目前许多企业,单位或部门机构准备将其专用网络(如企业内部Intranet)连接到像Internet这样的公用网来。安全问题就成为首要问题,本文主要介绍计算机网络在互联时用于安全访问控制的防火墙技术。一、　Internet/Intranet防火墙基本概念Internet/intranet的防火墙(Firewall)是针? At present, many enterprises, units or departmental agencies are prepared to connect their private networks (such as Intranet) to public networks like the Internet. Security issues have become the primary issue, this article focuses on the computer network in the Internet for security access control firewall technology. First, the basic concepts of Internet / Intranet firewall Internet / intranet firewall (Firewall) is a needle?