将 http://img.whosemind.net/ 设为 http://dl.dropbox.com/u/6877098/ 代理的 nginx 配置

img.whosemin.net.conf

server {
    listen       80;
    server_name  img.whosemind.net;

    location / {
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_pass http://dl.dropbox.com/u/6877098/;
        proxy_redirect off;
    }
}