Bug ID 631060: BIG-IP may incorrectly reject serverside connection when REQLOG is configured.

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(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,,,,,,,

Fixed In:
13.0.0, 12.1.4

Opened: Nov 30, 2016
Severity: 2-Critical


Serverside connection can be reset when V2 plugin e.g. REQLOG is configured on virtual.


Serverside connections can not be established due to early TCP RST and failing TCP handshake.


Virtual server configured with REQLOG and SSL clientside and serverside profiles.


Remove REQLOG from configuration.

Fix Information

V2 Plugins work correctly if clientside is disabled on the hudchain.

Behavior Change