Siemens SIMATIC NET SCALANCE XM-400 Series - Page 17

Protocol Protocol/
Port number
Default port status Con󹪝gurable port Authentication Encryption
RADIUS UDP/
1812,1813
Closed ✓ Yes Yes
RIP UDP/520 Closed -- No No
RIPng IPv6 UDP/521 Closed ✓ No No
SMTP TCP/25
TCP/465
Closed ✓ Yes Yes
SNMP UDP/161 Open ✓ Yes Yes (when con󹪝g‐
ured)
SSH TCP/22 Open ✓ Yes Yes
Syslog UDP/514 Closed ✓ Yes Yes
TELNET TCP/23 Open ✓ Yes No
TFTP UDP/69 Open -- No No
VRRP TCP/50000 Open, 󹪝ltered -- No No
1)
Port number can be con󹪝gured via the WBM.
Recommendations on network security
SCALANCE XM-400
Operating Instructions, 03/2021, C79000-G8976-C306-10 17