Protocol
Protocol/
Port number
Default port sta‐
tus
Configurable
port
Authentication
Encryption
PROFINET
UDP/34964
UDP/49151 … 49159
1)
Open
✓
No
No
RADIUS
UPD/1812,1813
Closed
✓
Yes
Yes
SMTP
TCP/25
TCP/465
Closed
✓
Yes
Yes
SNMP
UDP/161
Open
✓
Yes
Yes (when con‐
figured)
SSH
TCP/22
Open
✓
Yes
Yes
Syslog
UPD/514
TCP/6514
Closed
✓
Yes
Yes
TELNET
TCP/23
Open
✓
Yes
No
TFTP
UDP/69
Open
✓
No
No
1)
Port number can be configured via the WBM.
Recommendations on network security
SCALANCE XR-300WG
Operating Instructions, 03/2021, C79000-G8976-C454-07
15