Siemens SCALANCE XR524-8C Operating Instructions Manual page 14

Safety notes
2.1 Security recommendations
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
– Open (when configured)
● Factory setting
– Open
– Closed
● Authentication
Specifies whether or not the protocol is authenticated.
● Encryption
Specifies whether or not the transfer is encrypted.
Protocol Port number
TELNET TCP/23
SSH TCP/22
HTTP TCP/80
HTTPS TCP/443
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The port is always open and cannot be closed.
The port is open if it has been configured.
The factory setting of the port is "Open".
The factory setting of the port is "Closed".
Port status
Open (when config-
ured)
Open (when config-
ured)
Open (when config-
ured)
Open (when config-
ured)
Default status of the Authentication
port
Open Yes
Open Yes
Open Yes
Open Yes
Operating Instructions, 05/2017, A5E03275845-11
Encryption
No
Yes
No
Yes
SCALANCE XR-500