Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP AFM
Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2
Fixed In:
12.1.0, 11.6.1, 11.5.4 HF2
Opened: Dec 04, 2015 Severity: 3-Major
When there is a loaded tmm that cannot consume packets fast enough, packets might be dropped while when AFM DoS flood mitigation is taking place.
Packets will be dropped indiscriminately.
-- Loaded tmm that cannot consume packets fast enough. -- AFM DoS flood mitigation is taking place.
None.
There is now a sys db tunable (sys db dos.scrubtime) which can be set to drop DoS attack packets in hardware more aggressively. This will prevent other non-attack packets from being dropped indiscriminately.