Bug ID 758701: APM fails to handle Remote Desktop Gateway connections from standalone RDP clients after fresh install

Last Modified: May 29, 2024

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

Fixed In:
15.0.0, 14.1.0.6

Opened: Feb 14, 2019

Severity: 3-Major

Symptoms

Remote Desktop (RD) Gateway connections from standalone RDP clients on Mac/iOS/Android fail against a fresh APM installation. Following error is logged into /var/log/ltm: ... 01220001:3: TCL error: /Common/_sys_APM_Citrix_SmartAccess <HTTP_REQUEST> - ERR_NOT_SUPPORTED (line 1) invoked from within "HTTP::path"

Impact

Connection can't be established.

Conditions

- Fresh APM installation. - Standalone Mac/iOS/Android RDP client uses APM as RD Gateway.

Workaround

Disable "tmm.http.tcl.validation" variable: # tmsh modify sys db tmm.http.tcl.validation value disable

Fix Information

Remote Desktop (RD) Gateway connections from standalone RDP clients on Mac/iOS/Android are not failing anymore against fresh APM installation.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips