I can't use nodejs/expressjs to get the client IP address behind a Digital Ocean Loadbalancer when using "req.headers['x-forwarded-for'];".

I cannot use nodejs with expressjs to get the client IP address (enabled with ssl) behind a Digital Ocean Loadbalancer when using “req.headers[‘x-forwarded-for’];”.

To manage the droplet I use “dokku” witch installs “nginx”.

How can I get the real client IP address behind a Digital Ocean Loadbalancer with a SSL connection?

Please help me.

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Accepted Answer

I have found the error that makes “dokku” in the configuration of nginx.

You must replace proxy_set_header X-Forwarded-For $remote_addr;

TO proxy_set_header X-Forwarded-For $http_x_forwarded_for;

in the following file: /home/dokku/yourappname/nginx.conf

I hope this helps someone else as well.

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