Bug ID 654996: Closed connections remains in memory

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3,,,,,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1,

Opened: Apr 03, 2017
Severity: 3-Major
Related Article:


A connection remains open, which results in memory leaks in the tmm for the connections. The following command shows connections on traffic that was already closed: tmsh show sys conn.


Memory increase due to connections left open. Incoming connections to the virtual server may fail and result in the BIG-IP sending a reset with a reset cause of "TCP closed".


A ASM_RESPONSE_VIOLATION iRule on the ASM-enabled virtual server. A request with connection: close.


If possible, remove this event from the iRule and/or add the OneConnect profile to the virtual server.

Fix Information


Behavior Change