Cisco® Secure Internet Security Solutions

Summary

This chapter explores the basic configurations and practices that will help prevent the most obvious forms of attack from affecting your network. There are some very specific commands that most, if not all, administrators should employ, at least on their external routers.

No book can possibly tell you exactly how your routers should be configured. If there were, we would all be out of jobs. Every network is different and requires configurations that reflect the organization's unique goals and needs. Use this chapter as a guideline for the options available while setting up your routers. Some of the items discussed should be set on every router, no matter what the circumstances of your particular network. The configuration on other items ...