CP 1243-1
Operating Instructions, 12/2016, C79000-G8976-C365-02
33
Keep to the following Security recommendations to prevent unauthorized access to the
system.
● 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.
● Keep the firmware up to date. Check regularly for security updates of the firmware and
use them.
● Check regularly for new features on the Siemens Internet pages.
– Here you will find information on network security:
Link: (http://www.siemens.com/industrialsecurity)
– Here you will find information on Industrial Ethernet security:
Link: (http://w3.siemens.com/mcms/industrial-communication/en/ie/industrial-ethernet-
security/Seiten/industrial-security.aspx)
– You will find an introduction to the topic of industrial security in the following
publication:
Link:
(http://w3app.siemens.com/mcms/infocenter/dokumentencenter/sc/ic/InfocenterLangu
agePacks/Netzwerksicherheit/6ZB5530-1AP02-
0BA4_BR_Network_Security_en_112015.pdf)
Restrict physical access to the device to qualified personnel.
Do not connect the PC directly to the Internet. If a connection from the CP to the Internet is
required, arrange for suitable protection before the CP, for example a SCALANCE S with
firewall or use the CP 1543SP-1.