wordpress reverse proxy headers

When put wordpress blog behind a reverse proxy (e.g. nginx), some headers have to be setup:

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header HTTP_X_FORWARDED_PROTO $scheme;