Lightning SA MultiCom, User Manual

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Chapter 3 Getting Started
48 MultiCom Firewall User’s Manual
Linux
Configuring the network settings for your Linux-based computer will depend on
the type of graphical interface and Linux distribution that you have. Be sure
you've installed the TCP/IP options when you installed your version of Linux.
Otherwise please refer to the documentation that came with your system for the
method of configuring your particular networking options.
The following instructions were used on the Debian distribution by editing the
configuration file at
/etc/network
For configuration of the Ethernet interface to use DHCP services
iface eth0 inet dhcp
To manually set the IP address of the interface card
iface eth0 inet static
address 10.0.0.2
netmask 255.0.0.0
broadcast 10.255.255.255
firewall 10.0.0.1
Choosing the Internet Connection
Common Configurations
There are 5 common ways to configure your new MultiCom Firewall for use on
your network and they are listed below. These assume that your Broadband
modem can be (or already is) configured in “bridging” mode, allowing the
firewall direct access to your ISP network. The option you choose depends on
how your ISP has configured your Internet access. These options are available
using the Easy-Setup on the built-in web server or the Configurator software on
your MultiCom Companion CD.
1. DHCP: requires the ISP to have a DHCP server.
2. PPPoE: requires a PPPoE username, password, and that the broadband
modem is configured into “bridge” mode.
3. PPTP: requires a PPTP username, password and router/server IP addresses of