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

Forum Discussion

Yogi_377123's avatar
Yogi_377123
Icon for Nimbostratus rankNimbostratus
Nov 26, 2018

ASM Custom attack signature rule

I want to block some specific keywords in my post request like i.e Block through an attack signature. What would be the script for Rule section in attack signature creation page.   I have created ...
ASM Advanced WAF
security
Richard_Karon's avatar
Richard_Karon
Icon for Employee rankEmployee
Sep 19, 2019

Here is v14.1 writing custom attack signatures

https://techdocs.f5.com/kb/en-us/products/big-ip_asm/manuals/product/big-ip-asm-attack-and-bot-signatures-14-1-0/04.html

 

Here is an demo video

https://www.youtube.com/watch?v=1JsUdHQq3Ug