RE: Security of publishing Exchange 2000

  • From: "Mathews, Todd L Mr HQ INSCOM" <tlmathe@xxxxxxxxxxxxxxxxxxxxxxx>
  • To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 23 Oct 2002 12:25:44 -0400

It is a trade off, home users are allowed and encouraged to use and update
virus-scanning software and also personal firewall software configured to
update frequently. They might have more current dat files than someone using
a company laptop that is sitting at his house and only uses occasionally
when he connects somewhere/somehow and then pptp's into the pptp server,
which is also my ISA server. 

-----Original Message-----
From: Steve Bostedor [mailto:Steveb@xxxxxxxxxx] 
Sent: Wednesday, October 23, 2002 9:38 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Security of publishing Exchange 2000


http://www.ISAserver.org


Yea, but if their computer is infected with a virus, Trojan, or worm, that
bad code becomes part of your network.  I don't mind users of company owned
equipment using the VPN, but home users with computers that have no
antiviral software or the dat files are out of date are not going to connect
to my network in that manner.

-----Original Message-----
From: Mathews, Todd L Mr HQ INSCOM [mailto:tlmathe@xxxxxxxxxxxxxxxxxxxxxxx]
Sent: Wednesday, October 23, 2002 9:18 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Security of publishing Exchange 2000


http://www.ISAserver.org


I have users VPN into the ISA server box, pptp and then they can access
their mail either using outlook or OWA. Just a thought Todd

-----Original Message-----
From: Steve Bostedor [mailto:Steveb@xxxxxxxxxx] 
Sent: Wednesday, October 23, 2002 8:36 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Security of publishing Exchange 2000


http://www.ISAserver.org


        We have many users who would like to be able to get their Exchange
email from their unprotected home computers.  I see a lot of posts here
about publishing Exchange to the Internet.  How secure is that?  Is it
really safe to publish your Exchange RPC to the Internet?  
        I'm a bit reluctant to let them connect their unprotected home
computers to our LAN via VPN or dial-up in these days of rampant Internet
worms and Trojans.  We have been using www.gotomypc.com for the few that
needed remote access from unsecured computers, but that would be expensive
on the scale that is on the horizon here.  
        I have also considered publishing a Windows 2000 terminal server and
controlling access by the Windows 2000 "Log In Locally" policy.  What do you
guys think about the security aspect of these issues?

Thanks,
Steve

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Exchange Server Resource Site: http://www.msexchange.org/ Windows Security
Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions:
http://www.ntfaxfaq.com
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Exchange Server Resource Site: http://www.msexchange.org/ Windows Security
Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions:
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Exchange Server Resource Site: http://www.msexchange.org/ Windows Security
Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions:
http://www.ntfaxfaq.com
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