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RE: Protecting Multiple Public IP Workstations
From: "Lists" <lists () sonicc net>
Date: Tue, 2 Mar 2004 00:16:17 +0400


If You're looking for the most secure firewall, consider a Full
Application Layer Proxy firewall which will understand the protocols
being used rather than just open up port 80 for example regardles of the
actual packet contents flowing through that port.

Symantec has some appliances that may be of use to you.

Good Luck

-----Original Message-----
From: Paul Kurczaba [mailto:paul () myipis com] 
Sent: Saturday, 28 February 2004 4:52 AM
To: MATT GIBSON; security-basics () securityfocus com
Subject: Re: Protecting Multiple Public IP Workstations

First of all, it's never a good idea to assign public IP's to
workstations on a networked environment (this type of environment is a
hackers wish come true). If you are not hosting services on all six
IP's, you can buy a $100-$150 firewall/router at compusa (I would
recommend Linksys or Netgear). Most have 4 or 8 ports. If the
firewall/router you buy only has 4 ports, also pick up a 4 port switch
(it's about $50-$70). If you need all 6 IP's (for hosting HTTP, FTP,
SMTP, etc.), you should probably get a CheckPoint FW-1 or a Cisco PIX.
Also, if you havn't already bought the Win2k server, I would suggest
Server 2003 instead. It takes less than 10 seconds to boot, the OS is
faster, and more secure than 2000.

just my $0.02

-Paul Kurczaba
----- Original Message ----- 
From: "MATT GIBSON" <mattgibson () shaw ca>
To: <security-basics () securityfocus com>
Sent: Thursday, February 26, 2004 2:11 PM
Subject: Protecting Multiple Public IP Workstations

Hey Everyone :)

We've got a client who (for various reasons) has a network (that's
currently p2p), and all the workstations (6) have public IP addresses.
It's a windows network (mixed 98 and 2000), and we're putting in a new
(win2k) Just wondering how to best protect this network?

My two thoughts are:

1) To use firewalls at the client level (don't like this idea)
2) To use RRAS on the server, and have the server route all the public
IP's through it first, and then run some sort of firewall on the server.

Any suggestions?

-Matt Gibson



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