nginx反向代理，负载转发配置

#user  nobody;
worker_processes  1;

events {
    worker_connections  1024;
}


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

    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;

    #gzip  on;
    #负载 这里以同一个服务器的四个server为例
    upstream rxxxcluster{
            ip_hash;  #ip_hash 是解决不同端口应用session不共享的最直接的方法，虽然负载效果不一定佳
            server 172.19.105.102:7003 max_fails=3 fail_timeout=15s;
            server 172.19.105.102:7005 max_fails=3 fail_timeout=15s;
            server 172.19.105.102:7007 max_fails=3 fail_timeout=15s;
            server 172.19.105.102:7009 max_fails=3 fail_timeout=15s;
    }
    server {
    #访问地址 xxxx:9001
        listen       9001;
    #个人发现没有用到
        server_name  localhost;

        location / {
            proxy_pass http://rxxxcluster;                #访问9001端口相当于访问上面配置的四个服务
        #proxy_set_header 表示nginx把客户端的实际信息替换反向代理默认传到后台的内容，能解决应用通过request获取出错的情况
            proxy_set_header Host $host:$remote_port;     #让应用获取到的ip和端口是实际的而不是nginx代理的
            proxy_set_header X_Real_IP $remote_addr;      #同上
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;#同上
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }


    # HTTPS server
    # 配置https负载和反向代理
    server {
        listen       9002;
        server_name  scsbzxh.com;
        ssl on;
        ssl_certificate      sslkey/scsbzxh.com_bundle.crt;  #证书地址
        ssl_certificate_key  sslkey/scsbzxh.com_RSA.key;     #证书地址2
        ssl_session_timeout 5m;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_ciphers AESGCM:ALL:!DH:!EXPORT:!RC4:+HIGH:!MEDIUM:!LOW:!aNULL:!eNULL;
        ssl_prefer_server_ciphers on;
        location / {
            proxy_pass http://rxsccluster; #特别留意，这里是http
            proxy_set_header Host $host;
            proxy_set_header X_Real_IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }

}