Siemens SCALANCE X-200 Operating Instructions Manual page 32

Safety notices
3.3 Security recommendations
● Port status
– Open
– Open (when configured)
● Default status of the port
– Open
– Closed
● Authentication
Specifies whether or not the protocol is authenticated during access.
Protocol
SSH
HTTP
HTTPS
SNTP
NTP (secure)
SNMP
PROFINET IO
PROFINET IO
Service
32
The port is always open and cannot be closed.
The port is open if it has been configured.
Note
With some protocols the port may be open although the corresponding protocol is
disabled, for example TFTP.
As default the port is open.
As default the port is closed.
Port number
TCP/22
TCP/80
TCP/443
UDP/123
UDP/161
UDP/34964
UDP/1026, 1027
TCP/84
Port status Default status of
the port
Open Open
Open Open
Open Open
Open Closed
(when configured)
Open Open
(when configured)
Open Open
Open Open
Operating Instructions, 03/2015, C79000-G8976-C284-06
Authentication
Yes
Yes
Yes
No
Yes
No
No
SCALANCE X-200