Bug ID 757777: bigtcp does not issue a RST in all circumstances

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 14.1.0,,,,,, 14.1.2,,,,

Fixed In:
15.1.0,, 13.1.5

Opened: Feb 06, 2019
Severity: 4-Minor


bigtcp does not issue a TCP reset, e.g. when using the iRule reject command on CLIENT_ACCEPTED


TCP RST is not sent, and the SYN is silently dropped.


bigtcp in use, tcp connection, connection ungracefully shut down via a 'reject' command in an iRule



Fix Information

bigtcp virtuals send now a TCP RST if needed.

Behavior Change