Network Defense

Introduction

Links

• Auditing
• Intrusion Detection Systems
• Honey Pots
• Firewalls
• File Integrity Monitors
• Updates, Patches and OS Package Management
• VPN Technologies
• Logging and Monitoring
• Device

Simple Mail Transport Protocol

Sniffer Software - Free

• Ethereal - free network protocol analyzer for Unix and Windows.
• DSniff - collection of tools for network auditing and penetration testing. Windows version can be found here.
• Analyzer - full configurable network analyzer program for Win32 environment. Analyzer is able to capture packets on all platforms.

References

• Know Your Enemy I
• Know Your Enemy II
• Know Your Enemy III
• Internet Storm Center - a cooperative monitor and alert system for cyber threats.