Blick auf wie gut Jay T. Blocksom
<usenet01+SPAMBLOCK@appropriate-tech.net> goh, a hundert LKWAS in
einer Reihe geht, einige mit Kühen und einige mit Enten on Sat, 27 Sep
2003 18:19:02 -0400:

>On Wed, 24 Sep 2003 22:17:59 GMT, in <alt.privacy.spyware>,
>"D11@anywhere.com" <> wrote:
> >
> [snip]
> >
> > Most consumer routers are just fine as firewalls if you don't need to
> > open any ports in them.
> [snip]
>
>Your statement is literally true, as far as it goes -- but running a router
>that closes *all* ports would make for a pretty useless 'net connection
>(translation: "*no* connection"). <~>
>
>Beyond that, a router is *NOT* at all the same thing (or an adequate
>substitute for) a proper firewall.
>
> > This is true whether the router uses NAT or
> > SPI technology.
> [snip]
>
>That's not an "either/or" proposition. A proper firewall uses *both* SPI
>*and* NAT (and PAT, and some other "stuff", for that matter).
>
thanks to both of you for the info.