Configuration (WBM)
5.1 Security recommendations
LOGO! CMR2020, LOGO! CMR2040
Operating Instructions, 10/2016, C79000-G8976-C356-03
55
●
Port status
–
Open
The port is always open and cannot be closed.
–
Open according to configuration
The port is open if it has been configured.
–
Open (login, when configured)
As default the port is open. After configuring the port, the communications partner
needs to log in.
–
Closed after configuration
The port is closed because the device is always client for this service.
●
Authentication
Specifies whether or not the protocol authenticates the communications partner during
access.
Table 5- 1
Ports of the LAN interface
Protocol / function Port number (pro-
tocol)
Default of the port Port status
Authentication
HTTP
80 (TCP)
Open
Open (login, when configured)
Yes
HTTPS
443 (TCP)
Open
Open (login, when configured)
Yes
LOGO!
Dynamic (TCP)
Closed
Open (outgoing) after configuration No
Table 5- 2
Ports of the WAN interface
Protocol / function Port number (pro-
tocol)
Default of the port Port status
Authentication
HTTPS
443 (TCP)
Closed
Open after configuration
Yes
OpenVPN
1194 (UDP)
can be set
Closed
Open after configuration
Yes
NTP
123 (UDP)
Closed
Open (outgoing) after configuration No
SMTP
Dynamic (TCP)
Closed
Open (outgoing) after configuration Yes
DynDNS
Dynamic (TCP)
Closed
Open (outgoing) after configuration Yes
DNS
Dynamic (UDP)
Closed
Open (outgoing) after configuration No