Siemens SCALANCE X320-3LD FE Operating Instructions Manual page 23

Protocol
SSH
HTTP
HTTPS
SNTP
NTP (secure)
SNMP
PROFINET IO
PROFINET IO
Service
SCALANCE X-300
Operating Instructions, 05/2016, A5E01113043-20
Port number Port status
TCP/22 Open
TCP/80 Open
(when configured)
TCP/443 Open
UDP/123 Open
(when configured)
UDP/161 Open
(when configured)
UDP/34964 Open
UDP/1026, 1027
TCP/84 Open
Safety instructions
1.4 Security recommendations
Default status of Authentication
the port
Open Yes
Open Yes
Open Yes
Closed No
Open Yes
Open No
Open No
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