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SSFRULES – Securing Cisco Networks with Snort Rule Writing Best Practices

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Overview

In this course, you will learn about the key features and characteristics of a typical Snort rule development environment. You will develop and test custom rules in a preinstalled Snort environment and identify how to use advanced rule-writing techniques. You will investigate how to include OpenAppID in your rules and also identify how to filter rules and monitor their performance. 

This course combines lecture materials and hands-on labs that give you practice in creating Snort rules. 

This lab-intensive course introduces you to Snort rule writing. Among other powerful features, you become familiar with: 

  • Snort rule development
  • Snort rule language
  • Standard and advanced rule options
  • OpenAppID
  • Tuning

Target Audience

  • Security administrators
  • Security consultants
  • Network administrators
  • System engineers
  • Technical support personnel
  • Channel partners and resellers

Prerequisites

Basic understanding of:

  • Networking and network protocols
  • Linux command-line utilities
  • Text-editing utilities commonly found in Linux
  • Network security concepts
  • Snort-based IDS/IPS system

Course Objectives

  • Snort rule development process
  • Snort basic rule syntax and usage
  • How traffic is processed by Snort
  • Several advanced rule options used by Snort
  • OpenAppID features and functionality
  • How to monitor the performance of Snort and how to tune rules

Full Course Outline

Outline

  • Introduction to Snort Rule Development
  • Snort Rule Syntax and Usage
  • Traffic Flow Through Snort Rules
  • Advanced Rule Options
  • OpenAppID Detection
  • Tuning Snort

Labs

  • Lab 1: Connecting to the Lab Environment
  • Lab 2: Introducing Snort Rule Development
  • Lab 3: Basic Rule Syntax and Usage
  • Lab 4: Advanced Rule Options
  • Lab 5: OpenAppID
  • Lab 6: Tuning Snort
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