Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Intermediate iRules: Handling Strings

To say we’re getting to the heart of the matter, dealing with string commands and parsing, re-arranging and modification, would almost be saying it too lightly…understating. String manipulation is a ...
Updated Oct 02, 2023
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irules
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Christ Follower, Husband, Father, Technologist. I love community and I especially love THIS community. My background is networking, but I've dabbled in all the F5 iStuff, I'm a recovering Perl guy, and am very much a python enthusiast. Learning alongside all of you in this accelerating industry toward modern apps and architectures.
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f5admin2
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Jul 27, 2023

How to construct URI path redirection based on dynamic header values received in an API call. For instance abc.google.com receives these header values:

country=unitedstatesofamerica

state=florida

city=tampa

 it should redirect to another VIP (def.google.com) based on those header values as shown. In this case $ is a delimiter in the URI path.

https://def.google.com$country=unitedstatesofamerica$state=florida$city=tampa

Thanks would appreciate any help in composing this irule.