nginx在绝大数的场景中我们使用其用于做web中间件或反向代理使用，但是nginx实际上也提供了正向代理的功能。下面我们来进行nginx正向代理配置操作，以便大家能够掌握nginx正向代理配置方法。

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第一步：获取nginx 正向代理模块

# git clone https://github.com/chobits/ngx_http_proxy_connect_module

第二步：下载nginx 源码包

# wget http://nginx.org/download/nginx-1.9.12.tar.gz

# tar xf nginx-1.9.12.tar.gz

第三步：通过补丁方法把上述下载的正向代理模块导入到nginx 模块存储目录

# cd nginx-1.9.12/

# patch -p1 < /root/ngx_http_proxy_connect_module/patch/proxy_connect.patch

第四步：编译安装nginx

# yum -y install openssl-devel zlib-devel prce-devel

# ./configure --add-dynamic-module=/root/ngx_http_proxy_connect_module

# make && make install

第五步：配置所允许通过代理主机的主机列表

# cat /usr/local/nginx/conf/client-allow.conf

allow 127.0.0.1;

allow 192.168.216.1;

allow 192.168.216.185;

第六步：修改nginx 配置文件

# cat /usr/local/nginx/conf/nginx.conf

#user  nobody;

worker_processes  1;

#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;

#pid        logs/nginx.pid;

load_module /usr/local/nginx/modules/ngx_http_proxy_connect_module.so; # 位置注意

events {

    worker_connections  1024;

}

http {

    include       mime.types;

    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

    #                  '$status $body_bytes_sent "$http_referer" '

    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;

    #tcp_nopush     on;

    #keepalive_timeout  0;

    keepalive_timeout  65;

    #gzip  on;

    server {

        listen       8080; # 代理端口

        resolver        119.29.29.29; # 域名解析服务器

        proxy_connect;

        proxy_connect_allow     443 563;

        proxy_connect_connect_timeout   10s;

        proxy_connect_read_timeout      10s;

        proxy_connect_send_timeout      10s;

        location / {

            proxy_pass  http://$host;

            proxy_set_header Host $host;

        }

        include client-allow.conf; # 主机白名单

        deny all; # 除了主机白名单中的主机，拒绝所有

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html

        #

        error_page   500 502 503 504  /50x.html;

        location = /50x.html {

            root   html;

        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80

        #

        #location ~ .php$ {

        #    proxy_pass   http://127.0.0.1;

        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

        #

        #location ~ .php$ {

        #    root           html;

        #    fastcgi_pass   127.0.0.1:9000;

        #    fastcgi_index  index.php;

        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

        #    include        fastcgi_params;

        #}

        # deny access to .htaccess files, if Apache's document root

        # concurs with nginx's one

        #

        #location ~ /.ht {

        #    deny  all;

        #}

    }

    # another virtual host using mix of IP-, name-, and port-based configuration

    #

    #server {

    #    listen       8000;

    #    listen       somename:8080;

    #    server_name  somename  alias  another.alias;

    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}

    # HTTPS server

    #

    #server {

    #    listen       443 ssl;

    #    server_name  localhost;

    #    ssl_certificate      cert.pem;

    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;

    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;

    #    ssl_prefer_server_ciphers  on;

    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}  

}

第七步：检查并启动nginx 服务

# /usr/local/nginx/sbin/nginx -t # 检查配置文件

# /usr/local/nginx/sbin/nginx #  启动服务

# /usr/local/nginx/sbin/nginx -s stop # 关闭  

# /usr/local/nginx/sbin/nginx -s reload # 重启加载配置文件

# ss -anput | grep ":8080" # 检查端口

第八步：被代理主机配置

 

 

   

第九步：被代理主机验证nginx 正向代理可用性

# ss -anput | grep ":8080"

tcp    LISTEN     0      128       *:8080                  *:*                   users:(("nginx",pid=19515,fd=6),("nginx",pid=19514,fd=6))

tcp    ESTAB      0      0      192.168.216.184:8080               192.168.216.185:35718               users:(("nginx",pid=19515,fd=11))

tcp    ESTAB      0      0      192.168.216.184:8080               192.168.216.185:35712               users:(("nginx",pid=19515,fd=3))

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