Firewall Wizards: RE: Exchange & Blackberry

["Claussen, Ken" <Ken () kccweb com>]

I would suggest Goodlink compared to Blackberry. It communicates via
3DES with the portable devices for good communication security. It also
supports a wider array of client devices. As well as Two Way
communication from the client devices.
For exchange I would suggest a Front-end  back-end architecture with the
Front End in the DMZ. Front end hosts OWA(DMZ), Back end has mailbox
store(LAN). Then the Sonic must be configured to allow the two to
communicate. The Front end also acts as an outbound mail relay. I would
suggest a Virus/Spam scanning Inbound mail relay, there are many vendors
so I will leave this decision up to the reader. These come in many
flavors (Windows, Unix, Linux, Proprietary, etc) and should be chosen
based on the skill set of the person who will administer the device and
the features (RBL, Bayesian filters, Rules, Etc) required by the
organization. HTH.

Ken Claussen MCSE (NT42K) CCNA CCA
"In Theory it should work as you describe, but the difference between
theory and reality is the truth! For this we all strive"

-----Original Message-----
From: Geoff Bleau [mailto:geoffb () bellsouth net] 
Sent: Monday, June 21, 2004 12:38 PM
To: Firewall Wizards
Subject: [fw-wiz] Exchange & Blackberry

Hi,

I'm looking for suggestions on 'best-policy' for implementing
a MS Exchange Server 2003 and Blackberry Server installation
at a client site.

Will be using a Sonicwall 2040 ( which has a DMZ port )

1) Where should the servers be placed ( LAN or DMZ ) ??
2) What security issues will this 'open up' ??
3) Any other caveats ??

Thanks,

Geoff Bleau


-- 
" I like my women like I
  like my coffee......
  bitter and murky. "
                        GC

Geoff Bleau     -     geoffb () bellsouth net
Florida Software & Data Systems     http://www.flsoft.com


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