Last Modified: Apr 20, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
16.1.5, 16.1.5.1, 16.1.5.2, 17.1.2, 17.1.2.1
Opened: Feb 11, 2025 Severity: 3-Major
You might observe CRIT-level logs of configuration issues in the TMM logs but there is no impact to the traffic. Example log message: crit tmm4[17746]: 01260000:2: Profile /Common/serverssl-secure: DHE groups present in profile's cipherlist with TLS1.3 enabled and tmm.ssl.useffdhe set to false simultaneously.
Crit-level logs are logged to /var/log/tmm
1. The db variable tmm.ssl.useffdhe set to false 2. Virtual server configured to use DH groups
Leave the tmm.ssl.useffdhe value to default which is true
None