Well, here's an idea. It depends on the type of phone system you have
and whether or not your user needs inbound dialing. Most phone systems
are PBX types that are pretty configurable. Make the modem line an
PABX or not, most teleco's will let you do call-diversion to another line
or have
]
cc:
06/11/02 02:17 AM Subject: RE: Modem Security
Message-
From: list [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 07, 2002 5:07 PM
To: [EMAIL PROTECTED]; 'Chris Berry'
Subject: RE: Modem Security
You could install a personal firewall on the individuals PC.
-Original Message-
From: Chris Berry [mailto:[EMAIL PROTECTED]]
Sent: Friday
Assuming she only dials out, having a modem on her desktop is not really
that big a security risk. I would simply lock down her desktop (using NT
workstation or 2000) so she cannot install any software or configure the
hardware.
At 07:45 AM 6/10/2002 +0300, [EMAIL PROTECTED] wrote:
linux is
Is the modem sitting by her? Sounds like it. Uss the on/off relay for
when she isn't using it...
Jim
Jonathan Strine wrote:
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First, I am assuming that your user is using the modem on her PC to
*make* the call to the legacy billing system
You're making this more complicated than it needs to be. The simplest and most secure
method is to use a callback system
-Original Message-
From: Chris Berry [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 07, 2002 2:08 PM
To: [EMAIL PROTECTED]
Subject: Modem Security
I think I've
You could install a personal firewall on the individuals PC.
-Original Message-
From: Chris Berry [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 07, 2002 11:08 AM
To: [EMAIL PROTECTED]
Subject: Modem Security
I think I've got my internet connection security coming together,
but
On Fri, Jun 07, 2002 at 06:07:31PM -, Chris Berry wrote:
I think I've got my internet connection security coming together, but
I'm worried about a potential back door. I have one worker who absolutely
has to have a modem to contact the legacy system our billing service
uses.
You
Only have the modem turned on or connected to the phone lines when this
person is going to call in. Then, have it do a callback.
-Original Message-
From: Chris Berry [mailto:[EMAIL PROTECTED]]
Sent: Friday, June 07, 2002 1:08 PM
To: [EMAIL PROTECTED]
Subject: Modem Security
I
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
First, I am assuming that your user is using the modem on her PC to
*make* the call to the legacy billing system (i.e. the billing system
is not *calling* your user). Also, I am assuming that your user is
using the modem to *directly* connect to
There are different ways to use it I think.
First you need to determin if the modem only
needs to dial out of into your network. If the
modem is only used to dial out to the legacy
system of your network then configure the modem
to only allow dial-out.
If you need to use the modem to dialin
Well, here's an idea. It depends on the type of phone system you have
and whether or not your user needs inbound dialing. Most phone systems
are PBX types that are pretty configurable. Make the modem line an
analog extension rather than a direct POTS (Plain Old Telephone Service)
line.
linux is a good bet, all you have to do is open the right ports via your
firewall which should not take you that long. I would suggest you go for
the linux solutions
Ziggy
I think I've got my internet connection security coming together,
but
I'm worried about a potential back
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