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网络攻击是指利用对方网络系统的安全缺陷,为窃取、修改、伪造 或破坏信息,降低、破坏网络使用效能而采取的各种措施和行动。攻击对象主要包括计算机硬件、传输介质、网络服务和信息资源。网络攻击技术大致可分为: (1)信息收集型攻击。这种攻击并不对目标本身造成危害,只是前奏,为进一步入侵提供有用的信息。主要包括:①扫描技术(地址扫描和端口扫描)。使用命令或软件来探测目标主机是否存在以及开放了哪些服务端口。②体
Network attack refers to the use of each other’s network security flaws, in order to steal, modify, forgery or destruction of information, reduce, destroy the effectiveness of the use of the network and take various measures and actions. The targets of attacks mainly include computer hardware, transmission media, network services and information resources. Network attack technology can be broadly divided into: (1) information-gathering attacks. This attack does not jeopardize the target itself, but is a prelude to providing useful information for further invasion. Include: ① scanning technology (address scanning and port scanning). Use commands or software to detect if the target host exists and which service ports are open. ② body