网络信息安全与防范

网络是计算机技术和通信技术的产物,在国防、电信、银行、广播等方面都有广泛的应用。其安全性是不可忽视的,网络安全主要是由于TCP/IP协议的脆弱、网络结构的不安全、易被窃听和缺乏安全意识等原因造成的,网络入侵者主要通过破译口令、IP欺骗和DNS欺骗等途径攻击网络。防范措施主要通过防火墙技术和数据加密技术来完成。

Network information security and guard

The network is the computer technology and the communication product,in aspect and so on national defense, telecommunication, bank,broadcast all has the widespread application. Its security is noticeable, the network security mainly is because theTCP/IP agreement frail, the network architecture is unsafe, is easilyintercepted and lacks reason and so on safe consciousness creates, thenetwork intruder mainly through breaks a code way attack network andso on the password, IP deceit and DNS deceit. The guard measure mainly completes through the firewall technology andthe data encryption technology.