迅速发展的Internet给人们的生活、工作带来了巨大的方便,人们可以坐在家里或办公室通过Internet收发电子邮件、打电话、网上聊天、进行网上购物、银行转帐等等.正因为网络的开放性,给黑客攻击企业内部数据等机密文件提供了方便.为了保护内部数据,在工作期间禁止用户上互联网的硬件和软件很多,其中ISA Server就是其中最安全也最简单的路由级网络防火墙之一.%The rapid development of the Internet to people's lives,the work has brought great convenience,people can sit at home or office through the INTERNET e-mail,phone calls,online chat,online shopping,bank transfer,etc.,precisely because of the opening of the network sex.To hacker attacks,internal data and other confidential documents provided for convenience.Prohibited during working in order to protect the internal data users on the Internet hardware and software,in which the ISA Server is one of the safest and easiest route level one of the network firewall.
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