Siemens SCALANCE XC-200 Operating Instructions Manual page 15

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
SSH TCP/22
HTTP TCP/80
HTTPS TCP/443
SNMP UDP/161
PROFINET UDP/34964,
UDP/49154 -
UDP/49157
SCALANCE XC-200
Operating Instructions, 07/2016, C79000-G8976-C442-01
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 Factory setting
Open (when con- Open
figured)
Open (when con- Open
figured)
Open Open
Open (when con- Open
figured)
Open Open
2.1 Recommendations on network security
Authentication Encryption
Yes Yes
Yes No
Yes Yes
Yes Yes (when config-
ured)
No No
Safety notices
15