Smoothwall + ADSL

Smoothwall + ADSL
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Subject Author Date
Smoothwall + ADSL Geoff Richards 06-14-2005
|--> Re: Smoothwall + ADSL jeffreyalsip@gm...06-14-2005
Posted by Geoff Richards on June 14, 2005, 10:17 am
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Greetings
My knowledge of security issues is very limited,at the moment I run a
small ( 3 computer ) LAN using dialup.
I am curently using an old 233 with a Linux variant called 'Smoothwall'
as a firewall,my dialup modem connects to the firewall which is
connected to a hub to share with the other computers
In the coming week I will be connecting via ADSL with a modem supplied
by my ISP. I am wondering if anyone can tell me if I can just replace my
dialup modem with the ADSL unit as I am quite happy with my firewall,
or do ADSL modems have inbuilt firewall properties that make my firewall
obsolete
Regards
Geoff


Posted by jeffreyalsip@gmail.com on June 14, 2005, 5:40 am
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The change to ADSL on a Smoothwalls turns out to be very straight
forward. First determine how the modem wishes to connect to the
Smoothie...it will either be by USB or Ethernet. In either case, shut
down the smoothie, remove the old modem and connect up the new
hardware. I'm sure you can see that if your ADSL connects by ethernet,
then a second Net card will be required. When you reboot the Smootwall,
log in as "setup" and follow the necessary steps that are spelled out
in the "install" manual that is on the Smoothwall install disk.

My SBC DSL modem connects via Ethernet to a second Net card on my
Smoothie. I left the GREEN interface (the connection to the hub and all
the workstations) alone, without changes. The second net card was setup
as the RED interface, with DHCP enabled, and connected to the modem. As
you can see, I am accessing the Internet just fine.

I was getting the feeling that I am the only Smoothwall advocate on
this newsgroup...it's good to see another enthusiast. Please try to
muster a cynical smile when others here post replies that encourage you
to remove your Smoothie and replace it with a $1000 firewall appliance.
They will tell you that your 233 burns too much power, and by spending
$1000 you may be able to save one kilowatt per year!!! No
kidding...they actually think it's worth it.

Remember to keep up with the Smoothie updates...fixes7 was just
released a few weeks ago.

Stay the course. Fight the good fight.
Jeff



Posted by Duane Arnold on June 14, 2005, 11:28 am
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Geoff Richards wrote:

> Greetings
> My knowledge of security issues is very limited,at the moment I run a
> small ( 3 computer ) LAN using dialup.
> I am curently using an old 233 with a Linux variant called 'Smoothwall'
> as a firewall,my dialup modem connects to the firewall which is
> connected to a hub to share with the other computers
> In the coming week I will be connecting via ADSL with a modem supplied
> by my ISP. I am wondering if anyone can tell me if I can just replace my
> dialup modem with the ADSL unit as I am quite happy with my firewall,
> or do ADSL modems have inbuilt firewall properties that make my firewall
> obsolete

A standalone ADSL modem is just that a modem just like your dial-up modem is
just a modem nither one has any protection features to prevent an attack
from the Internet. However, there are ADSL modem/router combinations with
the router part of the combination that has FW like features.

Duane :)


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