The installation of esrender might require the use of a proxy. The associated configuration-file is found in
conf/proxy.conf.phpand included once at the startup of esrender-requests.
The proxy-paramters are defined in the following constants:
USE_HTTP_PROXY
If set to a true value, the configured proxy will be used.
HTTP_PROXY_HOST
The host running the proxy-service.
USE_HTTP_PORT
The port the proxy-service is listening on.
USE_HTTP_USER
The username for authentication against the proxy.
USE_HTTP_PASS
The password to use for authentication against the proxy.