sys/support.conf: Library Dependencies
$support_tunnel_userUser name for remote support login
$support_tunnel_hostHost name of remote support server
$support_tunnel_portRemote port on server to use for local access support_tunnel_port=11111
$support_tunnel_keyfileName of support key
$support_tunnel_logfileName of log file for support tunnel
$support_tunnel_pidfileName of file to store support tunnel process ID