diff -ru t3lib.411.original/class.t3lib_div.php t3lib.411.reverseproxypatch/class.t3lib_div.php
--- t3lib.411.original/class.t3lib_div.php	2007-04-14 11:45:06.436670400 +0200
+++ t3lib.411.reverseproxypatch/class.t3lib_div.php	2007-04-14 13:03:56.077560000 +0200
@@ -3007,6 +3007,63 @@
 	}
 
 	/**
+	 * This patch should not be used in a productive environment.
+	 * 
+	 * Wrapper method (Version 0.06 from 2007/04/14)
+	 * for old getIndpEnv that has been renamed to getIndpEnvClassic
+	 * This patch should not be used in a productive environment.
+	 * 
+	 * This function serves as a temporary workaround to enable 
+	 * SSL proxy support in TYPO3 4.1.1. You have to change the value 
+	 * of $sslProxyIP manually to the IP address of you reverse proxy.
+	 * 
+	 * More information regarding this method you will find here:
+	 * http://www.henningpingel.de/TYPO3-Backend-Via-SSL-Proxy.124.0.html
+	 */
+	function getIndpEnv($getEnvName) {
+        $sslProxyIP = '0.0.0.0'; //fill in the local IP address of your SSL proxy here
+		$retVal = '';	   
+		if ($_SERVER["REMOTE_ADDR"] == $sslProxyIP && $_SERVER["HTTP_X_FORWARDED_HOST"] != ''){ // && TYPO3_MODE=='BE'){
+			$sslProxy_folder = $_SERVER['HTTP_HOST'];
+			$sslProxy_host = $_SERVER['HTTP_X_FORWARDED_HOST'];
+			switch ((string)$getEnvName)	{
+				case 'HTTP_HOST':
+					$retVal = $sslProxy_host;
+				break;
+				case 'SCRIPT_NAME':
+				case 'REQUEST_URI':
+					$retVal = '/' . $sslProxy_folder . t3lib_div::getIndpEnvClassic($getEnvName);
+				break;
+				case 'TYPO3_REQUEST_HOST':
+					$retVal = 'https://'. $sslProxy_host; //this is now forced to https, this is a problem if reverse proxy does not use SSL
+				break;
+				case 'TYPO3_SSL':
+					$retVal = TRUE;//this is now forced to https, but this means a problem if the reverse proxy does not use SSL
+				break;
+				case 'TYPO3_HOST_ONLY':
+					$p = explode(':',$sslProxy_host);
+					$retVal = $p[0];
+				break;
+				case 'TYPO3_PORT':
+					$p = explode(':',$sslProxy_host);
+					$retVal = $p[1];
+				break;
+				case 'REMOTE_ADDR':
+					$retVal =  $_SERVER["HTTP_X_FORWARDED_FOR"]; //this contains ip address of enduser, REMOTE_ADDR contains IP of proxy
+				break;
+				default:
+					$retVal = t3lib_div::getIndpEnvClassic($getEnvName);
+			}
+		}
+		else{
+			$retVal = t3lib_div::getIndpEnvClassic($getEnvName);
+		}		
+		//error_log("debug getIndpEnv case :" . $getEnvName . " - " . $retVal); //enable this for debugging purpose
+		
+		return $retVal;
+	}
+
+	/**
 	 * Abstraction method which returns System Environment Variables regardless of server OS, CGI/MODULE version etc. Basically this is SERVER variables for most of them.
 	 * This should be used instead of getEnv() and $_SERVER/ENV_VARS to get reliable values for all situations.
 	 * Usage: 221
@@ -3014,7 +3071,7 @@
 	 * @param	string		Name of the "environment variable"/"server variable" you wish to use. Valid values are SCRIPT_NAME, SCRIPT_FILENAME, REQUEST_URI, PATH_INFO, REMOTE_ADDR, REMOTE_HOST, HTTP_REFERER, HTTP_HOST, HTTP_USER_AGENT, HTTP_ACCEPT_LANGUAGE, QUERY_STRING, TYPO3_DOCUMENT_ROOT, TYPO3_HOST_ONLY, TYPO3_HOST_ONLY, TYPO3_REQUEST_HOST, TYPO3_REQUEST_URL, TYPO3_REQUEST_SCRIPT, TYPO3_REQUEST_DIR, TYPO3_SITE_URL, _ARRAY
 	 * @return	string		Value based on the input key, independent of server/os environment.
 	 */
-	function getIndpEnv($getEnvName)	{
+	function getIndpEnvClassic($getEnvName)	{
 		/*
 			Conventions:
 			output from parse_url():
@@ -3284,7 +3341,9 @@
 	function getHostname($requestHost=TRUE)	{
 		$host = '';
 		if ($requestHost && (!defined('TYPO3_cliMode') || !TYPO3_cliMode))	{
-			$host = $_SERVER['HTTP_HOST'];
+			//$host = $_SERVER['HTTP_HOST']; //old version, why is getIndpEnv not used for this???
+			$host = getIndpEnv('HTTP_HOST');
+			//error_log("hepi: getHostname was called"); //enable this for debugging purposes
 		}
 		if (!$host)	{
 				// will fail for PHP 4.1 and 4.2