Siemens SCALANCE XR-500, Руководство по эксплуатации

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Safety notes
2.1 Security recommendations
SCALANCE XR-500
14
Operating Instructions, 05/2017, A5E03275845-11
Interfaces security
● Disable unused interfaces.
● Use IEEE 802.1X for interface authentication.
● Use the function "Locked Ports" to block interfaces for unknown nodes.
● Use the configuration options of the interfaces, e.g. the "Edge Type".
● Configure the receive ports so that they discard all untagged frames ("Tagged Frames
Only").
Available protocols
The following list provides you with an overview of the open protocol ports.
The table includes the following columns:
● Protocol
● Port
● Port status
–
Open
The port is always open and cannot be closed.
– Open (when configured)
The port is open if it has been configured.
● Factory setting
–
Open
The factory setting of the port is "Open".
– Closed
The factory setting of the port is "Closed".
● Authentication
Specifies whether or not the protocol is authenticated.
● Encryption
Specifies whether or not the transfer is encrypted.
Protocol Port number Port status Default status of the
port
Authentication Encryption
TELNET TCP/23 Open (when config-
ured)
Open Yes No
SSH TCP/22 Open (when config-
ured)
Open Yes Yes
HTTP TCP/80 Open (when config-
ured)
Open Yes No
HTTPS TCP/443 Open (when config-
ured)
Open Yes Yes