Nginx反向代理后端多个Tomcat、Nginx+PHP服务器（Nginx的代理和负载功能）

Domain1：www.huangming.org     IPADDR：192.168.1.33:80

Domain2：web1.huangming.org    IPADDR：192.168.1.33:8080

Domain3：web2.huangming.org    IPADDR：192.168.1.33:8080

http {

    include vhosts/*.conf;

......

upstream bbs {  ;负载均衡配置

    ip_hash;
    server 192.168.1.231:80 weight=1 max_fails=3 fail_timeout=30s;
    server 192.168.1.232:80 weight=1 max_fails=3 fail_timeout=30s;
    }

server {    ;此server代理Domain1:www.haungming.org

    listen      80;

    server_name www.huangming.org huangming.org 192.168.1.33;

    index index.html index.htm index.php index.jsp;

    server_tokens       off;

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

    location / {

        proxy_pass http://bbs;

        proxy_set_header Host $host;

        proxy_set_header X-Real-IP $remote_addr;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_next_upstream http_500 http_502 http_503 error timeout invalid_header;

        proxy_buffering on;

        proxy_redirect off;

        proxy_connect_timeout 300s;

        proxy_send_timeout 300s;

        proxy_read_timeout 300s;

        proxy_buffer_size 64k;

        proxy_buffers 4 64k;

        proxy_busy_buffers_size 64k;

        proxy_temp_file_write_size 64k;

        proxy_max_temp_file_size 1024m;

    }

}

server {    ;此server代理Domian2:web1.huangming.org

    listen      80;

    server_name web1.huangming.org;

    index index.html index.htm index.jsp;

    server_tokens       off;

    access_log  /var/log/nginx/web1.access.log main;

    location / {

        proxy_pass http://192.168.1.231:8080;

        proxy_set_header Host $host;

        proxy_set_header X-Real-IP $remote_addr;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_next_upstream http_500 http_502 http_503 error timeout invalid_header;

    }

}

server {    ;此server代理Domain3:web2.huangming.org

    listen      80;

    server_name web2.huangming.org;

    index index.html index.htm index.jsp;

    server_tokens       off;

    access_log  /var/log/nginx/web2.access.log main;

    location / {

        proxy_pass http://192.168.1.232:8080;

        proxy_set_header Host $host;

        proxy_set_header X-Real-IP $remote_addr;

        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_next_upstream http_500 http_502 http_503 error timeout invalid_header;

    }

}

}

http {

......

    log_format  main  '$HTTP_X_REAL_IP - $remote_user [$time_local] "$request" '

                      '$status $body_bytes_sent "$http_referer" "$request_time"'

                      '"$http_user_agent" $HTTP_X_Forwarded_For';

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