Squid is a robust proxy server that supports caching for protocols like HTTP, HTTPS, and FTP. It has the ability to speed up web requests by caching frequently accessed websites, and serving that cache to requesting clients. This is a great way for networks to reduce bandwidth consumption and provide snappier response times for web browsing.
This is a companion discussion topic for the original entry at https://linuxconfig.org/squid-proxy-configuration-tutorial-on-linux