open-source web server and reverse proxy that serves static files, terminates TLS and balances traffic to application servers.
OpenLiteSpeed is the open-source, event-driven edition of LiteSpeed Web Server, known for fast PHP handling through LSAPI and built-in page caching.
PHP-FPM is the FastCGI process manager that runs pools of PHP worker processes behind a web server such as Nginx, Apache or Caddy.
A web server is software that accepts HTTP requests from browsers and other clients and returns web pages, files or responses from applications.