Siemens SCALANCE XC-200 Set Up And Configuration page 56

5 Firewall configuration using the example of a SCALANCE SC632-2C
Definition of MA rules
In the following, the MAC rules are created which only allow communication that
has the MAC address of the ES as source or destination address. This means
multicast, broadcast and message frames between other subscribers are rejected.
Note You can determine the MAC address of the network adapter, e.g. via the
command prompt (CMD) using the command "ipconfig/all".
Information about all network adapters is displayed.
In the following, the MAC address of the network card is required to access the
PROFINET networks.
34. Go to the "Firewall" tab of the SCALANCE SC632-2C to open the properties
(1).
35. Switch to the tab "MAC rules" (2) and click on the button "Create" (3) to create
a new MAC rule.
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