Bug ID 667383: ECDH negotiation failures logged as critical errors.

Last Modified: Jan 29, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4

Opened: Jun 01, 2017
Severity: 4-Minor
Related AskF5 Article:
K64201029

Symptoms

When a failure occurs in an SSL negotiation involving Elliptic Curve Diffie-Hellman (ECDH) key agreement, a critical error may be logged. However, an SSL negotiation failure is not a critical issue.

Impact

Spurious critical error logs may cause unwarranted concerns.

Conditions

An SSL negotiation failure involving ECDH key agreement.

Workaround

Treat SSL ECDH negotiation failures as non-critical errors.

Fix Information

None

Behavior Change