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网络技术的迅猛发展,使网络安全问题越来越突出,安全,是网络的生存之本,网上信息的安全和保密尤为重要。物理安全策略、系统安全策略、应用安全策略是保护网络安全的主要措施。
The rapid development of network technology makes network security problems more and more prominent. Security is the basis for the survival of the Internet. The security and confidentiality of online information are particularly important. Physical security policy, system security policy, application security policy are the main measures to protect the network security.