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防火墙可以帮助计算机抵御恶意用户和众多计算机病毒及蠕虫的攻击。它可以为直接连接到Internet的计算机提供保护。在Windows XP SP2 中启用Win
Firewalls can help protect computers against malicious users and numerous computer viruses and worms. It can provide protection for computers that are directly connected to the Internet. Enable Win in Windows XP SP2