What's a Reverse Proxy ?

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It's a type of proxy server that retrieves resources on behalf of a client from one or more servers.

These resources are then returned to the client as if they originated from the proxy server itself.

Reverse proxy hides the backend app servers by webserver from client browser

A reverse proxy taking requests from the Internet and forwarding them to servers in an internal network. Those making requests to the proxy may not be aware of the internal network.