Solutions

URL redirection/forwarding for Automatic Configuration Script .pac file

Solutions ID:    KB4752
Version:    1.0
Status:    Published
Published date:    11/15/2011
 

Problem Description

My redirection not working when I try to redirect the old PAC file to a new location. We have also configure the LAN settings to point to our proxy.

Redirecting to new URL location where my old URL is no longer reachable and resolvable by the DNS.

Updating old PAC file with new location.

 

 

Resolution

To configure the proxy to redirect the PAC files from the browser "Automatic Configuration Script", is not possible per the technical limitation with the browser.

 

On the browser, configuring the "Automatic Configuration Script", and the "Proxy Server" to use the production proxies will not achieve this. The "Automatic Configuration Script" will override the "Manual Proxy Settings", and the browser will only use the "Proxy Server" once it fails the automatic configuration script. Once the proxy server is used, the browser will send the client request (e.g.: www.google.com) to the proxy, instead of getting the PAC file for automatic configuration script.

 

URL redirect/forwarding is not suitable in achieving this objective and cannot work per the description mentioned above. For updating new "Automatic Configuration Script" settings, we suggest using Microsoft Group Policy Object (GPO) in achieving the desire outcome.


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