Problem with VPN IP address and Nginx

[wolfy]

Hi all !

When i use OpenVPN, my remote ip address detected by Nginx (not used on
reverse proxy) is different than Apache (standalone, just for test), or
http://whatismyipaddress.com, the ip detected by Nginx is my real ip
address, not the IP address of my VPN, so i cannot use allow/deny function
correctly.

Could you please help me ? 

My nginx.conf :

user  www-data www-data;
worker_processes 2;
events {
    worker_connections  1000;
}
http {
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    gzip  on;
    gzip_http_version 1.0;
    gzip_comp_level 2;
    gzip_proxied any;
    gzip_min_length  1100;
    gzip_buffers 16 8k;
    gzip_types text/plain text/css application/x-javascript text/xml
application/xml application/xml+rss text/javascript image/gif image/jpeg
image/png;
    gzip_disable "MSIE [1-6].(?!.*SV1)";
    gzip_vary on;
server_tokens off;
        include /etc/nginx/conf.d/*.conf;
        include /etc/nginx/sites-enabled/*;
}

My vhost's :

server {
        server_name XXX.tld;
        root /var/www/selfoss;
 listen 443;
        ssl on;
        ssl_certificate     /etc/nginx/mycert.crt;
        ssl_certificate_key /etc/nginx/mykey.key;
        index index.php;
        access_log /var/log/nginx/selfoss-access.log;
        error_log /var/log/nginx/selfoss-error.log;

location / {
allow XX.XX.XX.XX;
deny all;
try_files $uri /public/$uri /index.php$is_args$args;
        }
    location ~* \ (gif|jpg|png) {
        expires 30d;
    }

    location ~ ^/favicons/.*$ {
        try_files $uri /data/$uri;
    }

    location ~* ^/(data\/logs|data\/sqlite|config\.ini|\.ht) {
        deny all;
    }

    location ~ \.php$ {
        client_body_timeout 360;
        send_timeout 360;
        include /etc/nginx/fastcgi_params;
        fastcgi_pass 127.0.0.1:9000;
        fastcgi_intercept_errors on;
    }
}


Thanks

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,240709,240709#msg-240709