[isalist] Re: ISA Server 2004 comparison to SonicWall

  • From: "James May" <Jmay@xxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 26 Oct 2006 11:47:48 -0700

Hi Barbra,

How is you firewall rules set up to you allow all outbound traffic, is
some running applications on one of the client workstations??? What
about your DNS config? Jim 

 

  _____  

From: Barbara Causey [mailto:barbara@xxxxxxxxxxxxx] 
Sent: Thursday, October 26, 2006 11:43 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: ISA Server 2004 comparison to SonicWall

 

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 <mailto:RMoore@xxxxxxxx>  

        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

         

        
  _____  


        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
                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
                                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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