F5 Developing iRules for BIG-IP

Training Content

Chapter 1: Introducing the BIG-IP System

• Introducing the BIG-IP System

• Initially Setting Up the BIG-IP System

• Archiving the BIG-IP Configuration

• Leveraging F5 Support Resources and Tools

Chapter 2: Getting Started with iRules

• Customizing Application Delivery with iRules

• Triggering an iRule

• Leveraging the DevCentral Ecosystem

• Creating and Deploying iRules

Chapter 3: Exploring iRule Elements

• Introducing iRule Constructs

• Understanding iRule Events and Event Context

• Working with iRule Commands

• Logging from an iRule Using SYSLOG-NG (LOG Command)

• Working with User-Defined Variables

• Working with Operators and Data Types

• Working with Conditional Control Structures (IF and SWITCH)

• Incorporating Best Practices in iRules

Chapter 4: Developing and Troubleshooting iRules

• Mastering Whitespace and Special Symbols

• Grouping Strings

• Developing and Troubleshooting Tips

• Using Fiddler to Test and Troubleshoot iRules

Chapter 5: Optimizing iRule Execution

• Understanding the Need for Efficiency

• Measure iRule Runtime Efficiency Using Timing Statistics

• Modularizing iRules for Administrative Efficiency

• Using Procedures to Modularize Code

• Optimizing Logging

• Using High-Speed Logging Commands in an iRule

• Implementing Other Efficiencies

• Using Looping Control Structures (WHILE, FOR, FOREACH Commands)

Chapter 6: Securing Web Applications with iRules

• Integrating iRules into Web Application Defense

• Mitigating HTTP Version Attacks

• Mitigating Path Traversal Attacks

• Using iRules to Defend Against Cross-Site Request Forgery (CSRF)

• Mitigating HTTP Method Vulnerabilities

• Securing HTTP Cookies with iRules

• Adding HTTP Security Headers

• Removing Undesirable HTTP Headers

Chapter 7: Working with Numbers and Strings

• Understanding Number Forms and Notation

• Working with Strings (STRING and SCAN Commands)

• Combining Strings (Adjacent Variables, CONCAT and APPEND Commands)

• Using iRule String Parsing Functions (FINDSTR, GETFIELD, and SUBSTR Commands)

Chapter 8: Processing the HTTP Payload

• Reviewing HTTP Headers and Commands

• Introducing iRule HTTP Header Commands

• Accessing and Manipulating HTTP Headers (HTTP:: header Commands)

• Other HTTP Commands (HTTP:: host, HTTP::status, HTTP::is_keepalive, HTTP::method, HTTP::version, HTTP:: redirect, HTTP::respond, HTTP::uri)

• Parsing the HTTP URI (URI::path, URI::basename, URI::query)

• Parsing Cookies with HTTP::cookie

• Selectively Compressing HTTP Data (COMPRESS Command)

Chapter 9: Working with iFiles and Data Groups

• Working with iFiles

• Introducing Data Groups

• Working with New Format Data Groups (CLASS MATCH, CLASS SEARCH)

Chapter 10: Using iRules with Universal Persistence, Stream, and Statistics Profiles

• Implementing Universal Persistence (PERSIST UIE Command)

• Working with the Stream Profile (STREAM Command)

• Collecting Statistics Using a Statistics Profile (STATS Command)

• Collecting Statistics Using iStats (ISTATS Command)

Chapter 11: Incorporating Advanced Variables

• Reviewing the Local Variable Namespace

• Working with Arrays (ARRAY Command)

• Using Static and Global Variables

• Using the Session Table (TABLE Command)

• Processing Session Table Subtables

• Counting “Things” Using the Session Table