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

Forum Discussion

bmoorewiz's avatar
bmoorewiz
Icon for Nimbostratus rankNimbostratus
Nov 23, 2015

iRule needs updating from HTTP_CLASS for 11.4.x

All, I was hoping someone could help me with the ASM iRule. I need the HTTP_CLASS removed as that option cannot be used on 11.4.x. I would appreciate any help in the right direction. ltm rule bloc...
ASM Advanced WAF
BIG-IP Access Policy Manager (APM)
security
JRahm's avatar
JRahm
Icon for Admin rankAdmin
Nov 24, 2015

[POLICY::controls asm] in the HTTP_REQUEST event will tell you if asm is enabled, but I'm curious why if both conditions of if/else is to reject the request if abort_trans is 1 it matters? Can't you just reject it in the HTTP_REQUEST event without a policy check?