一.下载squid for windows
  二.安装与配置
      1.解压squid-2.6.STABLE6-NT-bin.zip到C:\squid
      2.单击[开始]，选择“运行”，输入 cmd ，在命令提示符窗口内输入以下命令:
      C:\>cd c:\squid\etc 
      C:\squid\etc>copy squid.conf.default squid.conf     
                   **将Squid的默认配置文件复制一份并起名为squid.conf 
      C:\squid\etc>copy mime.conf.default mime.conf  
                    **将mime.conf.default复制一份并起名为mime.conf
      3.编辑squid.conf,根据需要添加和修改以下内容
      http_port 3128                 ;定义squid监听端口
      visible_hostname tianwei-itrus :定义机器名
      cache_mem 64 MB                ;定义代理服务器缓存 
      acl all src 0.0.0.0/0.0.0.0  
      acl manager proto cache_object
      acl localhost src 127.0.0.1/255.255.255.255  :定义本地网络为localhost
      acl outnetwork  192.168.10.0/255.255.255.0  
      acl SSL_ports port 443  
      acl Safe_ports port 80  # 定义http端口
      acl Safe_ports port 21  # 定义ftp端口
      acl Safe_ports port 443  # https
      acl Safe_ports port 70  # gopher
      acl Safe_ports port 210  # wais
      acl Safe_ports port 1025-65535 # unregistered ports
      acl Safe_ports port 280  # http-mgmt
      acl Safe_ports port 488  # gss-http
      acl Safe_ports port 1863  # filemaker
      acl Safe_ports port 777  # multiling http
      acl CONNECT method CONNECT
      http_access allow localhost manager
      http_access allow outnetwork
      icp_access allow all
      http_access deny !Safe_ports
      http_access deny CONNECT !SSL_ports
      http_reply_access allow all
      icp_access allow all
      http_access deny all
   三.启动
      c:\>cd c:\squid\sbin
      C:\squid\sbin>squid -i (注册Squid为Windows的服务)
      C:\squid\sbin>squid -z (生成高速缓存的目录) 
      C:\squid\sbin>squid