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SSFSNORT - Securing Cisco Networks with Open Source Snort® v2.1

Learn how to build and manage a Snort® system using open source tools, plug-ins, as well as the Snort rule language to help manage, tune, and deliver feedback on suspicious network activity.

This lab-intensive course introduces you to the open source Snort technology, as well as rule writing. Among other powerful features, you become familiar with: 

  • How to build and manage a Snort system
  • How to update rules
  • Snort rules language
  • The capabilities of Snort when deployed passively and inline 

The course begins by introducing the Snort technology and progresses through the installation and operation of Snort. You will discover the various output types that Snort provides and learn about automated rule management including how to deploy and configure Pulled Pork, inline operations, and how to create custom Snort rules, including advanced rule-writing techniques and OpenAppID.

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

This course is eligible for 32 Continuing Education Credits (ILT & ELT Modality).

GK# 5826 Vendor# SSFSNORT 2.1
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Who Should Attend?

  • Security administrators
  • Security consultants
  • Network administrators
  • System engineers
  • Technical support personnel using open source IDS and IPS
  • Channel partners and resellers

What You'll Learn

  • Snort technology and identify the resources that are available for maintaining a Snort deployment
  • Install Snort on a Linux-based operating system
  • Snort operation modes and their command-line options
  • Snort intrusion detection output options
  • Download and deploy a new rule set to Snort
  • Configure the snort.conf file
  • Configure Snort for inline operation and configure the inline-only features
  • Snort basic rule syntax and usage
  • How traffic is processed by the Snort engine
  • Several advanced rule options used by Snort
  • OpenAppID features and functionality
  • How to monitor of Snort performance and how to tune rules

Course Outline

  1. Introduction to Snort Technology
  2. Snort Installation
  3. Snort Operation
  4. Snort Intrusion Detection Output
  5. Rule Management
  6. Snort Configuration
  7. Inline Operation and Configuration
  8. Snort Rule Syntax and Usage
  9. Traffic Flow Through Snort Rules
  10. Advanced Rule Options
  11. OpenAppID Detection
  12. Tuning Snort

Labs Outline

Lab 1: Connecting to the Lab Environment

Lab 2: Snort Installation

Lab 3: Snort Operation

Lab 4: Snort Intrusion Detection Output

Lab 5: Pulled Pork Installation

Lab 6: Configuring Variables

Lab 7: Reviewing Preprocessor Configurations

Lab 8: Inline Operations

Lab 9: Basic Rule Syntax and Usage

Lab 10: Advanced Rule Options

Lab 11: OpenAppID

Lab 12: Tuning Snort



Basic understanding of:

  • Networking and network protocols
  • Linux command line utilities
  • Text-editing utilities commonly found in Linux
  • Network security concepts

Vendor Credits

Cisco's learning credit program has changed.

To help you redeem CLCs, please complete our CLC redemption request form and a Global Knowledge account manager will contact you.