[isalist] Re: ISA Server 2004 comparison to SonicWall

You may also want to do some monitoring of your ISA server, most likely
your NIC performance. You might also look at how many pages are being
returned from cache.
 
How many people do you have using your Internet connection and how big
is your connection?
 
Rob

________________________________

From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Rob Moore
Sent: Thursday, October 26, 2006 1:49 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: ISA Server 2004 comparison to SonicWall


The vendor will probably tell you that, because ISA is running on
Windows it's more vulnerable than a Sonic Wall firewall, and that
because it's running on Windows it's busier than the Sonic Wall would
be, thus slowing down your connection. He would, of course, be wrong.
 
Try to figure out where your bottleneck is. You need to do some
monitoring. Packeteer is one (expensive) way to do it. Your router may
have some built in tools for monitoring. Your ISP may be able to give
you some graphs of your Internet usage. We recently did this and found
that our connection was saturated most of the time.
 
Rob

________________________________

From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of Barbara Causey
Sent: Thursday, October 26, 2006 1:22 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: ISA Server 2004 comparison to SonicWall


Thank you Dr. Tom for the info, but if you could point me in the right
direction to see what is causing the slowness then maybe the Boss
wouldn't want to spend the money for the SonicWall! :-)
 
Thank you!

        ----- Original Message ----- 
        From: Thomas W Shinder <mailto:tshinder@xxxxxxxxxxx>  
        To: isalist@xxxxxxxxxxxxx 
        Sent: Thursday, October 26, 2006 1:03 PM
        Subject: [isalist] Re: ISA Server 2004 comparison to SonicWall

        Hi Barbara,
         
        In 99.987% of the cases "network slowness" is not an ISA
problem. The Sonicwall will inherit the same problems that were fasley
attributed to the ISA Firewall.
         
        The vendor should explain how the Sonicwall will solve this
performance problem (which he won't be able to).
         
        Tom
         
        Thomas W Shinder, M.D.
        Site: www.isaserver.org
        Blog: http://blogs.isaserver.org/shinder/
        Book: http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7> 
        MVP -- Microsoft Firewalls (ISA)

         


________________________________

                From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Barbara Causey
                Sent: Thursday, October 26, 2006 11:14 AM
                To: isalist@xxxxxxxxxxxxx
                Subject: [isalist] Re: ISA Server 2004 comparison to
SonicWall
                
                
                We have been having some problems with slowness on the
network and he is convinced ISA is the culprit and a vendor has told him
SonicWall will fix the problem.

                        ----- Original Message ----- 
                        From: Thomas W Shinder
<mailto:tshinder@xxxxxxxxxxx>  
                        To: isalist@xxxxxxxxxxxxx 
                        Sent: Thursday, October 26, 2006 11:57 AM
                        Subject: [isalist] Re: ISA Server 2004
comparison to SonicWall

                        The first question would be why would he want to
replace the ISA Firewall with a sonicwall? 
                         
                        Thomas W Shinder, M.D.
                        Site: www.isaserver.org
                        Blog: http://blogs.isaserver.org/shinder/
                        Book: http://tinyurl.com/3xqb7
<http://tinyurl.com/3xqb7> 
                        MVP -- Microsoft Firewalls (ISA)

                         


________________________________

                                From: isalist-bounce@xxxxxxxxxxxxx
[mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Barbara Causey
                                Sent: Thursday, October 26, 2006 10:48
AM
                                To: isalist@xxxxxxxxxxxxx
                                Subject: [isalist] ISA Server 2004
comparison to SonicWall
                                
                                
                                Hello List,
                                
                                The Boss is looking to replace our ISA
Server 2004 with a SonicWall. Will 
                                someone please give me enough
information about this comparison that I can 
                                convince him to keep ISA!
                                
                                Thank you,
                                Barbara
                                
                                
                                
                                
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