Safety notes
2.1 Security recommendations
SCALANCE XR-500
14 Operating Instructions, 05/2017, A5E03275845-11
● 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").
The following list provides you with an overview of the open protocol ports.
The table includes the following columns:
●
●
●
– Open
The port is always open and cannot be closed.
– Open (when configured)
The port is open if it has been configured.
●
– Open
The factory setting of the port is "Open".
– Closed
The factory setting of the port is "Closed".
●
Specifies whether or not the protocol is authenticated.
●
Specifies whether or not the transfer is encrypted.
Default status of the
port
TCP/23 Open (when config-
Open Yes No
TCP/22 Open (when config-
ured)
Open Yes Yes
TCP/80 Open (when config-
Open Yes No
TCP/443 Open (when config-
Open Yes Yes