RE: FW: [fw-wiz] The Death Of A Firewall
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Thu, 27 Oct 2005 08:57:39 -0500
Hi Dan,
Yea, I can see how that would be a disaster in an unmanaged environment,
where the clients are not subject to any secure policy or management at
all. The only advantage I see is that the firewall admins don't have to
deal with finding the Open Port buttons on their firewalls. Its
everything in and out. They must not have to pay for Internet use
though, since the worm traffic would bring the utilization through the
roof.
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://spaces.msn.com/members/drisa/
Book: http://tinyurl.com/3xqb7
MVP -- ISA Firewalls
**Who is John Galt?**
> -----Original Message-----
> From: Ball, Dan [mailto:DBall@xxxxxxxxxxx]
> Sent: Thursday, October 27, 2005 8:43 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: FW: [fw-wiz] The Death Of A Firewall
>
> http://www.ISAserver.org
>
> That is kinda the approach our local University takes. The student
> laptops (which ALL students are required to lease) basically
> have their
> own public IP address via WAPs all over campus.
>
> Horrendous design, but takes all the pressure off their IT
> department as
> everything is web-based, and the rest is unsupported.
>
> -----Original Message-----
> From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
> Sent: Wednesday, October 26, 2005 10:48 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] FW: [fw-wiz] The Death Of A Firewall
>
> http://www.ISAserver.org
>
> This is a very interesting article:
>
> http://www.securitypipeline.com/165700439
>
> I'll forgive the guy for thinking of high speed packet filters as the
> only type of "firewall" and some other conceptual blubobs. We can also
> ignore the title, since there are still firewalls segmenting different
> security perimeters, which is the thrust of the current article series
> on the www.isaserver.org Web site, and two more article series showing
> some other ways to do network security perimeter segmentation
> using ISA
> firewalls.
>
> What's interesting is that only the servers and other core network
> assets are protected and only to and from these assets are strong
> network access controls enforce. All the clients are considered
> untrusted, and sit behind an Internet router that lets
> everything in and
> out. I suppose this guy has a lot of public addresses to get away with
> this, but some companys have hundreds and thousands and tens of
> thousands to throw around.
>
> I'm going to chew on this idea some more, and see if I can tell a good
> ISA firewall story around it. It certainly would solve the "Open Port"
> button issue.
>
> Tom
>
>
> Thomas W Shinder, M.D.
> Site: www.isaserver.org
> Blog: http://spaces.msn.com/members/drisa/
> Book: http://tinyurl.com/3xqb7
> MVP -- ISA Firewalls
> **Who is John Galt?**
>
>
>
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