So let me get this straight. You have 10 public IP addresses bound directly
to a NIC without going through a firewall or a router?

 

From: Blair McKenzie [mailto:[email protected]] 
Sent: Thursday, 12 April 2012 6:43 PM
To: [email protected]
Subject: Re: [cfaussie] Manipulating CFHTTP Source IP

 

May not work (depending on how the web service is set up) but you could try
using the X-Forwarded-For <http://en.wikipedia.org/wiki/X-Forwarded-For>
header in the requests. There is also using an HTTP proxy, though I'm not
sure how that affects the IP address of a request.

Blair

On Thu, Apr 12, 2012 at 5:46 PM, Phil Rasmussen <[email protected]> wrote:

Hi Everyone. Had an interesting development topic come up today and
I'm not sure it's even possible though it's worth a shot.

We have an existing sync process that sends approximately 100
traveller profiles a minute to an external web service, and now we
have the opportunity to increase this throughout 5 fold but opening up
separate connections (up to 5) as long as we don't exceed a total of
300 syncs every 60 seconds across all connections in total. Now the
tricky part is i can't just create new threads to execute the parallel
processes, the external system will only treat them as separate
requests if the source IP is different.

With the application sitting on a single webserver with 10 public IPs
bound to the NIC, i'm wondering if there is a way I can create some
kind of proxy using IIS to allow sending from different IPs. CFHTTP
from what I recall uses the highest IP in the stack on the outgoing
NIC, so I'm not sure if this is even possible?

If anyone has any thoughts on this would love to hear it.

Cheers
Phil

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