Configuration
4.1 Security recommendations
CP 1243-1
Operating Instructions, 04/2017, C79000-G8976-C365-03
39
Table: Meaning of the column titles and entries
The following table provides you with an overview of the open ports on this device.
●
Protocol / function
Protocols that the device supports.
●
Port number (protocol)
Port number assigned to the protocol.
●
Default of the port
–
Open
The port is open at the start of the configuration.
–
Closed
The port is closed at the start of the configuration.
●
Port status
–
Open
The port is always open and cannot be closed.
–
Open after 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 CP is always client for this service.
●
Authentication
Specifies whether or not the protocol authenticates the communications partner during
access.
Protocol / function Port number (pro-
tocol)
Default of the port Port status
Authentication
DNP3 listener
port
20000 (TCP)
Closed
Open after configuration
No
IEC listener port 102 (TCP)
Closed
Open after configuration
No
S7 and online
connections
2404 (TCP)
Open
Open after configuration *
No
Online security
diagnostics
8448 (TCP)
Closed
Open after configuration
No
HTTP
80 (TCP)
Closed
Open after configuration
No
HTTPS
443 (TCP)
Closed
Open after configuration
Yes
SNMP
161 (UDP)
Open
Open after configuration
Yes (with SNMPv3)
* For information on avoiding opening the port during diagnostics, see section Online
Содержание CP 1243-1
Страница 10: ...Table of contents CP 1243 1 10 Operating Instructions 04 2017 C79000 G8976 C365 03 ...
Страница 116: ...Configuration 4 12 Access to the Web server CP 1243 1 116 Operating Instructions 04 2017 C79000 G8976 C365 03 ...
Страница 140: ...Dimension drawings CP 1243 1 140 Operating Instructions 04 2017 C79000 G8976 C365 03 Figure B 2 From above ...