ISA Server 2006: Forward to Council Proxy

rlen · 30-11-2009, 01:10 PM

Hi All,

We have an ISA proxy on site which we want to use for web caching... This means our clients need to use ISA as their web proxy rather than the Council's Proxy.

So my problem is that we need to route web traffic (http/https) from our ISA Web Proxy to the councils Proxy without Natting, as the Council uses IP to username to authenticate device and user.

The current setup is as follows:

Our ISA proxy: 10.100.1.252:8080
Our Council proxy: 10.100.10.250:8999

However... after much messing about with ISA, I'm at a loss to how I can get this to work!

Any Ideas?

Cheers

rlen

DMcCoy · 30-11-2009, 01:25 PM

Does the ISA box have one interface on each and what are the subnet masks?

rlen · 30-11-2009, 01:28 PM

I have two interfaces:

One connecting to the Councils network which has the councils gateway as the default gateway for this nic
IP - 10.100.1.251
Subnet Mask - 255.255.248.0
Gateway - 10.100.1.254

The other nic is connected to our internal network without a gateway.
IP - 10.100.1.252
Subnet Mask - 255.255.248.0
Gateway - NONE

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30-11-2009, 01:10 PM	#1
rlen Join Date: Jun 2009 Posts: 5 Thanks: 0 Thanked 1 Time in 1 Post Rep Power: 0	ISA Server 2006: Forward to Council Proxy Hi All, We have an ISA proxy on site which we want to use for web caching... This means our clients need to use ISA as their web proxy rather than the Council's Proxy. So my problem is that we need to route web traffic (http/https) from our ISA Web Proxy to the councils Proxy without Natting, as the Council uses IP to username to authenticate device and user. The current setup is as follows: Our ISA proxy: 10.100.1.252:8080 Our Council proxy: 10.100.10.250:8999 However... after much messing about with ISA, I'm at a loss to how I can get this to work! Any Ideas? Cheers rlen

30-11-2009, 01:28 PM	#3
rlen Join Date: Jun 2009 Posts: 5 Thanks: 0 Thanked 1 Time in 1 Post Rep Power: 0	I have two interfaces: One connecting to the Councils network which has the councils gateway as the default gateway for this nic IP - 10.100.1.251 Subnet Mask - 255.255.248.0 Gateway - 10.100.1.254 The other nic is connected to our internal network without a gateway. IP - 10.100.1.252 Subnet Mask - 255.255.248.0 Gateway - NONE Last edited by rlen; 30-11-2009 at 01:30 PM..

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ISA Server 2006: Forward to Council Proxy

30-11-2009, 01:25 PM	#2
DMcCoy Join Date: Oct 2005 Location: Isle of Wight Posts: 2,674 Thanks: 6 Thanked 300 Times in 254 Posts Rep Power: 69	Does the ISA box have one interface on each and what are the subnet masks?

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ISA Server 2006: Forward to Council Proxy