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ISA 2003 behind Cisco 871w Firewall best setup?

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ISA 2003 behind Cisco 871w Firewall best setup? - 15.Jan.2007 6:37:40 PM   
ggraham2

 

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Joined: 2.Jul.2004
From: New York
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What is the best way to set this up
I would like all the traffic to flow through the ISA firewall with the exception wifi traffic.

Internet ąCable Modem ą Cisco 871w ą ISA Firewall ą 5 Port 10/100 Switch

Has any had to setup a similar configuration.

Should I use the ISA server back firewall Template as mentioned in Tom and Deb's Book Configuring on page 322  of ISA 2004 Networkbackend configuration wizard?

Cable Modem
Cisco 871w will be providing the follow services: Intergraded service router, 4 port switch, firewall, intrusion protection system, vpn, and wifi. Two VLAN one for guest and one for Internal users.
5 Port 10/100 Switch
ISA Firewall & VPN
Windows 2003 DC/DNS/DHCP/WINS

Thanks for you thoughs in advance, if there is a tutorial that I have overlooked please let me know.
Post #: 1
RE: ISA 2003 behind Cisco 871w Firewall best setup? - 19.Jan.2007 11:23:50 AM   
Kirill

 

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Joined: 26.Sep.2001
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There are multiple ways to get it done.
Do you have anything published behind your ISA server?


(in reply to ggraham2)
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RE: ISA 2003 behind Cisco 871w Firewall best setup? - 19.Jan.2007 3:28:18 PM   
ggraham2

 

Posts: 5
Joined: 2.Jul.2004
From: New York
Status: offline
Thanks for the response. No I don't have anything published at this time. Later on I might setup and website that I want to publish, but not for awhile.


(in reply to Kirill)
Post #: 3
RE: ISA 2003 behind Cisco 871w Firewall best setup? - 24.Jan.2007 11:57:26 AM   
Kirill

 

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Joined: 26.Sep.2001
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If you do not have anything published, the simplest way to achieve what you want would be to use "ip inspect" rules on the outside interface of the router, if your model supports it. It would open "dynamic" holes for the incoming traffic in response to the outgoing traffic generated by your network.
Another way would be to use an access list on an interface.

PS: I'm not sure what you meant by "wifi traffic".

(in reply to ggraham2)
Post #: 4
RE: ISA 2003 behind Cisco 871w Firewall best setup? - 24.Jan.2007 4:00:28 PM   
ggraham2

 

Posts: 5
Joined: 2.Jul.2004
From: New York
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Thanks I try your suggestions.

By "Wifi" I meant that this router has wireless capabilities intergraded into it.

(in reply to Kirill)
Post #: 5

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