● Factory setting
– Open
The factory setting of the port is "Open".
– Closed
The factory setting of the port is "Closed".
● Authentication
Specifies whether or not the protocol is authenticated.
Protocol Port number Port status Factory setting of the 
port
Authentication
SSH TCP/22 Open (when config‐
ured)
Open Yes
TELNET TCP/23 Open (when config‐
ured)
Open Yes
HTTP TCP/80 Open (when config‐
ured)
Open Yes
HTTPS TCP/443 Open (when config‐
ured)
Open Yes
SNTP
NTP
UDP/123 Open (when config‐
ured)
Closed No
SNMP UDP/161 Open (when config‐
ured)
Open Yes
PROFINET UDP/34964, 
UDP/49154, 
49155
Open Open No
Syslog  UDP/514 Open (when config‐
ured)
Open No
EtherNet/IP TCP/44818, 
UDP/
2222,44818
 Open (when config‐
ured)
 Open  No
DHCP UDP/67,68  Open (when config‐
ured)
 Closed  No
RADIUS UDP/
1812,1813
 Open (when config‐
ured)
 Closed  No
TFTP UDP/69  Open (when config‐
ured)
 Closed  No
Security recommendations
SCALANCE W760/W720
10 Operating Instructions, 09/2017, C79000-G8976-C322-08