Bug ID 1061513: Adding support for C3D(Client Certificate Constrained Delegation) with TLS1.3

Last Modified: Oct 19, 2025

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

Known Affected Versions:
15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8

Fixed In:
17.5.0, 17.1.1

Opened: Nov 15, 2021

Severity: 3-Major

Symptoms

Handshakes fail when C3D is enabled with TLS1.3

Impact

Handshakes fail

Conditions

1. C3D is enabled 2. Handshake is restricted to use only TLS1.3

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips