F5 Distributed Cloud - Service Policy - Header Matching Logic & Processing

Introduction Who knows what an iRule is?  iRules have been used by F5 BIG-IP customers for a quarter of a century!  One of the most common use cases for iRules are for security decisions. If you'...
Updated Jan 16, 2024
Version 5.0
application delivery
F5 Distributed Cloud
security
Barry_Haines's avatar
Barry_Haines
Ret. Employee
Jul 25, 2025

It seems this option no longer works, I have tried to apply head values multiple times in a service policy rule and now I get the error message Rule (blockheader): Duplicate header in service policy rule (header Name).  I have tried with different headers including Accept-Encoding used in this article.