Introduction
SIMATIC RTLS4330G
8
Operating Instructions, 09/2021, C79000-G8976-C559-03
Physical access
•
Restrict physical access to the device to qualified personnel.
•
Disable unused physical interfaces of the device. Unused interfaces could be used to gain
access to the operating site.
Software - Safety functions
•
Only use protocols that are required to operate the device.
•
Restrict access to the device with a firewall or rules in an ACL (Access Control List).
•
Using VLANs gives you good protection against DoS attacks. Check whether this is
practicable.
•
Activate the access logging function (external). Use the central logging function to record
changes and access.
•
Configure a SysLog server to save all logs to a central location.
List of available protocols
The following is a list of all available protocols and their ports through which the device can
be accessed.
Table 1- 1
List of available protocols
Service/
Protocol
Protocol/
port number
Default port
status
Configurable
port
Authentication
Encryption
Ethernet/IP
TCP 1010
Open
Yes
No
No
Ethernet/IP
TCP 1011
Open
Yes
No
No
Ethernet/IP
TCP 30704
Open
No
No
No
Ethernet/IP
TCP 30718
Open
No
No
No
Ethernet/IP
UDP 30718
Open
No
No
No
Ethernet/IP
UDP 30704
Open
No
No
No
•
Service/Protocol
Protocols that the device supports.
•
Protocol/port number
Port number assigned to the protocol.
•
Default port status
–
Open
The port is open at the start of the configuration.
–
Closed
The port is closed at the start of the configuration.
•
Configurable port
Indicates whether the port number can be configured.