nginx 真实ip

server {

listen       80;

server_name  localhost;

location /{

root   html;

index  index.html index.htm;

proxy_pass                  http://backend;

proxy_redirect              off;

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-For $http_x_forwarded_for;

}