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

Forum Discussion

bcarreker's avatar
bcarreker
Icon for Cirrus rankCirrus
Aug 23, 2022

Attack Signature Detected "Type="

Hello, I have some users that are receiving an F5 error page with a session ID. Looks like the WAF detected a false positive. I've included a screenshot of the violation. Has anyone come across this...
security
Mohamed_Salah_'s avatar
Mohamed_Salah_
Icon for MVP rankMVP
Aug 24, 2022

Hello,

 

can you share the screenshotsyou are talking about? also, could you please share a screenshot from the policy builiding settings for this policy?

 

Thanks,

Mohamed Salah

Mohamed_Salah_'s avatar
Mohamed_Salah_
Icon for MVP rankMVP
Aug 24, 2022

Hello,

 

Sorry, didn't notice the attached screenshot. this logs shows that this attack signature wasn't the reason for blocking as only learn and alarm are enabled for this.

So, please can show us the while request along with the policy building settings.

 

Thanks,

Mohamed Salah