Siemens SIMATIC NET SCALANCE XR-300WG Operating Instructions Manual page 14

Recommendations on network security
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.
List of available protocols (local access via a local network)
The following is a list of all available protocols and their ports through which the device can be
accessed.
Protocol Protocol/
Port number
DHCPv4 Server UDP/67
DHCPv4 Client UDP/68
Discard TCP/9
Echo IP UPD/TCP/9
EtherNet/IP TCP/44818
UDP/2222
UDP/44818
HTTP TCP/80
HTTPS TCP/443
Kerberos TCP/464
NTP UDP/123
SNTP
NTP (secure) UDP/123
14
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.
Default port sta‐
tus
Closed
Open
Open, filtered
Open
Closed
(Open with
EtherNetIP var‐
iants)
Open
Open
Open, filtered
Closed
Closed
Configurable Authentication
port
✓ No
✓ No
-- No
-- No
✓ No
✓ Yes
✓ Yes
-- No
✓ No
✓ Yes
Operating Instructions, 03/2021, C79000-G8976-C454-07
Encryption
No
No
No
No
No
No
Yes
No
No
No
SCALANCE XR-300WG