Bug ID 2447897: Proxy SSL does not forward FINISHED message from client to the server

Last Modified: Sep 02, 2026

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

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1, 17.1.3.2, 17.1.3.4, 17.1.3.5, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 17.5.1.6, 17.5.1.8, 17.5.1.9, 21.0.0, 21.0.0.1, 21.0.0.2, 21.0.0.3, 21.1.0, 21.1.0.1, 21.1.0.2

Opened: Jul 29, 2026

Severity: 3-Major

Symptoms

SSL handshakes intermittently time out. Taking a packet capture on the BIG-IP shows the FINISHED message has been received, but not forwarded

Impact

SSL handshakes intermittently time out

Conditions

Use of the proxy SSL feature

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips