Chapter 20 Preventing Network Attacks

Whether the motivation for a network attack is for monetary gain, revenge, or simply a challenge, it can potentially result in the same outcome if you are not prepared—Denial of Service (DoS). Having a security infrastructure that is well thought out will certainly minimize the impact of an attack.

The FWSM plays a critical role in an overall network security solution, but other devices also should be incorporated within the infrastructure; these include network intrusion prevention systems (IPS), host-based intrusion prevention systems (HIPS), VPN concentrators, screening routers, switches, and so on. The best defense is one that takes a holistic approach to security and leverages the full capabilities ...

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