diff --git a/bbs/filter.ajax.php b/bbs/ajax.filter.php
similarity index 90%
rename from bbs/filter.ajax.php
rename to bbs/ajax.filter.php
index 14e2850e8..e1c1d72ce 100644
--- a/bbs/filter.ajax.php
+++ b/bbs/ajax.filter.php
@@ -1,8 +1,6 @@
 <?php
 include_once('./_common.php');
 
-header("Content-Type: text/html; charset=utf-8");
-
 $subject = strtolower($_POST['subject']);
 $content = strtolower(strip_tags($_POST['content']));
 
diff --git a/mobile/skin/board/basic/view_comment.skin.php b/mobile/skin/board/basic/view_comment.skin.php
index 8ae3ef6ca..c44a12cc5 100644
--- a/mobile/skin/board/basic/view_comment.skin.php
+++ b/mobile/skin/board/basic/view_comment.skin.php
@@ -171,7 +171,7 @@ var char_max = parseInt(<?php echo $comment_max ?>); // 최대
         var subject = "";
         var content = "";
         $.ajax({
-            url: g4_bbs_url+"/filter.ajax.php",
+            url: g4_bbs_url+"/ajax.filter.php",
             type: "POST",
             data: {
                 "subject": "",
diff --git a/mobile/skin/board/basic/write.skin.php b/mobile/skin/board/basic/write.skin.php
index c24f751b6..31bc836ef 100644
--- a/mobile/skin/board/basic/write.skin.php
+++ b/mobile/skin/board/basic/write.skin.php
@@ -202,7 +202,7 @@ function fwrite_submit(f)
     var subject = "";
     var content = "";
     $.ajax({
-        url: g4_bbs_url+"/filter.ajax.php",
+        url: g4_bbs_url+"/ajax.filter.php",
         type: "POST",
         data: {
             "subject": f.wr_subject.value,
diff --git a/mobile/skin/board/gallery/view_comment.skin.php b/mobile/skin/board/gallery/view_comment.skin.php
index 952184938..2a4a1c708 100644
--- a/mobile/skin/board/gallery/view_comment.skin.php
+++ b/mobile/skin/board/gallery/view_comment.skin.php
@@ -174,7 +174,7 @@ var char_max = parseInt(<?php echo $comment_max ?>); // 최대
         var subject = "";
         var content = "";
         $.ajax({
-            url: g4_bbs_url+"/filter.ajax.php",
+            url: g4_bbs_url+"/ajax.filter.php",
             type: "POST",
             data: {
                 "subject": "",
diff --git a/mobile/skin/board/gallery/write.skin.php b/mobile/skin/board/gallery/write.skin.php
index 76351e6f8..b3d57a10d 100644
--- a/mobile/skin/board/gallery/write.skin.php
+++ b/mobile/skin/board/gallery/write.skin.php
@@ -202,7 +202,7 @@ function fwrite_submit(f)
     var subject = "";
     var content = "";
     $.ajax({
-        url: g4_bbs_url+"/filter.ajax.php",
+        url: g4_bbs_url+"/ajax.filter.php",
         type: "POST",
         data: {
             "subject": f.wr_subject.value,
diff --git a/skin/board/basic/view_comment.skin.php b/skin/board/basic/view_comment.skin.php
index 6086927e5..c66d0d934 100644
--- a/skin/board/basic/view_comment.skin.php
+++ b/skin/board/basic/view_comment.skin.php
@@ -175,7 +175,7 @@ var char_max = parseInt(<?php echo $comment_max ?>); // 최대
         var subject = "";
         var content = "";
         $.ajax({
-            url: g4_bbs_url+"/filter.ajax.php",
+            url: g4_bbs_url+"/ajax.filter.php",
             type: "POST",
             data: {
                 "subject": "",
diff --git a/skin/board/basic/write.skin.php b/skin/board/basic/write.skin.php
index 4c7305153..444460d2e 100644
--- a/skin/board/basic/write.skin.php
+++ b/skin/board/basic/write.skin.php
@@ -173,7 +173,7 @@ function fwrite_submit(f)
     var subject = "";
     var content = "";
     $.ajax({
-        url: g4_bbs_url+"/filter.ajax.php",
+        url: g4_bbs_url+"/ajax.filter.php",
         type: "POST",
         data: {
             "subject": f.wr_subject.value,
diff --git a/skin/board/gallery/view_comment.skin.php b/skin/board/gallery/view_comment.skin.php
index c03297c4a..91ecb6667 100644
--- a/skin/board/gallery/view_comment.skin.php
+++ b/skin/board/gallery/view_comment.skin.php
@@ -176,7 +176,7 @@ var char_max = parseInt(<?php echo $comment_max ?>); // 최대
         var subject = "";
         var content = "";
         $.ajax({
-            url: g4_bbs_url+"/filter.ajax.php",
+            url: g4_bbs_url+"/ajax.filter.php",
             type: "POST",
             data: {
                 "subject": "",
diff --git a/skin/board/gallery/write.skin.php b/skin/board/gallery/write.skin.php
index 3875e2b3c..f53798f52 100644
--- a/skin/board/gallery/write.skin.php
+++ b/skin/board/gallery/write.skin.php
@@ -202,7 +202,7 @@ function fwrite_submit(f)
     var subject = "";
     var content = "";
     $.ajax({
-        url: g4_bbs_url+"/filter.ajax.php",
+        url: g4_bbs_url+"/ajax.filter.php",
         type: "POST",
         data: {
             "subject": f.wr_subject.value,