2.1.4. Lab 4 – Stream Profile

Create a Stream Profile to change the body of the DVWA site

Important

  • Estimated completion time: 10 minutes

  1. Open Chrome Browser

  2. Enter https://bigip1 into the address bar and hit Enter

  3. Login with username: admin password: admin

  4. Click Local Traffic -> iRules -> iRules List

  5. Click Create button

  6. Enter Name of Stream_iRule

  7. Enter Your Code

  8. Click Finished

  9. Click Local Traffic -> Virtual Servers -> Virtual Server List

  10. Click on https_irules_vip

  11. In the Configuration section ensure it says Advanced in the drop down

  12. Go to the Stream Profile section and select stream

  13. Scroll to the bottom and click the Update button

  14. Click on the Resources tab

  15. Click Manage button for the iRules section

    ../../_images/iRulesManage.png

  16. What should you do here?

  17. Click the Finished button

  18. Open the Firefox browser

  19. Enter https://dvwa.f5lab.com and ensure you get there and it is HTTPS and that the word “Damn” is replaced with “Darn”

Hint

Basic Hint if you need a hint here is some example code:

Link to DevCentral: https://devcentral.f5.com/wiki/iRules.STREAM.ashx

If you are really stuck, here is what we are looking for:

  1. When HTTP_Request comes in
  2. Second we need to disable both encoding the stream profile for the request
  3. When HTTP_RESPONSE comes back
  4. Next we need to change our stream matching string and turn on the stream profile again.
  5. Now you should have enough to understand and the majority of code to create the iRule. If not here is the complete iRule.
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