from

The prefix to be mapped to the mirror site. 

to

The mirror site prefix. 

name

(optional) gives a named object from which to derive the configuration for this 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. 

# Map site http://home.netscape.com/ to mirror site http://mirror.com
NameTrans fn=map  from="http://home.netscape.com" to="http://mirror.com"