Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP GTM, LTM
Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1
Fixed In:
11.6.0, 11.5.4 HF2
Opened: Jan 20, 2014 Severity: 3-Major
DNS Express zone creation, deletion or updates can slow down or stop other DNS services.
Other DNS Services may stop working.
Any action that causes a the DNS Express zone database to be updated, including zone creation, deletion or zone transfer.
Restarting tmm will resolve the issue temporarily, until the next update. If DNS Express is not being used, removing any DNS Express config will prevent this issue from triggering.
An improperly handled file descriptor caused the issue. This file description is now properly closed preventing the problem.