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

Stacking iRules: A Modular Approach

Many administrators ask about splitting up the functionality of a single large iRule into a set of "iRule-lets" which each perform a specific function, then selectively applying them to a number of v...
Published Jun 19, 2008
Version 1.0
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Thomas_Schaefer's avatar
Thomas_Schaefer
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Sep 04, 2008
I really like the idea of a rule of low priority executed on all virts. I understand monolithic irules might be easier, but it there any performance difference with the modular approach. I would rather not duplicate that code in each iRule. Thoughts?