在网关中使用Nginx配置HTTP透明代理案例

sudo iptables -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j DNAT \
--to-destination 网关IP:端口

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    keepalive_timeout  65;

    server {
        listen       8000;
        server_name  localhost;

        resolver 8.8.8.8;

        location /test {
            proxy_pass http://hev.cc/sftp/files/;
            proxy_buffers 256 4k;
            proxy_max_temp_file_size 0k;
        }

        location / {
            # 包含关键词 '计算机' 重定向至 /test
            rewrite ^.*计算机.*$ /test last;

            # 通用透明代理
            proxy_pass $scheme://$host$request_uri;
            proxy_set_header Host $http_host;
            proxy_buffers 256 4k;
            proxy_max_temp_file_size 0k;
        }
    }

    # 匹配 *.baidu.com 域名
    server {
        listen       8000;
        server_name  *.baidu.com;

        location / {
            root   html;
            index  index.html index.htm;
        }
    }
}