• 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
Port number
Port status
Factory set‐
ting
Authentica‐
tion
Encryption
1)
FTP
TCP/21
Open
Open
✓
-
SSH Server
TCP/22
Open
Open
✓
✓
TELNET
TCP/23
Open
(when config‐
ured)
Closed
✓
-
HTTP
TCP/80
Open
(when config‐
ured)
Open
✓
-
PROFINET
Service
TCP/84
Open
Open
-
-
SSL Server
TCP/443
Open
Open
✓
✓
DHCP
UDP/68
Open
(when config‐
ured)
Open
-
-
SNTP
UDP/123
Open
(when config‐
ured)
Closed
-
-
NTP (secure)
✓
SNMP
UDP/161
Open
(when config‐
ured)
Open
✓
✓
(SNMPv3)
RADIUS Client UDP/1812,
1813
Open
Open
✓
-
PROFINET
UDP/34964
UDP/49152,
49153 *
)
Open
(when config‐
ured)
Open
-
-
1)
You can find additional information on the encryption methods used in the WBM appendix
"Ciphers used".
*
)
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.
Security recommendations
SCALANCE XR-300M PoE
Compact Operating Instructions, 03/2022, A5E02661178-15
17