diff --git a/adm/contentform.php b/adm/contentform.php
index 8419ebdeb..de2c6315d 100644
--- a/adm/contentform.php
+++ b/adm/contentform.php
@@ -6,9 +6,18 @@ include_once(G5_EDITOR_LIB);
 auth_check($auth[$sub_menu], "w");
 
 // 상단, 하단 파일경로 필드 추가
-$sql = " ALTER TABLE `{$g5['content_table']}`  ADD `co_include_head` VARCHAR( 255 ) NOT NULL ,
-                                                ADD `co_include_tail` VARCHAR( 255 ) NOT NULL ";
-sql_query($sql, false);
+if(!sql_query(" select co_include_head from {$g5['content_table']} limit 1 ", false)) {
+    $sql = " ALTER TABLE `{$g5['content_table']}`  ADD `co_include_head` VARCHAR( 255 ) NOT NULL ,
+                                                    ADD `co_include_tail` VARCHAR( 255 ) NOT NULL ";
+    sql_query($sql, false);
+}
+
+// html purifier 사용여부 필드
+if(!sql_query(" select co_tag_filter_use from {$g5['content_table']} limit 1 ", false)) {
+    sql_query(" ALTER TABLE `{$g5['content_table']}`
+                    ADD `co_tag_filter_use` tinyint(4) NOT NULL DEFAULT '0' AFTER `co_content` ", true);
+    sql_query(" update {$g5['content_table']} set co_tag_filter_use = '1' ");
+}
 
 $html_title = "내용";
 $g5['title'] = $html_title.' 관리';
@@ -60,6 +69,16 @@ include_once (G5_ADMIN_PATH.'/admin.head.php');
         <th scope="row">내용</th>
         <td><?php echo editor_html('co_content', $co['co_content']); ?></td>
     </tr>
+    <tr>
+        <th scope="row"><label for="co_tag_filter_use">태그 필터링 사용</label></th>
+        <td>
+            <?php echo help("내용에서 iframe 등의 태그를 사용하려면 사용안함으로 선택해 주십시오."); ?>
+            <select name="co_tag_filter_use" id="co_tag_filter_use">
+                <option value="1"<?php echo get_selected(1, $co['co_tag_filter_use']); ?>>사용함</option>
+                <option value="0"<?php echo get_selected(0, $co['co_tag_filter_use']); ?>>사용안함</option>
+            </select>
+        </td>
+    </tr>
     <tr>
         <th scope="row"><label for="co_include_head">상단 파일 경로</label></th>
         <td>
diff --git a/adm/contentformupdate.php b/adm/contentformupdate.php
index a3313bcb1..4f9786ffd 100644
--- a/adm/contentformupdate.php
+++ b/adm/contentformupdate.php
@@ -16,11 +16,12 @@ else
 if ($co_himg_del)  @unlink(G5_DATA_PATH."/content/{$co_id}_h");
 if ($co_timg_del)  @unlink(G5_DATA_PATH."/content/{$co_id}_t");
 
-$sql_common = " co_include_head = '$co_include_head',
-                co_include_tail = '$co_include_tail',
-                co_html         = '$co_html',
-                co_subject      = '$co_subject',
-                co_content      = '$co_content' ";
+$sql_common = " co_include_head     = '$co_include_head',
+                co_include_tail     = '$co_include_tail',
+                co_html             = '$co_html',
+                co_tag_filter_use   = '$co_tag_filter_use',
+                co_subject          = '$co_subject',
+                co_content          = '$co_content' ";
 
 if ($w == "")
 {
diff --git a/adm/member_form.php b/adm/member_form.php
index bd7032072..adf4708c1 100644
--- a/adm/member_form.php
+++ b/adm/member_form.php
@@ -122,6 +122,11 @@ if(!isset($mb['mb_addr3'])) {
     sql_query(" ALTER TABLE {$g5['member_table']} ADD `mb_addr3` varchar(255) NOT NULL DEFAULT '' AFTER `mb_addr2` ", false);
 }
 
+// 중복가입 확인필드 추가
+if(!isset($mb['mb_dupinfo'])) {
+    sql_query(" ALTER TABLE {$g5['member_table']} ADD `mb_dupinfo` varchar(255) NOT NULL DEFAULT '' AFTER `mb_adult` ", false);
+}
+
 if ($mb['mb_intercept_date']) $g5['title'] = "차단된 ";
 else $g5['title'] .= "";
 $g5['title'] .= '회원 '.$html_title;
diff --git a/bbs/ajax.mb_hp.php b/bbs/ajax.mb_hp.php
index 5f4c9ffb6..eeeef8816 100644
--- a/bbs/ajax.mb_hp.php
+++ b/bbs/ajax.mb_hp.php
@@ -6,5 +6,5 @@ $mb_hp   = trim($_POST['reg_mb_hp']);
 $mb_id   = trim($_POST['reg_mb_id']);
 
 if ($msg = valid_mb_hp($mb_hp)) die($msg);
-if ($msg = exist_mb_hp($mb_hp, $mb_id)) die($msg);
+//if ($msg = exist_mb_hp($mb_hp, $mb_id)) die($msg);
 ?>
\ No newline at end of file
diff --git a/bbs/content.php b/bbs/content.php
index 76082013c..a8ba46f2a 100644
--- a/bbs/content.php
+++ b/bbs/content.php
@@ -6,6 +6,11 @@ if( !isset($g5['content_table']) ){
     die('<meta charset="utf-8">관리자 모드에서 게시판관리->내용 관리를 먼저 확인해 주세요.');
 }
 
+if (G5_IS_MOBILE) {
+    include_once(G5_MOBILE_PATH.'/content.php');
+    return;
+}
+
 // 내용
 $sql = " select * from {$g5['content_table']} where co_id = '$co_id' ";
 $co = sql_fetch($sql);
@@ -19,7 +24,7 @@ if ($co['co_include_head'])
 else
     include_once('./_head.php');
 
-$str = conv_content($co['co_content'], $co['co_html']);
+$str = conv_content($co['co_content'], $co['co_html'], $co['co_tag_filter_use']);
 
 // $src 를 $dst 로 변환
 unset($src);
diff --git a/bbs/register_form_update.php b/bbs/register_form_update.php
index b593792cc..4d57c6d76 100644
--- a/bbs/register_form_update.php
+++ b/bbs/register_form_update.php
@@ -148,12 +148,12 @@ if (isset($_FILES['mb_icon']) && is_uploaded_file($_FILES['mb_icon']['tmp_name']
 //  본인확인
 //---------------------------------------------------------------
 $mb_hp = hyphen_hp_number($mb_hp);
-if($_SESSION['ss_cert_type'] != 'hp' && $mb_hp) {
-    // 휴대폰번호 중복체크
-    $sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_hp = '{$mb_hp}' ";
+if($config['cf_cert_use'] && $_SESSION['ss_cert_type'] && $_SESSION['ss_cert_dupinfo']) {
+    // 중복체크
+    $sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_dupinfo = '{$_SESSION['ss_cert_dupinfo']}' ";
     $row = sql_fetch($sql);
     if ($row['mb_id']) {
-        alert("이미 가입되어 있는 휴대폰번호 입니다.\\n회원아이디 : ".$row['mb_id']);
+        alert("입력하신 본인확인 정보로 가입된 내역이 존재합니다.\\n회원아이디 : ".$row['mb_id']);
     }
 }
 
@@ -168,6 +168,7 @@ if ($config['cf_cert_use'] && $cert_type && $md5_cert_no) {
         $sql_certify .= " , mb_adult = '{$_SESSION['ss_cert_adult']}' ";
         $sql_certify .= " , mb_birth = '{$_SESSION['ss_cert_birth']}' ";
         $sql_certify .= " , mb_sex = '{$_SESSION['ss_cert_sex']}' ";
+        $sql_certify .= " , mb_dupinfo = '{$_SESSION['ss_cert_dupinfo']}' ";
     } else {
         $sql_certify .= " , mb_hp = '{$mb_hp}' ";
         $sql_certify .= " , mb_certify  = '' ";
diff --git a/install/gnuboard5.sql b/install/gnuboard5.sql
index 580696a2b..6df6f7538 100644
--- a/install/gnuboard5.sql
+++ b/install/gnuboard5.sql
@@ -452,6 +452,7 @@ CREATE TABLE IF NOT EXISTS `g5_member` (
   `mb_hp` varchar(255) NOT NULL default '',
   `mb_certify` varchar(20) NOT NULL default '',
   `mb_adult` tinyint(4) NOT NULL default '0',
+  `mb_dupinfo` varchar(255) NOT NULL default '',
   `mb_zip1` char(3) NOT NULL default '',
   `mb_zip2` char(3) NOT NULL default '',
   `mb_addr1` varchar(255) NOT NULL default '',
@@ -800,6 +801,7 @@ CREATE TABLE IF NOT EXISTS `g5_content` (
   `co_html` tinyint(4) NOT NULL DEFAULT '0',
   `co_subject` varchar(255) NOT NULL DEFAULT '',
   `co_content` longtext NOT NULL,
+  `co_tag_filter_use` tinyint(4) NOT NULL DEFAULT '0',
   `co_hit` int(11) NOT NULL DEFAULT '0',
   `co_include_head` varchar(255) NOT NULL,
   `co_include_tail` varchar(255) NOT NULL,
diff --git a/lib/common.lib.php b/lib/common.lib.php
index e2a52a832..80180937c 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -510,7 +510,7 @@ function conv_subject($subject, $len, $suffix='')
 }
 
 // 내용을 변환
-function conv_content($content, $html)
+function conv_content($content, $html, $filter=true)
 {
     global $config, $board;
 
@@ -536,7 +536,9 @@ function conv_content($content, $html)
         }
 
         $content = preg_replace($source, $target, $content);
-        $content = html_purifier($content);
+
+        if($filter)
+            $content = html_purifier($content);
     }
     else // text 이면
     {
diff --git a/mobile/content.php b/mobile/content.php
new file mode 100644
index 000000000..4ca181961
--- /dev/null
+++ b/mobile/content.php
@@ -0,0 +1,64 @@
+<?php
+include_once('./_common.php');
+
+// 내용
+$sql = " select * from {$g5['content_table']} where co_id = '$co_id' ";
+$co = sql_fetch($sql);
+if (!$co['co_id'])
+    alert('등록된 내용이 없습니다.');
+
+$g5['title'] = $co['co_subject'];
+include_once('./_head.php');
+
+$str = conv_content($co['co_content'], $co['co_html'], $co['co_tag_filter_use']);
+
+// $src 를 $dst 로 변환
+unset($src);
+unset($dst);
+$src[] = "/{{쇼핑몰명}}|{{홈페이지제목}}/";
+//$dst[] = $default[de_subject];
+$dst[] = $config['cf_title'];
+$src[] = "/{{회사명}}|{{상호}}/";
+$dst[] = $default['de_admin_company_name'];
+$src[] = "/{{대표자명}}/";
+$dst[] = $default['de_admin_company_owner'];
+$src[] = "/{{사업자등록번호}}/";
+$dst[] = $default['de_admin_company_saupja_no'];
+$src[] = "/{{대표전화번호}}/";
+$dst[] = $default['de_admin_company_tel'];
+$src[] = "/{{팩스번호}}/";
+$dst[] = $default['de_admin_company_fax'];
+$src[] = "/{{통신판매업신고번호}}/";
+$dst[] = $default['de_admin_company_tongsin_no'];
+$src[] = "/{{사업장우편번호}}/";
+$dst[] = $default['de_admin_company_zip'];
+$src[] = "/{{사업장주소}}/";
+$dst[] = $default['de_admin_company_addr'];
+$src[] = "/{{운영자명}}|{{관리자명}}/";
+$dst[] = $default['de_admin_name'];
+$src[] = "/{{운영자e-mail}}|{{관리자e-mail}}/i";
+$dst[] = $default['de_admin_email'];
+$src[] = "/{{정보관리책임자명}}/";
+$dst[] = $default['de_admin_info_name'];
+$src[] = "/{{정보관리책임자e-mail}}|{{정보책임자e-mail}}/i";
+$dst[] = $default['de_admin_info_email'];
+
+$str = preg_replace($src, $dst, $str);
+?>
+
+<!-- 등록내용 시작 { -->
+<article id="ctt" class="ctt_<?php echo $co_id; ?>">
+    <header>
+        <h1><?php echo $g5['title']; ?></h1>
+    </header>
+
+    <div id="ctt_con">
+        <?php echo $str; ?>
+    </div>
+
+</article>
+<!-- } 등록내용 끝 -->
+
+<?php
+include_once('./_tail.php');
+?>
diff --git a/plugin/kcpcert/kcpcert_result.php b/plugin/kcpcert/kcpcert_result.php
index fb642a557..a7e06a03f 100644
--- a/plugin/kcpcert/kcpcert_result.php
+++ b/plugin/kcpcert/kcpcert_result.php
@@ -134,11 +134,12 @@ if( $cert_enc_use == "Y" )
             alert_close("정상적인 인증이 아닙니다. 올바른 방법으로 이용해 주세요.");
 
         $phone_no = hyphen_hp_number($phone_no);
+        $mb_dupinfo = $di;
 
-        $sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_hp = '{$phone_no}' ";
+        $sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_dupinfo = '{$mb_dupinfo}' ";
         $row = sql_fetch($sql);
         if ($row['mb_id']) {
-            alert_close("이미 가입되어 있는 휴대폰번호 입니다.\\n회원아이디 : ".$row['mb_id']);
+            alert_close("입력하신 본인학인 정보로 가입된 내역이 존재합니다.\\n회원아이디 : ".$row['mb_id']);
         }
 
         // hash 데이터
@@ -156,6 +157,7 @@ if( $cert_enc_use == "Y" )
         set_session("ss_cert_adult",   $adult);
         set_session("ss_cert_birth",   $birth_day);
         set_session("ss_cert_sex",     ($sex_code=="01"?"M":"F"));
+        set_session('ss_cert_dupinfo', $mb_dupinfo);
     }
     else if( $res_cd != "0000" )
     {
diff --git a/plugin/okname/hpcert2.php b/plugin/okname/hpcert2.php
index 3f5ed6d72..5a53777f6 100644
--- a/plugin/okname/hpcert2.php
+++ b/plugin/okname/hpcert2.php
@@ -95,13 +95,14 @@ echo "리턴메시지        :$field[16] <br/>";
 $mb_name = $field[7];
 $req_num = $field[12];
 $mb_birth = $field[8];
-
-// 휴대폰번호 중복체크
+$mb_dupinfo = $field[4];
 $phone_no = hyphen_hp_number($req_num);
-$sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_hp = '{$phone_no}' ";
+
+// 중복정보 체크
+$sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_dupinfo = '{$mb_dupinfo}' ";
 $row = sql_fetch($sql);
 if ($row['mb_id']) {
-    alert_close("이미 가입되어 있는 휴대폰번호 입니다.\\n회원아이디 : ".$row['mb_id']);
+    alert_close("입력하신 본인학인 정보로 가입된 내역이 존재합니다.\\n회원아이디 : ".$row['mb_id']);
 }
 
 // hash 데이터
@@ -119,6 +120,7 @@ set_session('ss_cert_hash',    $hash_data);
 set_session('ss_cert_adult',   $adult);
 set_session('ss_cert_birth',   $mb_birth);
 set_session('ss_cert_sex',     ($field[9] == 1 ? 'M' : 'F'));
+set_session('ss_cert_dupinfo', $mb_dupinfo);
 
 $g5['title'] = 'KCB 휴대폰 본인확인';
 include_once(G5_PATH.'/head.sub.php');
diff --git a/plugin/okname/ipin2.php b/plugin/okname/ipin2.php
index 43dc61e02..dda65f104 100644
--- a/plugin/okname/ipin2.php
+++ b/plugin/okname/ipin2.php
@@ -67,6 +67,14 @@ $field_name_IPIN_DEC = array(
 $mb_name = $field[6];
 $req_num = $field[7];
 $mb_birth = $field[11];
+$mb_dupinfo = $field[0];
+
+// 중복정보 체크
+$sql = " select mb_id from {$g5['member_table']} where mb_id <> '{$member['mb_id']}' and mb_dupinfo = '{$mb_dupinfo}' ";
+$row = sql_fetch($sql);
+if ($row['mb_id']) {
+    alert_close("입력하신 본인확인 정보로 가입된 내역이 존재합니다.\\n회원아이디 : ".$row['mb_id']);
+}
 
 // hash 데이터
 $cert_type = 'ipin';
@@ -82,6 +90,7 @@ set_session('ss_cert_hash',    $hash_data);
 set_session('ss_cert_adult',   $adult);
 set_session('ss_cert_birth',   $mb_birth);
 set_session('ss_cert_sex',     ($field[9] == 1 ? 'M' : 'F'));
+set_session('ss_cert_dupinfo', $mb_dupinfo);
 
 $g5['title'] = 'KCB 아이핀 본인확인';
 include_once(G5_PATH.'/head.sub.php');