Bug ID 752079: In SSL forward proxy, forged untrusted server certs are no longer cached.

Last Modified: Sep 14, 2023

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6

Fixed In:
15.0.0

Opened: Dec 05, 2018

Severity: 3-Major

Symptoms

Previously, SSL forward proxy cached forged server certs on the client side even if the server cert was untrusted. Now, SSL forward proxy does not cache the forged cert if the server cert is untrusted.

Impact

You might notice a performance impact compared with previous releases.

Conditions

SSL forward proxy is enabled and server cert is untrusted.

Workaround

None.

Fix Information

There is a behavior change: the system does not cache forged server certs if the cert is not trusted.

Behavior Change

Previously, SSL forward proxy cached forged server certs on the client side even if the server cert was untrusted. Now, SSL forward proxy does not cache the forged cert if the server cert is untrusted. As a result, you might notice slower performance in this release under these conditions.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips