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Thread: IIS loadbalancer question

Last post 10-12-2009 10:04 PM by anilr. 4 replies.

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10-05-2009, 8:30 AM

supportnet
Joined on 10-05-2009, 12:12 PM
Posts 2

IIS loadbalancer question

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I am going to setup an IIS7 instance behind a load balancer.
I would like all apps (PHP/ASP/Asp.net) to be able to see correct REMOTE_ADDR, and not the one of loadbalancer.

Later on I'll use ARR, and would like to ensure the problem doesn't occur there too.

Please advise.

10-05-2009, 11:38 AM In reply to

jeff@zina.com
Joined on 09-26-2003, 10:43 AM
Naples, FL, USA
Posts 2,100

Re: IIS loadbalancer question

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This is really a function of the load balancing device, not IIS.

Jeff

Look for Wrox's new book Professional IIS 7 in your local bookstore, or order now at Amazon.com

10-05-2009, 9:23 PM In reply to

anilr
Joined on 05-23-2006, 6:13 PM
Redmond, WA
Posts 2,343

Re: IIS loadbalancer question

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You have to configure your load-balancer to send the client ip to your backend server in a custom header (normally X-Forwarded-For) and you need to run some code on the backend server to make IIS use that custom header as the client-ip - see ARR Helper for an example.

Anil Ruia
Senior Software Design Engineer
IIS Core Server

10-06-2009, 5:45 AM In reply to

supportnet
Joined on 10-05-2009, 12:12 PM
Posts 2

Re: IIS loadbalancer question

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Anil, Thanks for your response. It is exactly what I'm looking for.

Being an admin, and not a developer, can you guide me how to do it without ARR for now?
If not, please point me in correct direction, even if a code.

I'm concerned, as I've seen some custom ISAPI attempting to add a function to IIS, ends up messing up with other features like logging.