Training offering

Developing iRules for BIG-IP v.13.1

Information

Price £2,495 before tax
Length: 3 Days
Lunch : Included
Courseware : Included
Course code: F5N_BIG-IRULE-CFG
Delivery Type

Session dates

See sessions for other countries
Date Location
  • London - Dowgate Hill
    £2,495 before tax
  • Virtual Classroom
    £2,495 before tax
  • London - Dowgate Hill
    £2,495 before tax
  • Virtual Classroom
    £2,495 before tax
  • London - Dowgate Hill
    £2,495 before tax
  • Virtual Classroom
    £2,495 before tax
  • London - Dowgate Hill
    £2,495 before tax
  • Virtual Classroom
    £2,495 before tax
  • London - Dowgate Hill
    £2,495 before tax
  • Virtual Classroom
    £2,495 before tax
This training is also available as onsite training. Feel free to contact us for more information.

Description


This course provides networking professionals a functional understanding of iRules development.


The course builds on the foundation of the Administering BIG-IP course, demonstrating how to logically plan and write iRules to help monitor and manage common tasks involved with processing traffic on the BIG-IP system.


Extensive course labs consist of writing, applying and evaluating the effect of iRules on local traffic.


This hands-on course includes lectures, labs, and discussions.

Objectives

• Setting up the BIG-IP system
• Getting started with iRules
• Using the iRules Editor
• Leveraging DevCentral resources for iRule development
• Exploring iRule elements, including events, functions, commands, variables, and operators
• Using control structures for conditional branching and looping
• Mastering whitespace, grouping, and special symbols
• Tracing iRule execution and profiling performance using the Rule Profiler
• Measuring iRule efficiency using timing statistics
• Logging from an iRule using syslog-ng and high-speed logging (HSL)
• Optimizing iRules execution, including implementing efficiency best practices
• Modularizing iRules for administrative efficiency, including using procedures
• Securing web applications with iRules, including preventing common HTTP attacks, securing HTTP headers and cookies, and implementing HTTP strict transport security (HSTS)
• Working with strings, including using Tcl parsing commands and iRules parsing functions
• Accessing and manipulating HTTP traffic, including applying selective HTTP compression
• Working with iFiles and data groups
• Using iRules with universal persistence and stream profiles
• Gathering statistics using STATS and ISTATS
• Incorporating advanced variables, including arrays, static variables, and the session table

Participants


This course is intended for system administrators, network administrators and application developers responsible for the customization of traffic flow through a BIG-IP system using iRules.


Prerequisite(s)

Students must complete one of the following F5 prerequisites before attending this course:


• Administering BIG-IP instructor-led course


-or-


• Configuring BIG-IP LTM instructor-led course


-or-


• F5 Certified BIG-IP Administrator


The following free web-based training courses, although optional, are very helpful for any student with limited BIG-IP administration and configuration experience. These courses are available at F5 University (http://university.f5.com):


• Getting Started with BIG-IP
• Getting Started with BIG-IP Local Traffic Manager (LTM)


The following general network technology knowledge and experience are recommended before attending any F5 Global Training Services instructor-led course:


• OSI model encapsulation
• Routing and switching
• Ethernet and ARP
• TCP/IP concepts
• IP addressing and subnetting
• NAT and private IP addressing
• Default gateway
• Network firewalls
• LAN vs. WAN


The following course-specific knowledge and experience are suggested before attending this course:


• HTTP protocol
• Any programming language

Programme


Chapter 1: Setting Up the BIG-IP System



• Introducing the BIG-IP System


• Initially Setting Up the BIG-IP System


• Archiving the BIG-IP System 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


• Using the F5 iRule Editor


• Assigning and Testing 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 Working with User-Defined Variables


• Working with Operators and Data Types


• Working with Conditional Control Structures


• Incorporating Best Practices in iRules  


Chapter 4: Developing and Troubleshooting iRules



• Mastering Whitespace and Special Symbols


• Developing and Troubleshooting Tips


• Tracing iRule Execution and Profiling Performance


• Using Fiddler to Test and Troubleshoot iRules



Chapter 5: Optimizing iRule Execution



• Understanding the Need for Efficiency


• Profiling iRule Performance with the Rule Profiler


• 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



Chapter 6: Securing Web Applications with iRules



• Integrating iRules into Web Application Defense


• Mitigating HTTP Version Attacks


• Mitigating Path Traversal Attacks


• Using iRules to Defends 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


• Combining Strings


• Using iRule String Parsing Functions



Chapter 8: Processing the HTTP Payload



• Reviewing HTTP Headers and Commands


• Accessing and Manipulating HTTP Headers


• Parsing the HTTP URI


• Selectively Compressing HTTP Data



Chapter 9: Working with iFiles and Data Groups



• Working with iFiles


• Introducing Data Groups


• Working with Old Format Data Groups


• Working with New Format Data Groups



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



• Implementing Universal Persistence


• Working with the Stream Profile


• Collecting Statistics Using a Statistics Profile


• Collecting Statistics Using iStats



Chapter 11: Incorporating Advanced Variables



• Reviewing the Local Variable Namespace


• Working with Arrays


• Using Static and Global Variables


• Using the Session Table


Options

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