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Proxy to support Javascript connection to cross domain connection

James | Last updated: Dec 20, 2015 07:49PM UTC

Hi, I configured my web app to -> 127.0.0.1:8443 to forward to all request to qa1.x.com:443. This works fine. the proxy is good. however, my web app javascript connect to a host: cdn.y.com This cause an application error in my browser. it seems the request from browser to cdn.y.com is automatically forward to qa1.x.com. How do i be able to make the successful connection to cdn.y.com? thank you

PortSwigger Agent | Last updated: Dec 22, 2015 01:19PM UTC

It’s not clear what you’re trying to achieve with this configuration. Are you using invisible proxying for some reason? Ordinarily, you don’t need to configure Burp to forward all requests to a given host. Remove that configuration and just use your browser in the normal way, with Burp configured as its upstream proxy, and Burp will correctly forward traffic to the appropriate destination hosts.

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