
Security recommendations
SCALANCE W774-1 /W734-1
10
Operating Instructions, 01/2017, C79000-G8976-C325-08
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
The port is always open and cannot be closed.
–
Open (when configured)
The port is open if it has been configured.
●
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 configured)
Open
Yes
TELNET
TCP/23
Open (when configured)
Open
Yes
HTTP
TCP/80
Open (when configured)
Open
Yes
HTTPS
TCP/443
Open (when configured)
Open
Yes
SNTP
NTP
UDP/123
Open (when configured)
Closed
No
SNMP
UDP/161
Open (when configured)
Open
Yes
PROFINET
UDP/34964,
UDP/49154,
49155
Open
Open
No
Syslog
UDP/514
Open (when configured)
Open
No
EtherNet/IP
TCP/44818,
UDP/2222,4481
8
Open (when configured) Open
No
DHCP
UDP/67,68
Open (when configured) Closed
No
RADIUS
UDP/1812,1813 Open (when configured) Closed
No
TFTP
UDP/69
Open (when configured) Closed
No