Abstract: Router security is very important in computer networks. This paper focuses on Cisco routers which are the broadest used, describes the basics of IOS which runs in Cisco routers, then based on the principle of buffer overflow, describes a method of buffer overflow attack in Cisco IOS, and presents the defense methods against this kind of attack.

Key words: network security, router, buffer overflow

摘要：

路由器安全在网络安全领域占有非常重要的地位，该文针对互联网中使用最为广泛的Cisco路由器，介绍Cisco IOS的基础特性，从缓冲区溢出的原理出发，阐述一种利用IOS缓冲区溢出漏洞远程攻击路由器的方法，提出针对该类攻击的防护措施。

关键词: 网络安全, 路由器, 缓冲区溢出

CLC Number: 

• TP393.08