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随着因特网的迅猛发展、网络规模的扩大和网络攻击方法的复杂,安全需求与日俱增。网络安全是动态的系统工程,单一的安全产品由于其功能局限性已不能满足网络安全的需要,由防火墙、人侵检测系统、安全漏洞扫描和防病毒等多种网络安全产品构成的安全体系,基于满足网络不同层面的安全需求,形成了一个为业界所共识的网络安全整体解决方案。
With the rapid development of the Internet, the expansion of the network scale and the complexity of the methods of network attacks, security requirements are constantly increasing. Network security is a dynamic system engineering. Because of its limited function, a single security product can not meet the needs of network security. The security system consists of many network security products such as firewall, intrusion detection system, security vulnerability scanning and anti-virus, Based on meeting the security requirements of different levels of the network, an overall network security solution for the industry has been formed.