Siemens SIMATIC TeleControl DNP3 User Manual

Configuration
3.1 Security recommendations
Configuration - DNP3
Configuration Manual, 11/2018, C79000-G8976-C508-01
31
●
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 module is always client for this service.
●
Authentication
Specifies whether or not the protocol authenticates the communications partner during
access.
Protocol / function
Port number
(protocol)
Default of the port
Port status
Authentication
DNP3
20000 (UDP) Closed Open after configuration Yes, when secure
authentication is ena-
bled.
S7 and online
connections
102 (TCP) Open Open after configuration
*
No
Online security
diagnostics
(CP 1243-x /
CP 1542SP-1 IRC)
8448 (TCP) Closed Open after configuration Yes
HTTP
80 (TCP)
Closed
Open after configuration
No
HTTPS
443 (TCP)
Closed
Open after configuration
Yes
SNMP
161 (UDP)
Closed
Open after configuration
Yes (with SNMPv3)
*
For information on avoiding opening port 102 during diagnostics, see section Online
security diagnostics via port 8448 (CP) (Page 135).
Ports of communication partners and routers
Make sure that you enable the required client ports in the corresponding firewall on the
communications partners and in intermediary routers.

Siemens SIMATIC TeleControl DNP3 Specifications

General

Brand	Siemens
Model	SIMATIC TeleControl DNP3
Category	Control Unit
Language	English