Siemens CP 1243-1 User Manual

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
security diagnostics via port 8448 (Page 123).

Siemens CP 1243-1 Specifications

General

Brand	Siemens
Model	CP 1243-1
Category	Conference System
Language	English