Siemens TIM 1531 IRC User Manual

Configuration
4.1 Security recommendations
TIM 1531 IRC
Operating Instructions, 02/2018, C79000-G8976-C468-02
53
●
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 TIM 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
S7 and online
connections
102 (TCP) Open Open 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)
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.
These can be:
● MSC / 26382 (TCP) - configurable with a central interface: 1024 .. 65535
● NTP / 123 (UDP)
● DNS / 53 (UDP)

Siemens TIM 1531 IRC Specifications

General

Brand	Siemens
Model	TIM 1531 IRC
Category	Controller
Language	English