Bug ID 686395: With DTLS version1, when client hello uses version1.2, handshake shall proceed

Last Modified: Jul 13, 2024

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

Known Affected Versions:
12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3

Fixed In:
15.1.5, 12.1.3.4

Opened: Sep 30, 2017

Severity: 3-Major

Symptoms

With DTLS version1, when client hello uses version1.2, handshake fails with error of :unsupported version".

Impact

DTLS functionalities.

Conditions

DTLS version1 handshake: Handshake version 1.0 . (0xfeff) Client hello version 1.2(0xfefd)

Workaround

N/A

Fix Information

In this case, we shall still proceed to perform handshake instead of bailing out with "unsupported version" error.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips