Siemens SIMATIC NET SCALANCE XM-400 Series - Protocol Port Overview

Available protocols
The following list provides you with an overview of the open protocol ports.
The table includes the following columns:
• Protocol
• Port
• Default port status
– Open
The factory setting of the port is "Open".
– Closed
The factory setting of the port is "Closed".
• Con󹪝gurable port
– ✓
The port status can be changed.
– --
The port status cannot be changed.
• Authentication
Speci󹪝es whether the communication partner is authenticated.
• Encryption
Speci󹪝es whether or not the transfer is encrypted.
Protocol Protocol/
Port number
Default port status Con󹪝gurable port Authentication Encryption
DHCPv4 Server UDP/67 Closed ✓ No No
DHCPv4 Client UDP/68 Open ✓ No No
DHCPv6 IPv6 UDP/546 Closed ✓ No No
Discard TCP/9 Open, 󹪝ltered -- No No
Echo IP UPD/TCP/9 Open -- No No
EtherNet/IP TCP/44818
UDP/2222
UDP/44818
Closed ✓ No No
HTTP TCP/80 Open ✓ Yes No
HTTPS TCP/443 Open ✓ Yes Yes
Kerberos TCP/464 Open, 󹪝ltered -- No No
MSDP TCP/639 Closed ✓ No No
NTP
SNTP
UDP/123 Closed ✓ No No
NTP (secure) UDP/123 Closed ✓ Yes No
PROFINET UDP/34964,
UDP/49151
… 49159
1)
Open ✓ No No
Recommendations on network security
SCALANCE XM-400
16 Operating Instructions, 03/2021, C79000-G8976-C306-10