Parameter 

Description 

from 

A regular expression for the prefix to be mapped to the mirror site. 

to 

The mirror site prefix. 

name 

(optional) a named object from which to derive the configuration for the mirror site. 

rewrite-host 

(optional) indicates whether the Host HTTP request header is rewritten to match the host specified by the to parameter. In a reverse proxy configuration where the proxy server and origin server service the same set of virtual servers, you may wish to specify rewrite-host="false". The default is "true", meaning that the Host HTTP request header is rewritten.