I agree with the fact that if u limit the connections to the modem it will
be the start of protecting it but...
ANYONE who will access your modem, meaning he has to break into the "server:
first and from it access the modem, can control it and one of the basic
things he can do is make it unusable for u.
The first thing you should do is set the password on the modem, Bezeq never
do it on installations.
The second thing is to protect your "server", If they cant access it they
cant access the modem.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
Behalf Of Dani Arbel
Sent: Wednesday, April 25, 2001 8:40 PM
To: Shlomi Fish
Cc: [EMAIL PROTECTED]
Subject: Re: Protecting against the Alcatel ADSL modem vulnerability
Shlomi,
Your ADSL has an ip # in 10 net , and is not accesible from outside. You
have to protect your host ip # only.
If you are paranoid and fear that someone will control your ADSL modem
from outside (pure ATM) then you can limit the connections alowed for
10.0.0.138 .
Dani
On Wed, 25 Apr 2001, Shlomi Fish wrote:
>
> Hi!
>
> I have an Alcatel ADSL modem at home and I use it to connect my Mandrake
> 7.2 Linux to the Internet. I followed the HOWTO and everything is working
> fine.
>
> Now, I want to set up a firewall that will protect my computer in case
> somebody penetrates the modem. I have already set up an IP-Chains firewall
> to protect me against connecting to TCP ports via the ppp0 interface, but
> should I also do it for the "eth0" interface?
>
> Any pointers and guidelines would be highly appreciated.
>
> Regards,
>
> Shlomi Fish
>
>
>
> ----------------------------------------------------------------------
> Shlomi Fish [EMAIL PROTECTED]
> Home Page: http://t2.technion.ac.il/~shlomif/
> Home E-mail: [EMAIL PROTECTED]
>
> A more experienced programmer does not make less bugs. He just realizes
> what went wrong more quickly.
>
>
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