Просто проверил:
Поставил редирект на один файл и отпринтил $_SERVER при запросе корневой директории:
Array
(
[REDIRECT_STATUS] => 200
[HTTP_HOST] => d-m
[HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20100101 Firefox/12.0
[HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
[HTTP_ACCEPT_LANGUAGE] => ru-ru,ru;q=0.8,en-us;q=0.5,en;q=0.3
[HTTP_ACCEPT_ENCODING] => gzip, deflate
[HTTP_CONNECTION] => keep-alive
[PATH] => \usr\local\ImageMagick;\usr\local\php5;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem
[SystemRoot] => C:\WINDOWS
[COMSPEC] => C:\WINDOWS\system32\cmd.exe
[PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
[WINDIR] => C:\WINDOWS
[SERVER_SIGNATURE] => <address>Apache/2.2.4 (Win32) mod_ssl/2.2.4 OpenSSL/0.9.8d PHP/5.2.4 Server at d-m Port 80</address>
[SERVER_SOFTWARE] => Apache/2.2.4 (Win32) mod_ssl/2.2.4 OpenSSL/0.9.8d PHP/5.2.4
[SERVER_NAME] => d-m
[SERVER_ADDR] => 127.0.0.1
[SERVER_PORT] => 80
[REMOTE_ADDR] => 127.0.0.1
[DOCUMENT_ROOT] => Z:/home/d-m/www
[SERVER_ADMIN] => admin@localhost
[SCRIPT_FILENAME] => Z:/home/d-m/www/url_manager.php
[REMOTE_PORT] => 2216
*!*
[REDIRECT_URL] => /index.raed(tmpl)
[REQUEST_URI] => /
*/!*
[GATEWAY_INTERFACE] => CGI/1.1
[SERVER_PROTOCOL] => HTTP/1.1
[REQUEST_METHOD] => GET
[QUERY_STRING] =>
[SCRIPT_NAME] => /url_manager.php
[PHP_SELF] => /url_manager.php
[REQUEST_TIME] => 1338929770
[argv] => Array
(
)
[argc] => 0
)
Это нормально?