# Proxy

A proxy server is an intermediary piece of hardware/software sitting between the client and the backend server. It receives requests from clients and relays them to the origin servers. Typically, proxies are used to filter requests, log requests, or sometimes transform requests (by adding/removing headers, encrypting/decrypting, or compression).

Visit the following resources to learn more:

- [@roadmap.sh@Proxy Servers](https://roadmap.sh/guides/proxy-servers)
- [@article@Proxy - System Design](https://dev.to/karanpratapsingh/system-design-the-complete-course-10fo#proxy)