Siemens LOGO! CMR2040 Operating Instructions Manual page 54

Configuration (WBM)
5.1 Security recommendations
Security functions of the product
Use the options for security settings in the configuration of the product. These include among
others the following Security function of the communication:
● Enable the Security functions of the device.
Think about the services you want to allow access to the station via public networks.
● Use secure protocol variants such as HTTPS or STARTTLS.
● Use the secure communication via OpenVPN.
Passwords
● Define rules for the use of devices and assignment of passwords.
● Regularly update the passwords to increase security.
● Only use passwords with a high password strength. Avoid weak passwords for example
"password1", "123456789" or similar.
● Make sure that all passwords are protected and inaccessible to unauthorized personnel.
● Do not use one password for different users and systems.
Protocols
Secure and non-secure protocols
● Only activate protocols that you require to use the system.
● Use secure protocols when access to the device is not prevented by physical protection
measures.
The HTTP protocol provides a secure alternative with HTTPS.
Port tables
The following tables provide you with an overview of the open ports on this device.
● Protocol / function
Protocols that the device supports.
● Port number (protocol)
Port number assigned to the protocol.
● Default of the port
– Open
– Closed
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The port is open at the start of the configuration.
The port is closed at the start of the configuration.
LOGO! CMR2020,
Operating Instructions, 10/2016, C79000-G8976-C356-03
LOGO! CMR2040