diff --git a/src/Jirafeau/f.php b/src/Jirafeau/f.php
index 26c8ae1..b6c1c7b 100644
--- a/src/Jirafeau/f.php
+++ b/src/Jirafeau/f.php
@@ -2,7 +2,7 @@
 /*
  *  Jirafeau, your web file repository
  *  Copyright (C) 2008  Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
- *  Copyright (C) 2015  Jerome Jutteau <j.jutteau@gmail.com>
+ *  Copyright (C) 2015  Jerome Jutteau <jerome@jutteau.fr>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU Affero General Public License as
@@ -32,10 +32,9 @@ if (!isset($_GET['h']) || empty($_GET['h'])) {
  * Be sure PHP's safe mode is off.
  */
 @set_time_limit(0);
-/* Remove errors. */
-@error_reporting(0);
 
 $link_name = $_GET['h'];
+
 if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) {
     require(JIRAFEAU_ROOT.'lib/template/header.php');
     echo '<div class="error"><p>' . t('FILE_404') . '</p></div>';
@@ -57,11 +56,6 @@ if (isset($_GET['d']) && !empty($_GET['d']) &&  $_GET['d'] != '1') {
     $delete_code = $_GET['d'];
 }
 
-$update_period = '';
-if (isset($_GET['u']) && !empty($_GET['u'])) {
-    $update_period = $_GET['u'];
-}
-
 $crypt_key = '';
 if (isset($_GET['k']) && !empty($_GET['k'])) {
     $crypt_key = $_GET['k'];
@@ -77,14 +71,8 @@ if (isset($_GET['p']) && !empty($_GET['p'])) {
     $do_preview = true;
 }
 
-// XXX KAZ
-$do_update = false;
-if (isset($_GET['u']) && !empty($_GET['u'])) {
-    $do_update = true;
-}
-
-$p = s2p($link['md5']);
-if (!file_exists(VAR_FILES . $p . $link['md5'])) {
+$p = s2p($link['hash']);
+if (!file_exists(VAR_FILES . $p . $link['hash'])) {
     jirafeau_delete_link($link_name);
     require(JIRAFEAU_ROOT.'lib/template/header.php');
     echo '<div class="error"><p>'.t('FILE_NOT_AVAIL').
@@ -113,9 +101,8 @@ if (!empty($delete_code) && $delete_code == $link['link_code']) {
                 <?php echo t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' ?>
              </td></tr>
              <tr><td>
-                <input type="submit" id="submit_delete"  value="<?php echo t('DELETE'); ?>"
-                onclick="document.getElementById('submit_delete_post').action='<?php echo 'f.php?h=' . $link_name . '&amp;d=' . $delete_code . "';"; ?>
-                document.getElementById('submit_delete').submit ();"/> // '
+                <input type="submit" id="submit_delete"  value="<?php echo t('DELETE'); ?>" <?php $action_delete="'f.php?h=' . $link_name . '&amp;d=' . $delete_code'; document.getElementById('submit_delete').submit ();"; ?>
+                onclick="document.getElementById('submit_delete_post').action='<?php echo $action_delete; ?>"/>
              </td></tr>
              </table>
          </fieldset></form></div><?php
@@ -124,17 +111,6 @@ if (!empty($delete_code) && $delete_code == $link['link_code']) {
     exit;
 }
 
-// XXX KAZ
-if ($do_update) {
-    $time=jirafeau_update_link($link_name, $link, $update_period);
-    $content = '' . $time . NL;
-    header('HTTP/1.0 200 OK');
-    header('Content-Length: ' . strlen ($content));
-    header('Content-Type: text/plain');
-    echo $content;
-    exit;
-}
-
 if ($link['time'] != JIRAFEAU_INFINITY && time() > $link['time']) {
     jirafeau_delete_link($link_name);
     require(JIRAFEAU_ROOT.'lib/template/header.php');
@@ -162,39 +138,38 @@ if (!empty($link['key'])) {
         else {
             require(JIRAFEAU_ROOT.'lib/template/header.php');
             echo '<div>' .
-                 '<form action="f.php" method="post" id="submit_post" class="form login">'; ?>
-                 <input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
+                         '<form action="f.php" method="post" id="submit_post" class="form login">'; ?>
+            <input type = "hidden" name = "jirafeau" value = "<?php echo JIRAFEAU_VERSION ?>"/><?php
             echo '<fieldset>' .
-                 '<legend>' . t('PSW_PROTEC') .
-                 '</legend><table><tr><td>' .
-                 t('GIMME_PSW') . ' : ' .
-                 '<input type = "password" name = "key" />' .
-                 '</td></tr>' .
-                 '<tr><td>' .
-                 t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' .
-                 '</td></tr>';
+                              '<legend>' . t('PSW_PROTEC') .
+                              '</legend><table><tr><td>' .
+                              t('GIMME_PSW') . ' : ' .
+                              '<input type = "password" name = "key" />' .
+                              '</td></tr>' .
+                              '<tr><td>' .
+                              t('USING_SERVICE'). ' <a href="tos.php" target="_blank" rel="noopener noreferrer">' . t('TOS') . '</a>.' .
+                              '</td></tr>';
 
             if ($link['onetime'] == 'O') {
                 echo '<tr><td id="self_destruct">' .
-                     t('AUTO_DESTRUCT') .
-                     '</td></tr>';
+                                                   t('AUTO_DESTRUCT') .
+                                                   '</td></tr>';
             } ?><tr><td><input type="submit" id = "submit_download"  value="<?php echo t('DL'); ?>"
-            onclick="document.getElementById('submit_post').action='<?php
-            echo 'f.php?h=' . $link_name . '&amp;d=1';
+                                             onclick="document.getElementById('submit_post').action='<?php
+        echo 'f.php?h=' . $link_name . '&amp;d=1';
+        if (!empty($crypt_key)) {
+            echo '&amp;k=' . urlencode($crypt_key);
+        } ?>';
+        document.getElementById('submit_download').submit ();"/><?php
+                                             if ($cfg['preview'] && jirafeau_is_viewable($link['mime_type'])) {
+                                                 ?><input type="submit" id = "submit_preview"  value="<?php echo t('PREVIEW'); ?>"
+                                                 onclick="document.getElementById('submit_post').action='<?php
+            echo 'f.php?h=' . $link_name . '&amp;p=1';
             if (!empty($crypt_key)) {
                 echo '&amp;k=' . urlencode($crypt_key);
             } ?>';
-            document.getElementById('submit_download').submit ();"/><?php
-            if ($cfg['preview'] && jirafeau_is_viewable($link['mime_type'])) {
-                ?><input type="submit" id = "submit_preview"  value="<?php echo t('PREVIEW'); ?>"
-                onclick="document.getElementById('submit_post').action='<?php
-                echo 'f.php?h=' . $link_name . '&amp;p=1';
-                if (!empty($crypt_key)) {
-                    echo '&amp;k=' . urlencode($crypt_key);
-                } ?>';
-                document.getElementById('submit_preview').submit ();"/><?php
-
-            }
+            document.getElementById('submit_preview').submit ();"/><?php
+                                             }
             echo '</td></tr></table></fieldset></form></div>';
             require(JIRAFEAU_ROOT.'lib/template/footer.php');
             exit;
@@ -247,7 +222,6 @@ if (!$password_challenged && !$do_download && !$do_preview) {
                 echo '&amp;k=' . urlencode($crypt_key);
             } ?>';
         document.getElementById('submit_post').submit ();"/><?php
-
         }
     echo '</td></tr>';
     echo '</table></fieldset></form></div>';
@@ -263,23 +237,36 @@ if (!jirafeau_is_viewable($link['mime_type']) || !$cfg['preview'] || $do_downloa
     header('Content-Disposition: filename="' . $link['file_name'] . '"');
 }
 header('Content-Type: ' . $link['mime_type']);
-header('Content-MD5: ' . hex_to_base64($link['md5']));
-
+if ($cfg['file_hash'] == "md5") {
+    header('Content-MD5: ' . hex_to_base64($link['hash']));
+}
+if ($cfg['litespeed_workaround']) {
+    // Work around that LiteSpeed truncates large files.
+    // See https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:config:internal-redirect
+    if ($_GET['litespeed_workaround'] == 'phase2') {
+        $file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES);
+        header('X-LiteSpeed-Location: ' . $file_web_path . $p . $link['hash']);
+    } else {
+        // Since Content-Type isn't forwarded by LiteSpeed, first
+        // redirect to the same URL but append the file name.
+        header('Location: ' . $_SERVER['PHP_SELF'] . '/' . $link['file_name'] . '?' .
+               $_SERVER['QUERY_STRING'] . '&litespeed_workaround=phase2');
+    }
+}
 /* Read encrypted file. */
-if ($link['crypted']) {
+elseif ($link['crypted']) {
     /* Init module */
     $m = mcrypt_module_open('rijndael-256', '', 'ofb', '');
     /* Extract key and iv. */
-    $md5_key = md5($crypt_key);
-    $iv = jirafeau_crypt_create_iv($md5_key, mcrypt_enc_get_iv_size($m));
+    $hash_key = md5($crypt_key);
+    $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m));
     /* Init module. */
-    mcrypt_generic_init($m, $md5_key, $iv);
+    mcrypt_generic_init($m, $hash_key, $iv);
     /* Decrypt file. */
-    $r = fopen(VAR_FILES . $p . $link['md5'], 'r');
+    $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
     while (!feof($r)) {
         $dec = mdecrypt_generic($m, fread($r, 1024));
         print $dec;
-        ob_flush();
     }
     fclose($r);
     /* Cleanup. */
@@ -288,10 +275,9 @@ if ($link['crypted']) {
 }
 /* Read file. */
 else {
-    $r = fopen(VAR_FILES . $p . $link['md5'], 'r');
+    $r = fopen(VAR_FILES . $p . $link['hash'], 'r');
     while (!feof($r)) {
         print fread($r, 1024);
-        ob_flush();
     }
     fclose($r);
 }