Bug ID 592770: Accelerated loose init connections may send seq number 0 on idle timeout reset.

Last Modified: Nov 22, 2021

Bug Tracker

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

Known Affected Versions:
11.4.1

Opened: May 12, 2016
Severity: 3-Major

Symptoms

Accelerated loose init connections may send seq number 0 on idle timeout reset.

Impact

TCP reset will have a 0 sequence number.

Conditions

Virtual server configured with Fastl4 with ePVA acceleration and loose initiation. Idle timer to expire will cause a TCP reset to be sent.

Workaround

While this will not necessarily cause issues, some applications might not interoperate correctly. In this case disabling PVA acceleration might be a valid workaround.

Fix Information

None

Behavior Change