On Tue, Jan 30, 2001 at 11:44:29AM -0500, [EMAIL PROTECTED] wrote:
> I have some questions about building a firewall. I currently have a cable
> modem connection which of course gives me a static IP address. If I was to
> build a firewall using a old 486 could I still assign my Debian box the
> static IP address as it is needed for my server which I use for
> hosting. Or would the 486 use the static IP and assign the Debian box a
> private IP address? Also I know there are many firewall how to's out there
> but would appreciate any recommendations.
if you're using debian for your firewall:
apt-get install ipmasq
here's the setup:
+----------+ ] eth0 = your.ip.number --> internet
| debian |
| firewall |
+----------+ ] eth1 = 192.168.1.1 --> +-----+
--> | |
box1 = 192.168.1.39 --> | hub |
--> | |
boxn = 192.168.1.215 --> +-----+
edit /etc/network/interfaces to mirror your configuration:
# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)
# The loopback interface
iface lo inet loopback
iface eth1 inet static
address 192.168.1.1
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
# other localnet addrs can be anything in
# the 192.168.1.[2-254] range
# if your address isn't static, do this:
# iface eth0 inet dhcp
iface eth0 inet static
address YOUR.REAL.IP.NUMBER
netmask 255.255.255.0
network YOUR.REAL.IP.0
broadcast YOUR.REAL.IP.255
gateway YOUR.UPSTREAM.NET.NUMBER
# for me, it's my cablemodem number
# which is only 1 different from my
# debian/internet address. yours might
# just be your ISP server addr...
and then just
ipmasq -v
to implement it.
i think. :) if this reformats your hard drive, gives your
neightbors shingles, or straightens out the earth's axis,
don't use it.
--
See, if you were allowed to keep the money, you wouldn't
create jobs with it. You'd throw it in the bushes or
something. But the government will spend it, thereby
creating jobs. -- Dave Barry
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