Siemens SIMATIC NET TeleControl S7-1200 CP 1243-1 User Manual

Configuration
4.1 Security recommendations
CP 1243-1
Operating Instructions, 12/2016, C79000-G8976-C365-02
35
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 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 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
DHCP
68 (UDP) Closed Open after configuration (while the
CP obtains a new address)
No
S7 and online
connections
102 (TCP) Open Open after configuration
*
No
Online security
diagnostics
8448 (TCP) Closed Open after configuration No
SMTP
25 (TCP)
can be set
Closed Closed after configuration No
SMTPS
(SSL/TLS)
465 (TCP)
can be set
Closed Closed after configuration Yes
STARTTLS
587 (TCP)
can be set
Closed Closed after configuration No
NTP
123 (UDP)
Closed
Closed after configuration
No

Siemens SIMATIC NET TeleControl S7-1200 CP 1243-1 Specifications

General

Compatible Controllers	S7-1200
Interface	Ethernet
Power Supply	24 V DC
Number of Possible Connections	8
Mounting Type	DIN rail
Weight	200 g
Data Transfer Rate	10/100 Mbps
Protocols	TCP/IP, UDP, DNP3, IEC 60870-5-104
Supply Voltage	20.4 ... 28.8 V DC
Current Consumption	100 mA
Operating Temperature	-20 ... +60 °C