User Documentation

Version 1.2 / August 2020 Page 87 / 102
►Click Next to finish this rule-set (containing 1 rule).
Now the new rule-set Modbus_L2 is displayed in the Layer-2 filter list.
Figure 11: Layer-2 filter list containing new rule-set “Modbus_L2”
As next steps we configure all other necessary firewall settings. After that we will organize all rule-sets in the
order (from top to down) and will apply the settings.
2.2 Configuration of a rule-set containing 2 rules which allow any PTP communication based on
protocol UDP, ports 319 and 320, either initially incoming at WAN port or LAN port.
►Click ‘+’ icon to add a new rule-set.
►Add a name for the new rule-set (here PTP_L2).
►Click Next.
►Click Add to add a new rule to this rule-set (container).