On Thu, 11 Jan 2007, Kent Fredric wrote:


Generally, these devices provide full DHCP, DNS,NTP, Port/Host based
routing/firewalling etc, and all users are NAT'ed behind it.

Generally, the modem handles all the potentially difficult nasties of
gettting the PPP stuff underway, and you cant even tell what your
external IP is unless you query the modems web interface. To the user,
you can just be 192.168.1.50, and the modem can be 192.168.1.1, and
the modem being the default gateway, and all the rest is handled by
NAT magic.

So this means that all firewalling is made by the router, who knows with
what software...
That said, i have one reason why I myself would like a box i crafted
myself with a PCI modem in it,  and thats primarily so i can implement
routing, traffic monitoring and the like more configurably, and in my
experience, some modems are often 'poxy' and can crash occasionally as
a result of using bittorrent. ( I have the modem set to send its
syslog errors to my linux boxes syslog and its full of MASQUERADE: No
route: Rusty's brain broke! )

Yes... I doubt a router-embedded firewall will allow me to configure it
as I want.

Thank you for your input.

--
Jorge Almeida
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