RDP native client times out

Unattended RDP native client connection times out, with the following message in the log:
Dec 15 17:08:52 privx-test rdpproxy: [rdpproxy] psid="160804401718288" user="ffa3c932-9080-4b40-5c9e-477fcf9ea867" type="TARGET_DISCONNECTION" reason="Connection closed on inactivity"

To prevent disconnection on session inactivity, modify /opt/privx/etc/rdpmitm/rdpproxy.ini and set session_timeout value:

[globals]
session_timeout=3600