Abstract
If you configured your firewall to be a DHCP server, follow this very procedure, otherwise go to the next section.
In the dialog that appears, fill the fields as shown hereafter:
In the MacTCP control panel, select the Ethernet network driver (caution, it's not EtherTalk) then click the More... button.
Under Gateway Address, enter the address of the Linux box sharing the connection (192.168.0.1 in our example).
Click OK to save the settings. You may have to restart your system to test these settings.