# Proxy Server | ![img \|150](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Proxy_concept_en.svg/320px-Proxy_concept_en.svg.png) | In computer networking, a **Proxy Server** is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. It improves privacy, security, and performance in the process. | | --------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | wikipedia:: [Proxy server](https://en.wikipedia.org/wiki/Proxy_server) | aka:: Forward proxy ## Example Proxy Server Functions - Forward Proxy - X client trying to get to Z server via Y proxy server, maybe to avoid being blocked or for anonymity like TOR - [[Reverse Proxy]] - [[Web Cache]] - [[Gateway (telecommunications)]] - filtering (like an antivirus scan, parental controls, - [[Load balancing, high availability, fault tolerance, & redundancy|Load balancing]] - [[Identity, Authentication, & Authorization|Authentication]] - [[Logging]] - [[SOCKS]] ## Tools - [[Privoxy]] - [[Caddy (web server)|Caddy]] - [[Nginx Proxy Manager]] - [[HAProxy]] - [[Traefik]]