ADSL modem & ip addresses

[chael at southgate.ph.inter.net]

If you can get an Alcatel Speedtouch USB (probably the most commonly used)
from your DSL provider, then you're in luck. It's in /usr/ports/net/pppoa.
Install it.

Then, lookin:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/pppoa.html  .
Remember, the device "Alcatel SpeedTouch USB" that should be in
/etc/usbd.conf must be exactly the same as the detected device while
booting-up or as displayed by the dmesg output.

You may also refer here for more info: http://speedtouch.sourceforge.net/

Re IP address, I simply extract whatever the DSL connection provides and
apply it in my ipfw firewall. I only have one NIC and the IP is static and
private (192.168...). The NIC is serving my internal clients in a NAT +
Transparent Proxy implementation.

> Hi,
> I'm organising an ADSL connection and I'm a bit confused about our
options.
>
> We need to provide web, ssh and mail access to our network for users from
home
> across the Internet with an ADSL connection.
> I figure the best way to do this is to setup a new machine to act as a
> firewall and run a web server & sendmail on this box. (or I have seen
> something about using socket to divert these services to our existing
server
> which has a private address).
> The firewall would have a NIC with a private IP address to connect to the
rest
> of our network.
>
> What's the best way then to connect it to the ADSL line?
> Do we have a second NIC in the firewall machine with a real IP address
> connected to an ADSL modem and use ppp -natd on that interface? Does that
> mean we'd need 2 static IP addresses - one for the firewall & one for the
> modem? (We really don't want to pay for 2 addresses)
>
> Or can we use a USB connection instead - are there FBSD drivers for ADSL
> modems? I can't see any in the supported hardware list.
>
> Or do we use a combined modem/router device to do the nat & firewalling
and
> have it redirect mail, web & ssh access to our main server? (is that
possible
> or do such devices not allow access into the network from the 'net?)
>
> Cheers,
> Ian
>
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