Last Modified: Sep 14, 2023
Affected Product(s):
BIG-IP AFM
Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.0.0, 15.0.1
Fixed In:
15.1.0, 15.0.1.1
Opened: Apr 09, 2019 Severity: 3-Major
Valid traffic gets blocked under L2 transparent mode if syn cookie protection is enabled.
Some valid traffic gets blocked.
-- In L2 transparent mode. -- Syn cookie protection is enabled. -- ePVA offloading is enabled. -- BIG-IP platform contains the embedded Packet Velocity Acceleration (ePVA) chip. -- Attack traffic in progress.
None.
-- For releases 15.0.x and earlier, ePVA offloading is now disabled if syn cookie is turned on. -- Beginning with release 15.1.0, ePVA offloading works as expected with syn cookies.