NAT routers have an EPROM that is upgraded. There are various settings to
block or open specific ports for access in.
See the documentation for details... try
http://www.linksys.com as example.
"gaucho" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Here, GNU/Linux experienced user but newbie about ADSL modems.
>
> If one wish to choose an ADSL modem with security in mind... a router
> one (with NAT) the less features the modem offers the better isfor
security ?
>
> Imagine that one hack into de modem itself, as the admin.
>
> Imagine that behind the modem is a hub that spits the bandwidth
> toseveral desktops.
>
> The modem do not route inbound traffick, hand shakes that start outsideare
> totally ignored by the modem...
>
> What the intruder could do to harm the LAN from the modem ?
>