Bug ID 1289549: TCP RST internal error in tcpproxy bad transition during SSL connection closure.

Last Modified: Mar 30, 2024

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,,,, 14.1.5,,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,

Fixed In:

Opened: Apr 17, 2023

Severity: 4-Minor


The BIG-IP RSTs connection with Internal error in tcpproxy bad transition.


Connection closes abruptly on serverside.


Issue occurs when following condition is met: Client - DUT1 - DUT2 - Server -> Configure https virtual server on both DUT1 and DUT2 -Configure client-ssl profile with 'maximum-record-size' set to 256 and unclean-shutdown to disabled - Configure tcp profile with nagle enabled -> On DUT1 configure a default https in-tmm monitor monitoring a DUT2. -> On Server, make sure the response spans 3 to 4 times the SSL record size.



Fix Information

Connection closes as expected.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips