$HTTP["host"] == "trac.textdrive.com" #the == is to exactly match
{
proxy.server = (
"" => (                               #this is for the root, can be a .extension in other uses
"trac" => (                           #just a name, your choice
"host" => "70.84.29.150", 
"port" => 9000 
           )
       )
                )
}