● Use the configuration options of the interfaces, e.g. the "Edge Type".
● Configure the receive ports so that they discard all untagged frames ("Tagged Frames
Only").
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
The factory setting of the port is "Open".
– Closed
The factory setting of the port is "Closed".
● Configurable port
– ✓
The port status can be changed.
– --
The port status cannot be changed.
● 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
Default port sta‐
tus
Configurable
port
Authentication
Encryption
TELNET
TCP/23
Open
✓
Yes
No
SSH
TCP/22
Open
✓
Yes
Yes
HTTP
TCP/80
Open
✓
Yes
No
HTTPS
TCP/443
Open
✓
Yes
Yes
SNMP
UDP/161
Open
✓
Yes
Yes (when con‐
figured)
PROFINET
UDP/34964
UDP/49154 - 49157
1)
Open
No
No
Recommendations on network security
SCALANCE XB-200
14
Operating Instructions, 03/2020, C79000-G8976-C359-09