Modulos - mod_alias

Para mapear diferentes parets del sistema de archivos y redirecciones
Se usa en server config, virtual host, directory, .htaccess
Alias - AliasMatch
Redirect - RedirectMatch
RedirectTemp - RedirectPermanent
ScriptAlias - ScriptAliasMatch 
    Alias /image /ftp/pub/image  
    Redirect /service http://foo2.bar.com/service

    ScriptAlias /cgi-bin/  "/home/httpd/htdocs/correo/"
      <Directory "/home/httpd/htdocs/correo/">
        AllowOverride None
        Options None
        Order allow,deny
        Allow from all
      </Directory>