Bug ID 761685: Connections routed to a virtual server lose per-client connection mode if preserve-strict source port mode is set

Last Modified: Sep 27, 2019

Bug Tracker

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

Known Affected Versions:
14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2, 15.0.0, 15.0.1

Fixed In:
14.1.2.1

Opened: Mar 18, 2019
Severity: 3-Major

Symptoms

Systems desiring to create a unique connection per connection client may silently end up with clients sharing an outgoing connection if routing uses a virtual server as the outgoing connection transport definition, and the virtual server has the source-port attribute set to preserve-strict.

Impact

Systems desiring to create a unique connection per connection client may silently end up sharing an outgoing connection.

Conditions

-- Routing using a virtual server as the transport definition for the outgoing connection. -- The virtual server has the source-port attribute set to preserve-strict.

Workaround

None.

Fix Information

Per-client mode is now maintained when routing to a virtual server, even when preserve-strict is selected.

Behavior Change