Siemens SIMATIC CC712, Руководство по эксплуатации

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Configuration
4.1 Security recommendations
SIMATIC CC712
38
Operating Instructions, 05/2019, C79000-G8976-C503-01
Passwords
● Define rules for the use of devices and assignment of passwords.
● Regularly update the passwords to increase security.
● 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 NTP protocol provides a secure alternative with NTP (secure).
– Access to the Web server is only possible with HTTPS.
Server ports
The following table provides 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
The port is open at the start of the configuration.
– Closed
The port is closed at the start of the configuration.
● Port status
–
Open
The port is always open and cannot be closed.
– Open after configuration
The port is open if it has been configured.
● Authentication
Specifies whether or not the protocol authenticates the communications partner during
access.