diff --git a/adm/board_copy_update.php b/adm/board_copy_update.php
index 45d856d51..a349e7d7a 100644
--- a/adm/board_copy_update.php
+++ b/adm/board_copy_update.php
@@ -58,6 +58,7 @@ $sql = " insert into {$g5['board_table']}
                 bo_use_rss_view = '{$board[bo_use_rss_view]}',
                 bo_use_good = '{$board[bo_use_good]}',
                 bo_use_nogood = '{$board[bo_use_nogood]}',
+                bo_use_name = '{$board[bo_use_name]}',
                 bo_use_signature = '{$board[bo_use_signature]}',
                 bo_use_ip_view = '{$board[bo_use_ip_view]}',
                 bo_use_list_view = '{$board['bo_use_list_view']}',
@@ -179,10 +180,10 @@ if (count($file_copy)) {
                     set bo_table = '$target_table',
                          wr_id = '{$file_copy[$i]['wr_id']}',
                          bf_no = '{$file_copy[$i]['bf_no']}',
-                         bf_source = '{$file_copy[$i]['bf_source']}',
+                         bf_source = '".addslashes($file_copy[$i]['bf_source'])."',
                          bf_file = '{$file_copy[$i]['bf_file']}',
                          bf_download = '{$file_copy[$i]['bf_download']}',
-                         bf_content = '{$file_copy[$i]['bf_content']}',
+                         bf_content = '".addslashes($file_copy[$i]['bf_content'])."',
                          bf_filesize = '{$file_copy[$i]['bf_filesize']}',
                          bf_width = '{$file_copy[$i]['bf_width']}',
                          bf_height = '{$file_copy[$i]['bf_height']}',
diff --git a/bbs/move_update.php b/bbs/move_update.php
index 11fff763d..41b7fd4a3 100644
--- a/bbs/move_update.php
+++ b/bbs/move_update.php
@@ -121,7 +121,7 @@ while ($row = sql_fetch_array($result))
                                 set bo_table = '$move_bo_table',
                                      wr_id = '$insert_id',
                                      bf_no = '{$row3['bf_no']}',
-                                     bf_source = '{$row3['bf_source']}',
+                                     bf_source = '".addslashes($row3['bf_source'])."',
                                      bf_file = '{$row3['bf_file']}',
                                      bf_download = '{$row3['bf_download']}',
                                      bf_content = '".addslashes($row3['bf_content'])."',
diff --git a/common.php b/common.php
index b9118e474..8a69c4539 100644
--- a/common.php
+++ b/common.php
@@ -266,7 +266,6 @@ $_SESSION['ss_is_mobile'] = $is_mobile;
 define('G5_IS_MOBILE', $is_mobile);
 define('G5_DEVICE_BUTTON_DISPLAY', $set_device);
 if (G5_IS_MOBILE) {
-    include_once(G5_LIB_PATH.'/mobile.lib.php'); // 모바일 전용 라이브러리
     $g5['mobile_path'] = G5_PATH.'/'.$g5['mobile_dir'];
 }
 //==============================================================================
diff --git a/head.sub.php b/head.sub.php
index 027150bf6..587d438c8 100644
--- a/head.sub.php
+++ b/head.sub.php
@@ -17,8 +17,8 @@ else {
 // 게시판 제목에 ' 포함되면 오류 발생
 $g5['lo_location'] = addslashes($g5['title']);
 if (!$g5['lo_location'])
-    $g5['lo_location'] = $_SERVER['REQUEST_URI'];
-$g5['lo_url'] = $_SERVER['REQUEST_URI'];
+    $g5['lo_location'] = addslashes($_SERVER['REQUEST_URI']);
+$g5['lo_url'] = addslashes($_SERVER['REQUEST_URI']);
 if (strstr($g5['lo_url'], '/'.G5_ADMIN_DIR.'/') || $is_admin == 'super') $g5['lo_url'] = '';
 
 /*
diff --git a/lib/mobile.lib.php b/lib/mobile.lib.php
deleted file mode 100644
index 5143791b4..000000000
--- a/lib/mobile.lib.php
+++ /dev/null
@@ -1,145 +0,0 @@
-<?php
-if (!defined('_GNUBOARD_')) exit;
-
-// 원본 이미지를 넘기면 비율에 따라 썸네일 이미지를 생성함
-function mobile_create_thumb($srcImg, $width, $thumb) 
-{
-    $size = @getimagesize($srcImg);
-    if ($size[2] == 1) 
-        $source = @imagecreatefromgif($srcImg);
-    else if ($size[2] == 2)
-        $source = @imagecreatefromjpeg($srcImg);
-    else if ($size[2] == 3) 
-        $source = @imagecreatefrompng($srcImg);
-    else 
-        return "";
-
-    if (!$source)
-        return "";
-
-    if ($size[0] < $width) {
-        $width  = $size[0];
-        $height = $size[1];
-    } 
-    else {
-        $rate = $width / $size[0];
-        $height = (int)($size[1] * $rate);
-    }
-
-    $target = @imagecreatetruecolor($width, $height);
-    $bgcolor = @imagecolorallocate($target, 255, 255, 255); // 썸네일 배경
-    imagefilledrectangle($target, 0, 0, $width, $height, $bgcolor);
-    imagecopyresampled($source, $source, 0, 0, 0, 0, $width, $height, $size[0], $size[1]);
-    imagecopy($target, $source, 0, 0, 0, 0, $size[0], $size[1]);
-
-    imagejpeg($target, $thumb, 100);
-    chmod($thumb, G5_FILE_PERMISSION); // 추후 삭제를 위하여 파일모드 변경
-
-    return $thumb;
-}
-
-
-function mobile_thumb($matches)
-{
-    global $is_admin;
-    global $g5, $bo_table, $wr_id;
-
-    $width = 300; // (소스이미지 width pixel)
-
-    //if ($is_admin) print_r2($matches);
-
-    if ($is_admin) {
-        foreach ($matches as $img) {
-            echo "<p>";
-
-            preg_match("/src=[\"\']?([^\"\'\s>]+)/i", $img, $m);
-            $src = trim($m[1]);
-            //echo $src;
-
-            // 상대경로(..)로 시작되면 sir.co.kr 도메인으로 여긴다.
-            $src = preg_replace("/^\.\.\//", "http://m.sir.co.kr/", $src);
-            $absolute = preg_replace("/^http\:\/\/(www\.)?sir\.co\.kr\/(.*)$/", "/home/sir/$2", $src);
-
-            $thumb_dir = G5_DATA_PATH.'/thumb/'.$bo_table;
-            if (!is_dir($thumb_dir)) {
-                @mkdir($thumb_dir, G5_DIR_PERMISSION);
-                @chmod($thumb_dir, G5_DIR_PERMISSION);
-            }
-
-            $result = true;
-
-            if (preg_match("/\.(jpe?g|png)$/i", $src)) {
-                // 유일한 파일명을 만든다.
-                $src_md5 = md5($src.$width);
-                $thumb = "$thumb_dir/{$wr_id}-{$src_md5}";
-
-                if (!file_exists($thumb)) {
-                    $result = mobile_create_thumb($src, $width, $thumb);
-                }
-            }
-            else {
-                $thumb = $src;
-            }
-
-            if ($result) {
-                $size = @getimagesize($absolute);
-                if ($size[2] == IMAGETYPE_GIF)
-                    $w = ($size[0] < $width) ? $size[0] : $width;
-                else
-                    $w = ($size[0] < $width) ? $size[0] : "100%";
-                return "<img src='$thumb' width='$w' />";
-            }
-        }
-    } else {
-
-        foreach ($matches as $img) {
-            preg_match("/src=[\"\']?([^\"\'\s>]+)/i", $img, $m);
-            
-            $result = true;
-
-            $src = trim($m[1]);
-            //if ($is_admin) echo $src."<br>";
-            if (preg_match("/\.(jpe?g|png)$/i", $src)) {
-                // 상대경로(..)로 시작되면 도메인으로 여긴다.
-                $src = preg_replace("/^\.\.\//", 'http://'.$_SERVER['SERVER_NAME'].'/', $src);
-
-                // 유일한 파일명을 만든다.
-                $src_md5 = md5($src.$width);
-                $thumb = G5_DATA_PATH.'/thumb/'.$bo_table.'-'.$wr_id.'-'.$src_md5;
-
-                if (!file_exists($thumb)) {
-                    $result = mobile_create_thumb($src, $width, $thumb);
-                }
-            }
-            else {
-                $thumb = $src;
-            }
-
-            if ($result) {
-                //if ($is_admin) { $begin_time = get_microtime(); }
-                //echo $thumb;
-                $size = @getimagesize($thumb);
-                //if ($is_admin) print_r2($size);
-                if ($size[2] == IMAGETYPE_GIF)
-                    $w = ($size[0] < $width) ? $size[0] : $width;
-                else
-                    $w = ($size[0] < $width) ? $size[0] : "100%";
-                //if ($is_admin) { echo "<p>time : "; echo get_microtime() - $begin_time; }
-                return "<img src='$thumb' width='$w' />";
-            }
-        }
-
-    }
-
-}
-
-function mobile_embed($matches)
-{
-    foreach ($matches as $embed) {
-        //$embed = preg_replace("#height\=\d+#i", "", $embed);
-        //$embed = preg_replace("#width\=\d+#i", "", $embed);
-
-        return $embed;
-    }
-}
-?>
\ No newline at end of file
diff --git a/lib/register.lib.php b/lib/register.lib.php
index 7381efc76..303612bea 100644
--- a/lib/register.lib.php
+++ b/lib/register.lib.php
@@ -115,7 +115,7 @@ function prohibit_mb_email($reg_mb_email)
     list($id, $domain) = explode("@", $reg_mb_email);
     $email_domains = explode("\n", trim($config['cf_prohibit_email']));
     for ($i=0; $i<count($email_domains); $i++) {
-        if (strtolower($domain) == strtolower($email_domains[$i]))
+        if (strtolower(settype($domain, "string")) == strtolower(settype($email_domains[$i], "string")))
             return "$domain 메일은 사용할 수 없습니다.";
     }
     return "";