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• Configurable port
– ✓
– --
• Authentication
Specifies whether the communication partner is authenticated.
• Encryption
Specifies whether or not the transfer is encrypted.
Protocol
DHCPv4 Server
DHCPv4 Client
DHCPv6 IPv6
EtherNet/IP
HTTP
HTTPS
MSDP
NTP
SNTP
NTP (secure)
PROFINET
RADIUS
RIP
RIPng IPv6
SMTP
SNMP
SSH
Syslog
TELNET
TFTP
VRRP
1)
Port number can be configured via the WBM.
MM900 media modules for SCALANCE XR-500M
Compact Operating Instructions, 04/2022, A5E03275846-05
The port status can be changed.
The port status cannot be changed.
Protocol/
Default port status Configurable port
Port number
UDP/67
Closed
UDP/68
Open
UDP/546
Closed
TCP/44818
Closed
UDP/2222
UDP/44818
TCP/80
Open
TCP/443
Open
TCP/639
Closed
UDP/123
Closed
UDP/123
Closed
UDP/34964,
Open
UDP/49151
... 49159
1)
UDP/
Closed
1812,1813
UDP/520
Closed
UDP/521
Closed
TCP/25
Closed
TCP/465
UDP/161
Open
TCP/22
Open
UDP/514
Closed
TCP/23
Open
UDP/69
Open
TCP/50000
Open, filtered
Recommendations on network security
Authentication
✓
No
✓
No
✓
No
✓
No
✓
Yes
✓
Yes
✓
No
✓
No
✓
Yes
✓
No
✓
Yes
--
No
✓
No
✓
Yes
✓
Yes
✓
Yes
✓
Yes
✓
Yes
--
No
--
No
Encryption
No
No
No
No
No
Yes
No
No
No
No
Yes
No
No
Yes
Yes (when config‐
ured)
Yes
Yes
No
No
No
13
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