Nginx負載均衡與專用的php-fpm服務器

我用nginx + php-fpm和mysql獲得了服務器設置。我有另一臺服務器只安裝php-fpm，所以想用作負載平衡。但是當我用php-fpm作爲負載均衡器使用這個授權服務器時，打開頁面時出現錯誤：「拒絕訪問」。Nginx負載均衡與專用的php-fpm服務器

/etc/nginx/nginx.conf

user www-data; 
worker_processes 3; 

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

events { 
    worker_connections 1024; 
} 

http { 
    include  mime.types; 
    default_type application/octet-stream; 
    server_names_hash_bucket_size 64; 
    access_log /var/log/nginx/access.log; 

    sendfile  on; 
    #tcp_nopush  on; 

    keepalive_timeout 65; 
    tcp_nodelay   on; 

    #gzip    on; 

    upstream php { 
     server dedicatedserverip:9000; 
    } 

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

/etc/nginx/sites-enabled/site.org.conf

server { 
    listen 81; 
    server_name site.org www.site.org; 
    access_log /var/log/nginx/site.org.log; 
    error_log /var/log/nginx/site.org.log; 
    root  /home/www/site.org; 
    index  index.php; 

    location ~ .php$ { 
     fastcgi_pass php; 
     fastcgi_index index.php; 
     fastcgi_param SCRIPT_FILENAME /home/www/$fastcgi_script_name; 
    } 
}

爲什麼我得到這個錯誤？當我只將fastcgi_pass更改爲127.0.0.1:9000時 - 一切正常。

來源

2011-03-16 zion