How to restrict ip in Nginx?

Hi, I have two droplets. The first droplet is my frontend and the second is my backend. The first droplet use nginx as proxy reverse. So if client/browser access my site, the first droplet ccall the second droplet to retrieve data. I want to restrict my backend(It use Docker and nginx) by using nginx but i have an issue because it blocks all ips. This is my code: allow XXX.XX.XXX // frontend droplet ; deny all;

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Hi @dmm2019,

It seems you are on the right path to resolve this issue yourself. Having said that, you didn’t mentioned where you added the above rules.

To deny all access, except certain addresses, add a file named server.whitelist, with the following contents:

allow; # Allow a single remote host
deny all; # Deny everyone else

Regards, KDSys