Bug ID 938165: TMM Core after attempted update of IP geolocation database file

Last Modified: Dec 03, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP AFM(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 16.0.0,, 16.0.1

Fixed In:

Opened: Aug 19, 2020
Severity: 2-Critical


TMM crashes while running traffic that uses AFM Firewall policies.


Traffic disrupted while tmm restarts.


-- Update IP geolocation database file to the latest version. -- Configure AFM policies with logging enabled. -- Run traffic which hits the AFM policies and triggers logging.


Revert to using the previously working version of the IP-geolocation file. https://support.f5.com/csp/article/K11176#restore

Fix Information

The BIG-IP system now validates the region/country strings returned by the geolocation database for IP addresses used in the traffic.

Behavior Change