----- Original Message -----
From: "David Gillett" <[log in to unmask]>
>
>  Routers with POTS (Plain Old Telephone Service) uplink ports have been
> manufactured, but they're rare and unlikely to become common.
>  The "obvious" solution is to run firewall software on a small Linux box
> with a modem and an Ethernet port.  (Many hardware routers/firewalls are, in
> fact, pre-packaged small Linux machines....)  The tricky part is to find a
> suitably-equipped small box -- other than carrying a second laptop.
>
Both solutions are quite big for travelling.

>
>  Odds are good that your software firewall is adequate for this job.
> Software firewalls are potentially vulnerable to things that are running on
> your PC, already inside that perimeter -- the kind of thing that your
> various antivirus and anti-spyware solutions may manage to detect and
> eliminate.
>

I don't know how there but here dialup ISPs firewall at least computers in
same segment. Some block almost all ports in same segment, only allowing
only some stopping LAN ports but allowing pinging.

Toomas


>

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