Nginx代理配置只允许指定IP访问

location / {
    index index.jsp;
    proxy_next_upstream http_500 http_502 http_503 http_504 error timeout invalid_header;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $remote_addr;
    deny 192.168.1.1;
    allow 127.0.0.0/50;
    allow 173.56.0.0/25;
    allow 132.16.0.0/25;
    allow 12.170.0.0/25;
    deny all;
}