[isalist] Re: ISA Server 2004 comparison to SonicWall
- From: "Barbara Causey" <barbara@xxxxxxxxxxxxx>
- To: <isalist@xxxxxxxxxxxxx>
- Date: Thu, 26 Oct 2006 14:42:31 -0400
We have a T1 connection, 13 public Internet computers and 12 staff Internet
computers, but they don't all access the Internet at the same time.
----- Original Message -----
From: Rob Moore
To: isalist@xxxxxxxxxxxxx
Sent: Thursday, October 26, 2006 2:09 PM
Subject: [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
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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
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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
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
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
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
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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