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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.
SCALANCE XC-200
Operating Instructions, 04/2018, C79000-G8976-C442-04
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".
2.1 Recommendations on network security
Safety notices
15
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