Bug ID 495928: APM RDP connection gets dropped on AFM firewall policy change

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP AFM, APM(all modules)

Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 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, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3

Fixed In:
12.0.0, 11.6.0 HF4, 11.5.3, 11.5.2 HF1

Opened: Dec 11, 2014

Severity: 3-Major

Symptoms

An active RDP connection over APM VPN tunnel gets dropped when administrator makes a change to the AFM firewall policy.

Impact

RDP session disconnects and automatically reconnects.

Conditions

APM tunnel and its application connections are subject to AFM firewall policy.

Workaround

Add an Allow rule to the firewall policy for destination TCP port 3389.

Fix Information

RDP connections no longer get dropped during AFM firewall policy changes.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips