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

Forum Discussion

Shawn_Conway's avatar
Shawn_Conway
Icon for Cirrus rankCirrus
Jan 15, 2019

Invalid Nonce in APM and how to reproduce

We edit test in an APM policy for "Invalid Nonce" because it has a different meaning to some people. We would like to test it and make sure it is displaying correctly (political reasons) and I canno...
BIG-IP Access Policy Manager (APM)
devops
Shawn_Conway's avatar
Shawn_Conway
Icon for Cirrus rankCirrus
Jan 16, 2019

F5 gave me the information to reproduce the error

 

for webtop"/my.logout.php3?errorcode=21

 

Kai_Wilke's avatar
Kai_Wilke
Icon for MVP rankMVP
Jan 16, 2019

Very interesting question. Never thought about that the word "Nonce" has a different meaning outside of the crypto-world. Made my day... ;-)

 

Cheers, Kai