The main purpose of Access Control, a major technique of network security prevention and protection, is to safeguard network resources from being illegally visited and used.
访问控制作为网络安全防范和保护的主要技术，主要任务是保证网络资源不被非法访问和使用。
Intrusion detection technique, which as a kind of solution of protecting network security, has been paid more and more attention by people.
入侵检测技术作为保护网络安全的一种解决方案，越来越受到人们的重视。
Data encrypting and data underwrite are key technique of solving the problem of network security.
数据加密和数字签名是解决网格安全问题的关键技术。
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