Recommendations on network security
3
NOTICE
Information security
Connect to the device and change the standard password for the user set in the factory "admin"
and "" before you operate the device.
To prevent unauthorized access, note the following security recommendations.
General
• You should make regular checks to make sure that the device meets these recommendations
and/or other security guidelines.
• Evaluate your plant as a whole in terms of security. Use a cell protection concept with suitable
products (
https://www.industry.siemens.com/topics/global/en/industrial-security/pages/
• When the internal and external network are disconnected, an attacker cannot access internal
data from the outside. Therefore operate the device only within a protected network area.
• For communication via non-secure networks use additional devices with VPN functionality to
encrypt and authenticate the communication.
• No product liability will be accepted for operation in a non-secure infrastructure.
• Terminate management connections correctly (WBM. Telnet, SSH etc.).
Physical access
• Restrict physical access to the device to qualified personnel.
• Lock unused physical ports on the device. Unused ports can be used to gain forbidden access
to the plant.
Software (security functions)
• Keep the firmware up to date. Check regularly for security updates for the device. You can
find information on this at the Industrial Security (
) website.
• Inform yourself regularly about security recommendations published by Siemens
ProductCERT (
https://www.siemens.com/cert/en/cert-security-advisories.htm
• Only activate protocols that you require to use the device.
• Restrict access to the management of the device with rules in an access control list (ACL).
SCALANCE XR-300WG
Operating Instructions, 03/2021, C79000-G8976-C454-07
11
