Symptom
Unable to log in to FTD UI after configuring HTTP Access in Platform Settings
Conditions
HTTP Access configured in Platform Settings
Workaround
Use FMC UI to download TS and debug files from FTD.
Further Problem Description
The issue was reproduced in 1120 and virtual FTD, 7.2.5 and 7.2.4. It is likely reproducible in all platforms.
HTTPS access to FTD managed by FMC based on:
https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/interfaces-settings-platform.html?bookSearch=true#task_2133E7672043462081102935A3042AB3
After username and password is introduced and click on "submit" either nothing happens or "Browser not authentication-capable or authentication failed." or "500 Internal Server Error" is displayed.