Security; Parameter Overview - Siemens CP 1243-1 Operating Instructions Manual

● VPN status
The PLC tag (BOOL) indicates whether a VPN tunnel is established:
– 0 = No VPN tunnel established
– 1 = VPN tunnel established
4.9

Security

You will find an overview of the range and use of the security functions in section Security
functions (Page 13).
For the configuration limits of the security functions refer to the section Configuration limits
and performance data (Page 15).
4.9.1

Parameter overview

Parameter groups
If the security functions of the CP are enabled, you will find the following parameter groups
for configuring the CP:
● CP identification
Only with the TeleControl Basic protocol
Here, you configure parameters for authenticating the CP with the telecontrol server. You
will find detailed information about the parameters below.
● DNP3 security options
Only with the DNP3 protocol
Here, you configure protocol-specific security functions. You will find detailed information
about the parameters below.
● Firewall
See section Firewall (Page 67).
● Time synchronization
For the configuration of the time-of-day synchronization read the section Time-of-day
synchronization (Page 42).
● E-mail configuration
See section E-mail configuration (Page 69).
● Log settings
Here you make the settings for logging events relevant for security.
See section Log settings - Filtering of the system events (Page 70).
CP 1243-1
Operating Instructions, 04/2017, C79000-G8976-C365-03
Configuration
4.9 Security
63