安全企业网络设计原理 第一部分

“This presentation provides a tit for tatdescription of a fictional electronic war between an irritable yetdetermined cracker and an overworked, but wellfunded, IT staff. Any similarities to yourcurrentenvironment is purely coincidental.
Cisco does not recommend such reactionarysecurity design. Rather we suggest youattend thesecond session in this series for a systematicapproach to the network security problem.”The Authors at Cisco Systems