The other question is "why do you feel the need to place that in a DMZ?" ISA can protect it on the internal net without all that noise... -----Original Message----- From: MarvinC [mailto:marvinc@xxxxxxxxx] Sent: Thursday, June 23, 2005 6:20 PM To: [ISAserver.org Discussion List] Subject: [isalist] RE: Upstream router and DMZ configuration...confused~~!! http://www.ISAserver.org One W2K3 server that I plan to install Exchange 2003 on and use as an OWA front-end server. I may opt to add my web server later on. On 6/23/05, Thomas W Shinder <tshinder@xxxxxxxxxxx> wrote: > http://www.ISAserver.org > > Hi Marvin, > What resources do you have in the DMZ? > 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: Thursday, June 23, 2005 1:13 AM > > To: [ISAserver.org Discussion List] > > Subject: [isalist] RE: Upstream router and DMZ > > configuration...confused~~!! > > > > http://www.ISAserver.org > > > > Ok so this leaves me with the following: > > > > 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: > > > > External: ISP Static IP > > IP: 70.148.240.122 > > Subnet: 255.255.255.248 > > GW: 70.148.240.121 > > > > Dial Up: BellSouth Connection > > > > Now comes the newbie questions: > > > > 1. Do I need to create any records or zones for the DMZ on the > > internal DNS server? > > > > > > On 6/23/05, Jim Harrison <Jim@xxxxxxxxxxxx> wrote: > > > http://www.ISAserver.org > > > > > > Hi Marvin, > > > > > > You dun a bad ting. > > > 1. Ditch the GW on the DMZ interface - it's non-functional. > > > 2. Unless you plan to lose lots of hair, you've failed to meet the > > > "public address" part of the DMZ network > > > 3. The static route Tom refers to is at the router, not the > > ISA. ISA in > > > effect becomes "another hop in the chain" between the ISP router and > > > your DMZ. > > > 4. Based on your IP setting, you don't have enough IPs to create a > > > public DMZ. Your /29 address space only provides 6 usable > > addresses; > > > not enough to subnet off for a DMZ. > > > > > > -----Original Message----- > > > From: MarvinC [mailto:marvinc@xxxxxxxxx] > > > Sent: Wednesday, June 22, 2005 9:51 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. 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Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > > ------------------------------------------------------ > > You are currently subscribed to this ISAserver.org Discussion > > List as: tshinder@xxxxxxxxxxxxxxxxxx > > To unsubscribe visit > > http://www.webelists.com/cgi/lyris.pl?enter=isalist > > Report abuse to listadmin@xxxxxxxxxxxxx > > > > > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp > ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > World of Windows Networking: http://www.windowsnetworking.com > Leading Network Software Directory: http://www.serverfiles.com > No.1 Exchange Server Resource Site: http://www.msexchange.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security 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