NGINX实现反向代理

一、安装NGINX

略，请自行百度，GOOGEL

二、配置文件
1.由上面的步骤，我们看到配置文件放置在/etc/nginx/目录下:
主要配置文件：/etc/nginx/nginx.conf
扩展配置文件：/etc/nginx/conf.d/*.conf

user www-data;

worker_processes ;

pid /var/run/nginx.pid;

events {

    worker_connections ;

    # multi_accept on;

}

http {

    ##

    # Basic Settings

    ##

    sendfile on;

    tcp_nopush on;

    tcp_nodelay on;

    keepalive_timeout ;

    types_hash_max_size ;

    # server_tokens off;

    # server_names_hash_bucket_size ;

    # server_name_in_redirect off;

    include /etc/nginx/mime.types;

    default_type application/octet-stream;

    ##

    # Logging Settings

    ##

    access_log /var/log/nginx/access.log;

    error_log /var/log/nginx/error.log;

    ##

    # Gzip Settings

    ##

    gzip on;

    gzip_disable "msie6";

    # gzip_vary on;

    # gzip_proxied any;

    # gzip_comp_level ;

    # gzip_buffers  8k;

    # gzip_http_version 1.1;

    # gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

    ##

    # nginx-naxsi config

    ##

    # Uncomment it if you installed nginx-naxsi

    ##

    #include /etc/nginx/naxsi_core.rules;

    ##

    # nginx-passenger config

    ##

    # Uncomment it if you installed nginx-passenger

    ##

    #passenger_root /usr;

    #passenger_ruby /usr/bin/ruby;

    ##

    # Virtual Host Configs

    ##

    include /etc/nginx/conf.d/*.conf;

    include /etc/nginx/sites-enabled/*;

}

主配置文件的末尾，加载所有扩展配置文件里面以.conf结尾的文件。所以我们不要修改主要配置文件（不需要修改），用户配置都放到了/etc/nginx/conf.d/目录下，里面默认有两个配置文件，一个普通的配置，一个是ssl配置。

2.为一个域名配置一个文件(文件名任意，以.conf结尾即可)
#cd /etc/nginx/conf.d/
#vim www.test.com.conf
把内容修改如下：
---------------------------------------------------------------------------
server {
listen 80;
server_name www.test.com;

charset utf8;
access_log /var/log/nginx/www.test.com.access.log main;

location / {
        proxy_pass       http://192.168.1.20:80;
        proxy_set_header Host      $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}
---------------------------------------------------------------------------

3.重启nginx服务，检查配置文件并生效（nginx -t）
#service nginx restart

4.如果没出意外，你应该已经成功实现Nginx反向代理服务了！

三、其他帮助
1.帮助命令
2.官方帮助文档：http://nginx.org/en/docs/

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NGINX实现反向代理

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