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• Factory setting
Indicates the state of the port on delivery or after reset to factory settings.
• Authentication
Specifies whether the communication partner is authenticated.
• Encryption
Specifies whether or not the transfer is encrypted.
Protocol
SSH
TELNET
HTTP
PROFINET IO
Service
HTTPS
DHCP
SNTP
NTP (secure)
SNMP
PROFINET IO
*
These ports are assigned dynamically and can differ from the values specified here.
)
Decommissioning
Shut down the device properly to prevent unauthorized persons from accessing confidential
data in the device memory.
To do this, restore the factory settings on the device.
Also restore the factory settings on the storage medium.
SCALANCE X-200
Operating Instructions, 11/2021, C79000-G8976-C284-15
Port number
Port status
TCP/22
Open
TCP/23
Open
(when config‐
ured)
TCP/80
Open
(when config‐
ured)
TCP/84
Open
TCP/443
Open
UDP/68
Open
(when config‐
ured)
UDP/123
Open
(when config‐
ured)
UDP/161
Open
(when config‐
ured)
UDP/34964
Open
UDP/49152,
49153 *
)
Recommendations on network security
Factory setting Authentication Encryption
Open
Yes
Open
Yes
Open
Yes
Open
No
Open
Yes
Closed
No
Closed
No
Open
Yes
Open
No
Yes
No
No
No
Yes
No
No
Yes
Yes
(SNMPv3)
No
17
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