RE: Upstream router and DMZ configuration...confused~~!!

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 23 Jun 2005 00:22:58 -0500

Hi Marvin,

OK, got it. But you're not using a public address DMZ.

Tom
www.isaserver.org/shinder
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7
MVP -- ISA Firewalls

 

> -----Original Message-----
> From: MarvinC [mailto:marvinc@xxxxxxxxx] 
> Sent: Thursday, June 23, 2005 12:09 AM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RE: Upstream router and DMZ 
> configuration...confused~~!!
> 
> http://www.ISAserver.org
> 
> Page 592 and 593 discuss the public address DMZ segment and it has an
> IP listed on this interface in both the route and NAT relationships.
> 
> On 6/23/05, Thomas W Shinder <tshinder@xxxxxxxxxxx> wrote:
> > http://www.ISAserver.org
> > 
> > Hi Martin,
> > 
> > There's nothing in the config you show here that would 
> require a static
> > route. Can you point me to the page number in question and 
> I'll try to
> > clarify.
> > 
> > Also, why do you have a DNS server address on the DMZ interface?
> > 
> > Thanks!
> > 
> > Tom
> > www.isaserver.org/shinder
> > Tom and Deb Shinder's Configuring ISA Server 2004
> > http://tinyurl.com/3xqb7
> > MVP -- ISA Firewalls
> > 
> > 
> > 
> > > -----Original Message-----
> > > From: MarvinC [mailto:marvinc@xxxxxxxxx]
> > > Sent: Wednesday, June 22, 2005 11:51 PM
> > > To: [ISAserver.org Discussion List]
> > > Subject: [isalist] Upstream router and DMZ
> > > configuration...confused~~!!
> > >
> > > http://www.ISAserver.org
> > >
> > > I've asked this question before but it was under different
> > > circumstances so I need to try again for further clarification.
> > > This may seem like a "dumb question" but it's one I have to ask so
> > > please accept my apologizes in advance if anyone's bothered by it.
> > > I have the Configuring ISA 2004 book and I'm reading an article in
> > > Chapter 7 entitled "Creating and configuring a public address
> > > tri-homed DMZ Network". I have on my ISA2K box three (3) network
> > > adapters with the following settings in the following order:
> > >
> > > Internal:
> > > IP: 10.0.0.x
> > > Subnet: 255.0.0.x
> > > GW:
> > > DNS: IP of internal DNS server.
> > >
> > > DMZ:
> > > IP: 172.16.0.x
> > > Subnet: 255.0.0.x
> > > GW: 172.16.0.1
> > > DNS: 172.16.0.1
> > >
> > > External: ISP Static IP
> > > IP: 70.148.240.122
> > > Subnet: 255.255.255.248
> > > GW: 70.148.122.121
> > >
> > > There is mention in the book on creating static routes to 
> the upstream
> > > router to ensure communication between the networks. I'm 
> not sure what
> > > the upstream router is and need clarification. Is this a 
> seperate unit
> > > functioning as a router or is this the ISA server? Where 
> do I enter
> > > this command and is this the correct syntax for the command:
> > >
> > > router add 172.16.0.0 add 172.16.0.0 0 mask 255.255.0.0 
> 192.168.1.20
> > >
> > > Would anyone have any links or articles that cover static 
> routes as
> > > they relate to ISA2K4? I'm also trying to determine if 
> the external
> > > interface consititutes as a public address?
> > > ANY responses are greatly appreciated. ANY!!!
> > >
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> Windows Security Resource Site: http://www.windowsecurity.com/
> Network Security Library: http://www.secinf.net/
> Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
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