Brute Force Protection – Credentials in Nested JSON

Hello,

I am trying to configure brute force protection. In our case, the username and password are transmitted to the application through a JSON parameter called p-json.

How does F5 detect parameters that are nested inside another parameter? As shown below, the values of the username and password are stored under the "v" field:

I would appreciate your guidance on how to handle this case properly with F5.