Siemens SIMATIC S7-1200 CP 1243-8 IRC User Manual

Configuration
4.1 Security recommendations
CP 1243-8 IRC
Operating Instructions, 02/2018, C79000-G8976-C385-03
57
●
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
20000 (TCP) Closed Open after configuration Yes, when secure
authentication is ena-
bled.
IEC
102 (TCP) Closed Open No
S7 and online
connections
2404 (TCP) Open Open after configuration
*
No
Online security
diagnostics
8448 (TCP) Closed Open after configuration No
Communication
via SINEMA RC
8448 (TCP) Closed Open after configuration Yes
HTTP
80 (TCP)
Closed
Open after configuration
Yes
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 174).

Siemens SIMATIC S7-1200 CP 1243-8 IRC Specifications

General

Product Type	Communication Processor
Series	SIMATIC S7-1200
Model	CP 1243-8 IRC
Data Transfer Rate	10/100 Mbps
Power Supply	24 V DC
Mounting	DIN rail
Dimensions (W x H x D)	45 mm x 100 mm x 75 mm
Digital Inputs Quantity	0
Digital Outputs Quantity	0
Supported Protocols	ISO-on-TCP
Interface	Ethernet
IP Addressing	Static, DHCP
Configuration	STEP 7 Basic/Professional
Operating Temperature	-20°C to +60°C
Weight	Approx. 200 g