搭建Nginx七层反向代理

基于https://www.cnblogs.com/Dfengshuo/p/11911406.html这个基础上，在来补充下七层代理的配置方式。简单理解下四层和七层协议负载的区别吧，四层是网络层，负载方式也就是IP+端口的方式负载，七层（应用层）协议的负载方式就是通过URL的方式来进行负载。这就是一个简单通俗的理解吧。

nginx安装方式再讲四层的时候已经说过了，这里就不再继续安装了。就直接上配置文件了

 #user  nobody;
 worker_processes  ;

 #error_log  logs/error.log;
 #error_log  logs/error.log  notice;
 #error_log  logs/error.log  info;
 #pid        logs/nginx.pid;
 events {
     worker_connections  ;
 }

 http {
     include       mime.types;
     default_type  application/octet-stream;
     #access_log  logs/access.log  main;
     sendfile        on;
     #tcp_nopush     on;
     #keepalive_timeout  ;
     keepalive_timeout  ;
     #gzip  on;
     server {
         listen       ;       #代理端口
         server_name  10.156.128.251;    #代理名称
         large_client_header_buffers  128k;
         client_max_body_size 300m;
         client_body_buffer_size 128k;
         proxy_connect_timeout ;
         proxy_read_timeout ;
         proxy_send_timeout ;
         proxy_buffer_size 64k;
         proxy_buffers    32k;
         proxy_busy_buffers_size 64k;
         proxy_temp_file_write_size 64k;
         #charset koi8-r;
         #access_log  logs/host.access.log  main;
         location / {
           # root   html;
             index  index.html index.htm;
             proxy_pass   http://10.156.128.201/;       #要跳转server的IP
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header Host $host:$server_port;

         }

         #error_page                /.html;

         # redirect server error pages to the static page /50x.html
         #
         error_page        /50x.html;
         location = /50x.html {
             root   html;
         }

         # proxy the PHP scripts to Apache listening on 127.0.0.1:
         #
         #location ~ \.php$ {
         #    proxy_pass   http://127.0.0.1;
         #}

         # pass the PHP scripts to FastCGI server listening on 127.0.0.1:
         #
         #location ~ \.php$ {
         #    root           html;
         #    fastcgi_pass   127.0.0.1:;
         #    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       ;
     #    listen       somename:;
     #    server_name  somename  alias  another.alias;

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

     # HTTPS server
     #
     #server {
     #    listen        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;
     #    }
     #}

 }

当然，笔者这份配置文件没有进行优化，只是实现了代理效果，自己也可以根据需求进行优化