Siemens SCALANCE W788C-2 Series Operating Instructions Manual page 10

Security recommendations
Available protocols per port
The following list provides you with an overview of the open ports on this device.
The table includes the following columns:
● Protocol
All protocols that the device supports
● Port number
Port number assigned to the protocol
● Port status
– Open
– Open (when configured)
● Factory setting
– Open
– Closed
● Authentication
Specifies whether or not the protocol is authenticated.
Protocol
SSH
TELNET
HTTP
HTTPS
SNTP
NTP
SNMP
PROFINET
Syslog
EtherNet/IP
DHCP
RADIUS
TFTP
10
The port is always open and cannot be closed.
The port is open if it has been configured.
The factory setting of the port is "Open".
The factory setting of the port is "Closed".
Port number
TCP/22
TCP/23
TCP/80
TCP/443
UDP/123
UDP/161
UDP/34964,
UDP/49154,
49155
UDP/514
TCP/44818,
UDP/2222,4481
8
UDP/67,68
UDP/1812,1813
UDP/69
Port status
Open (when configured)
Open (when configured)
Open (when configured)
Open (when configured)
Open (when configured)
Open (when configured)
Open
Open (when configured)
Open (when configured)
Open (when configured)
Open (when configured)
Open (when configured)
Operating Instructions, 01/2017, A5E03692120-11
Factory setting Authentication
of the port
Open Yes
Open Yes
Open Yes
Open Yes
Closed No
Open Yes
Open No
Open No
Open No
Closed No
Closed No
Closed No
SCALANCE W788C-2