Essential Computer Security: Everyone's Guide to Email, Internet, and Wireless Security

Chapter 5 Perimeter Security

Topics in this chapter:

• From Moats and Bridges to Firewalls and Filters
• Firewalls
• Intrusion Detection and Prevention

• Summary
• Additional Resources

Introduction

Generally, when you think of perimeter security, you think of protecting the outer edges of your network. Hence, the term perimeter. Home computers and small office/home office (SOHO) networks typically have some form of firewall in place; this could be a cable router, wireless access point, or switch. Some people think that the perimeter security starts ...