Module 22: Working with the `conntrack` Module in IP Tables
Lesson 1: Introduction to the `conntrack` Module - Exploring the role and significance of the `conntrack` module - Overview of how the `conntrack` module supports connection tracking - Importance of using the `conntrack` module for advanced rule creation
Lesson 2: Enabling the `conntrack` Module - Understanding how to load and enable the `conntrack` module - Checking module availability and compatibility with the kernel - Configuring kernel settings to support connection tracking
Lesson 3: Connection Tracking with `conntrack` - How the `conntrack` module maintains connection state information - Interacting with connection tracking data using the `conntrack` utility - Examining active connections, states, and related information
Lesson 4: Using `conntrack` in IP Tables Rules - Leveraging the `conntrack` module for rule creation - Applying connection tracking data to filter packets based on connection states - Creating rules that utilize `conntrack` extensions for advanced scenarios
Lesson 5: Advanced Connection Tracking Features - Exploring advanced features offered by the `conntrack` module - Handling NAT, connection timeouts, and connection limit enforcement - Use cases for leveraging advanced `conntrack` capabilities
Activity: Connection Tracking with `conntrack` - Hands-on exercise: Enabling and using the `conntrack` module - Interacting with the `conntrack` utility to examine active connections - Creating and testing IP tables rules that utilize `conntrack` extensions
Module 22 Assignment: Advanced Connection Tracking Strategy - Develop a strategy for utilizing advanced `conntrack` features in a firewall configuration - Explain how the chosen `conntrack` approach enhances connection tracking, security, and rule creation
Upon completing Module 22, learners will have a clear understanding of how to work with the `conntrack` module in IP tables. They will be proficient in enabling the module, interacting with connection tracking data, and utilizing `conntrack` extensions to create advanced firewall rules that leverage connection state information.