PPT Slide

Overview

Network-based Intrusion Detection

Some Problems with NIDS*

Switching Hubs -- Where do I put my LAN-based IDS?

Multiple Routes Inside the Enterprise Network

Multiple Routes into the Enterprise Network

Multiple Routes into the Enterprise Network ( ɭ GIDS)

Virtual Private Networks -- Trusting your friends’ security.

One Possible Solution

One Possible Solution (Cont.)

Conclusions