There is an option to use upstream proxy, it’s done by setting ForwardToUpstreamGateway to true.
When its set, windows proxy configuration is used - there is no option to implicitly set a proxy script.
Sometimes, its required to set a proxy script which is different than the one set in the system.
Another scenario is that the proxy runs a service, under the system account. In this case, the system proxy is not available to the proxy and there is no way to set it.
There is an option to use upstream proxy, it’s done by setting ForwardToUpstreamGateway to true. When its set, windows proxy configuration is used - there is no option to implicitly set a proxy script. Sometimes, its required to set a proxy script which is different than the one set in the system. Another scenario is that the proxy runs a service, under the system account. In this case, the system proxy is not available to the proxy and there is no way to set it.