Siemens SINUMERIK 840D sl Commissioning Manual page 824

Configuring the system
2.3 Configuration file "basesys.ini"
FirewallOpenPorts
Here you can specify a list of the ports which is to be enabled in the firewall of the external
network interface. For example TCP/102 (S7 communication) is always enabled. Logfile is
"TCP" or "UDP", the port is the (numerical) port number of the service to be enabled. Several
entries are separated by a space.
Value:
Default:
NOTICE
Security risk
Note that opening the ports in the firewall can represent a security risk. Only enable the
ports that you actually require.
Note that every accessible service can have security gaps.
DisableSubsystems
Using this variable, you can suppress mounting and starting of certain subsystems (CFS
systems). Several subsystem names, too, can be specified - separated by blanks.
Value:
Default:
The names can either be simple CFS basic names (e.g. "nck") - ignoring all CFS systems
with this name - or you specify an absolute path (e.g.
specifically to this CFS system.
It is also possible to set "DisableSubsystems=all" whereby not a single CFS system can be
mounted or started any more.
DisableNTPTimeSync
If this variable is set to 1, then the NTPD server (Network Time Protocol Daemon) for the
time synchronization is not started and the time of day is not synchronized.
Value:
Default:
28
List of logfile/port pairs
Empty
List of CFS names (separated by a space)
Empty
0 or 1
0
/siemens/sinumerik/nck
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
) referring
NCU operating system (IM7)