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Recommendations on network security
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
● Default port status
– Open
– Closed
● Configurable port
– ✓
– --
● Authentication
Specifies whether the communication partner is authenticated.
● Encryption
Specifies whether or not the transfer is encrypted.
16
The factory setting of the port is "Open".
The factory setting of the port is "Closed".
The port status can be changed.
The port status cannot be changed.
Extender for SCALANCE XM-400
Operating Instructions, 09/2018, C79000-G8976-C332-08
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