CP 1543-1
Operating Instructions, 12/2019, C79000-G8976-C289-08
31
Configuration, programming
4
4.1
Security recommendations
Keep to the following security recommendations to prevent unauthorized access to the
system.
General
●
You should make regular checks to make sure that the device meets these
recommendations and other internal security guidelines if applicable.
●
Evaluate your plant as a whole in terms of security. Use a cell protection concept with
suitable products.
●
Do not connect the device directly to the Internet. Operate the device within a protected
network area.
●
Check regularly for new features on the Siemens Internet pages.
–
Here you can find information on Industrial Security:
Link: (
http://www.siemens.com/industrialsecurity
–
Here you can find information on security in industrial communication:
Link: (
http://w3.siemens.com/mcms/industrial-communication/en/ie/industrial-ethernet-
security/Seiten/industrial-security.aspx
–
You can find a selection of documentation on the topic of network security here:
Link: (
https://support.industry.siemens.com/cs/ww/en/view/92651441
●
Keep the firmware up to date. Check regularly for security updates for the firmware and
use them.
Information regarding product news and new firmware versions is available at the
following address:
Link: (
https://support.industry.siemens.com/cs/ww/en/ps/15340/dl
Physical access
Restrict physical access to the device to qualified personnel.
Network attachment
Do not connect the PC directly to the Internet. If a connection from the CP to the Internet is
required, enable the security functions or arrange for suitable protection before the CP, for
example a SCALANCE S with firewall.