Siemens SCALANCE W788-1 Operating Instructions Manual page 12

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
TELNET
HTTP
HTTPS
SNTP
NTP
SNMP
PROFINET
Syslog
EtherNet/IP
DHCP
RADIUS
TFTP
12
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/23
TCP/80
TCP/443
UDP/123
UDP/161
UDP/34964,
UDP/49154,
49155
UDP/514
TCP/44818,
UDP/2222,44818
UDP/67,68
UDP/1812,1813
UDP/69
Port status
Open (when configured) Open
Open (when configured) Open
Open (when configured) Open
Open (when configured) Open
Open (when configured) Closed
Open (when configured) Open
Open
Open (when configured) Open
Open (when configured)
Open (when configured)
Open (when configured)
Open (when configured)
Operating Instructions, 06/2016, A5E03678333-10
Default status of Authentication
the port
Yes
Yes
Yes
Yes
No
Yes
Open No
No
Open No
Closed No
Closed No
Closed No
SCALANCE W788-x / W748-1