Siemens SIMATIC NET MM900 Series, Compact Operating Instructions

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• Configurable port
– ✓
The port status can be changed.
– --
The port status cannot be changed.
• Authentication
Specifies whether the communication partner is authenticated.
• Encryption
Specifies whether or not the transfer is encrypted.
Protocol Protocol/
Port number Default port status Configurable port Authentication Encryption
DHCPv4 Server UDP/67
Closed ✓ No No
DHCPv4 Client UDP/68 Open ✓ No No
DHCPv6 IPv6 UDP/546 Closed ✓ 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
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
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 config‐
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, filtered -- No No
1) Port number can be configured via the WBM.
Recommendations on network security
MM900 media modules for SCALANCE XR-500M
Compact Operating Instructions, 04/2022, A5E03275846-05
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