Siemens SCALANCE XR-500 Operating Instructions Manual page 20

Security recommendations
3.1 Security recommendations
Available protocols
The following list provides you with an overview of the open protocol ports.
The table includes the following columns:
• Protocol
• Port
• Default port status
– Open
– Closed
• Configurable port
– ✓
– --
• Authentication
Specifies whether the communication partner is authenticated.
• Encryption
Specifies whether or not the transfer is encrypted.
The following is a list of all available services and their ports through which the device can be
accessed.
The table includes the following columns:
• Service
The services that the device supports
• Default port status
This is the status of the port in the delivery state (factory setting).
• Configurable port/service
Indicates whether the port number or the service can be configured via WBM / CLI.
• Authentication
Specifies whether the communication partner is authenticated.
If optional, the authentication can be configured as required.
• Encryption
Specifies whether the transfer is encrypted.
If optional, the encryption can be configured as required.
The following is a list of all available protocols and services as well as their ports through
which the device can be accessed.
Protocol
DHCPv4 Server
DHCPv4 Client (IPv4)
20
The factory setting of the port is "Open".
The factory setting of the port is "Closed".
The port status can be changed.
The port status cannot be changed.
Protocol/ Default port
Port number status
UDP/67 Closed
UDP/68 Open
Configurable Authenti‐
cation
Port Service
- ✓
- ✓
Operating Instructions, 07/2023, C79000-G8976-C692-01
Encryption
6)
- -
- -
SCALANCE XR-500