Snort is an open–source, free and lightweight network intrusion detection system (NIDS) software for Linux and Windows to detect emerging threats. Learn how to implement and deploy Snort, an open-source, rule-based, intrusion detection and prevention system to detect malicious network activity and uses those rules to find packets that match against them and generates alerts for users.
Overview
The Securing Cisco Networks with Open Source Snort (SSFSNORT) v3.0 course shows you how to deploy Snort® in small to enterprise-scale implementations. You will learn how to install, configure, and operate Snort in Intrusion Detection System (IDS) and Intrusion Prevention System (IPS) modes. You’ll practice installing and configuring Snort, utilize additional software tools and define rules to configure and improve the Snort environment, and more.
Skills Covered
After taking this course, you should be able to:
- Define the use and placement IDS/IPS components.
- Identify Snort features and requirements.
- Compile and install Snort.
- Define and use different modes of Snort.
- Install and utilize Snort supporting software.
Prerequisites
To fully benefit from this course, you should have the following knowledge and skills:
- Technical understanding of TCP/IP networking and network architecture
- Basic familiarity with firewall and IPS concepts
This is the recommended Cisco course that may help you meet these prerequisites:
Target Audience
- Security administrators
- Security consultants
- Network administrators
- System engineers
- Technical support personnel
- Channel partners and resellers
Module 1: Detecting Intrusions with Snort 3.0
- History of Snort
- IDS
- IPS
- IDS vs. IPS
- Examining Attack Vectors
- Application vs. Service Recognition
Module 2: Sniffing the Network
- Protocol Analyzers
- Configuring Global Preferences
- Capture and Display Filters
- Capturing Packets
- Decrypting Secure Sockets Layer (SSL) Encrypted Packets
Module 3: Architecting Nextgen Detection
- Snort 3.0 Design
- Modular Design Support
- Plug Holes with Plugins
- Process Packets
- Detect Interesting Traffic with Rules
- Output Data
Module 4: Choosing a Snort Platform
- Provisioning and Placing Snort
- Installing Snort on Linux
Module 5: Operating Snort 3.0
- Topic 1: Start Snort
- Monitor the System for Intrusion Attempts
- Define Traffic to Monitor
- Log Intrusion Attempts
- Actions to Take When Snort Detects an Intrusion Attempt
- License Snort and Subscriptions
Module 6: Examining Snort 3.0 Configuration
- Introducing Key Features
- Configure Sensors
- Lua Configuration Wizard
Module 7: Managing Snort
- Pulled Pork
- Barnyard2
- Elasticsearch, Logstash, and Kibana (ELK)
Module 8: Analyzing Rule Syntax and Usage
- Anatomy of Snort Rules
- Understand Rule Headers
- Apply Rule Options
- Shared Object Rules
- Optimize Rules
- Analyze Statistics
Module 9: Use Distributed Snort 3.0
- Design a Distributed Snort System
- Sensor Placement
- Sensor Hardware Requirements
- Necessary Software
- Snort Configuration
- Monitor with Snort
Module 10: Examining Lua
- Introduction to Lua
- Get Started with Lua
Lab Outline
- Capture and Analyze Packets
- Initiate the Snort Installation
- Complete an Installation of Snort
- Configure and Run Snort
- Tweak the Installation
- Rapid Deployment with Lua
- Integrate Snort Optimizers
- Analyze Rule Syntax
- Hello World Lua Style
Dates & Locations
June 22, 2026 - June 25, 2026
June 22, 2026 - June 25, 2026
September 7, 2026 - September 10, 2026
September 7, 2026 - September 10, 2026
December 7, 2026 - December 10, 2026
December 7, 2026 - December 10, 2026
Exam & Certification
This course is not associated with any Cisco certification.
Training & Certification Guide
Frequently Asked Questions
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