Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.5.1, 11.5.1 hf1, 11.5.1 hf2, 11.5.1 hf3, 11.5.1 hf4, 11.5.1 hf5, 11.5.1 hf6, 11.5.1 hf7, 11.5.1 hf8, 11.5.1 hf9, 11.5.1 hf10, 11.5.1 hf11, 11.5.2, 11.5.2 hf1
Fixed In:
11.6.0, 11.5.3
Opened: Apr 11, 2014 Severity: 2-Critical
For DTLS, CCS record will be held until all other handshake messages besides Finish are handled. When pcm is set to request, client may not send CertVfy message. BIG-IP system waits for CertVfy until the timeout.
BIG-IP waits for CertVfy until timeout.
-- Reordered DTLS handshake. -- Client does not send CertVerify message
None.
This issue no longer occurs.