diff --git a/apps/common/features/src/entities/post/model/post-interface.ts b/apps/common/features/src/entities/post/model/post-interface.ts
index c1053cca9..16a2f4de2 100644
--- a/apps/common/features/src/entities/post/model/post-interface.ts
+++ b/apps/common/features/src/entities/post/model/post-interface.ts
@@ -12,6 +12,7 @@ export interface PostParams extends PageableParams {
 
 export interface Post {
   bbsId: number;
+  rowNo: number;
   pstNo: number;
   pstTtl: string;
   inqNocs: number;
diff --git a/apps/common/features/src/pages/(pst)/normal/ui/create-page.tsx b/apps/common/features/src/pages/(pst)/normal/ui/create-page.tsx
index a6a926c32..ddbc22ece 100644
--- a/apps/common/features/src/pages/(pst)/normal/ui/create-page.tsx
+++ b/apps/common/features/src/pages/(pst)/normal/ui/create-page.tsx
@@ -1,13 +1,12 @@
 "use client";
 
-import { useEffect } from "react";
 import { useRouter } from "next/navigation";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { useMutation } from "@tanstack/react-query";
 import { PostForm } from "@/widgets/post";
 import { PostApi, postFormSchema, type PostFormData } from "@/entities/post";
-import { setCookie, useAlertStore, useUserStore } from "@/shared/lib";
+import { useAlertStore, useUserStore } from "@/shared/lib";
 
 function CreatePage({ bbsId }: { bbsId: string }) {
   const router = useRouter();
@@ -34,10 +33,6 @@ function CreatePage({ bbsId }: { bbsId: string }) {
     },
   });
 
-  useEffect(() => {
-    setCookie("atfl-cd-key", "");
-  }, []);
-
   return (
     <div className="card card-border !mt-6">
       <div className="card-header">
diff --git a/apps/common/features/src/pages/(pst)/normal/ui/modify-page.tsx b/apps/common/features/src/pages/(pst)/normal/ui/modify-page.tsx
index 1bff638f8..897b72e62 100644
--- a/apps/common/features/src/pages/(pst)/normal/ui/modify-page.tsx
+++ b/apps/common/features/src/pages/(pst)/normal/ui/modify-page.tsx
@@ -1,6 +1,5 @@
 "use client";
 
-import { useEffect } from "react";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { useMutation, useQuery } from "@tanstack/react-query";
@@ -11,7 +10,7 @@ import {
   type PostUpdateFormData,
 } from "@/entities/post";
 import { ENDPOINT } from "@/shared/config";
-import { setCookie, useAlertStore, useUserStore } from "@/shared/lib";
+import { useAlertStore, useUserStore } from "@/shared/lib";
 
 function ModifyPage({ bbsId, pstNo }: { bbsId: string; pstNo: string }) {
   const { setMessage: alert } = useAlertStore((state) => state);
@@ -39,10 +38,6 @@ function ModifyPage({ bbsId, pstNo }: { bbsId: string; pstNo: string }) {
     },
   });
 
-  useEffect(() => {
-    setCookie("atfl-cd-key", "");
-  }, []);
-
   return (
     <div className="card card-border !mt-6">
       <div className="card-header">
diff --git a/apps/common/features/src/pages/(pst)/notice/model/notice-table-columns.tsx b/apps/common/features/src/pages/(pst)/notice/model/notice-table-columns.tsx
index 2a9794919..0926a2d9d 100644
--- a/apps/common/features/src/pages/(pst)/notice/model/notice-table-columns.tsx
+++ b/apps/common/features/src/pages/(pst)/notice/model/notice-table-columns.tsx
@@ -6,9 +6,8 @@ import type { Post } from "@/entities/post";
 
 export const columns: ColumnDef<Post>[] = [
   {
-    id: "no",
+    accessorKey: "rowNo",
     header: "NO",
-    cell: ({ row }) => row.index + 1,
   },
   {
     accessorKey: "pstTtl",
diff --git a/apps/common/features/src/pages/(pst)/notice/ui/create-page.tsx b/apps/common/features/src/pages/(pst)/notice/ui/create-page.tsx
index a6a926c32..ddbc22ece 100644
--- a/apps/common/features/src/pages/(pst)/notice/ui/create-page.tsx
+++ b/apps/common/features/src/pages/(pst)/notice/ui/create-page.tsx
@@ -1,13 +1,12 @@
 "use client";
 
-import { useEffect } from "react";
 import { useRouter } from "next/navigation";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { useMutation } from "@tanstack/react-query";
 import { PostForm } from "@/widgets/post";
 import { PostApi, postFormSchema, type PostFormData } from "@/entities/post";
-import { setCookie, useAlertStore, useUserStore } from "@/shared/lib";
+import { useAlertStore, useUserStore } from "@/shared/lib";
 
 function CreatePage({ bbsId }: { bbsId: string }) {
   const router = useRouter();
@@ -34,10 +33,6 @@ function CreatePage({ bbsId }: { bbsId: string }) {
     },
   });
 
-  useEffect(() => {
-    setCookie("atfl-cd-key", "");
-  }, []);
-
   return (
     <div className="card card-border !mt-6">
       <div className="card-header">
diff --git a/apps/common/features/src/pages/(pst)/notice/ui/modify-page.tsx b/apps/common/features/src/pages/(pst)/notice/ui/modify-page.tsx
index 1bff638f8..897b72e62 100644
--- a/apps/common/features/src/pages/(pst)/notice/ui/modify-page.tsx
+++ b/apps/common/features/src/pages/(pst)/notice/ui/modify-page.tsx
@@ -1,6 +1,5 @@
 "use client";
 
-import { useEffect } from "react";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { useMutation, useQuery } from "@tanstack/react-query";
@@ -11,7 +10,7 @@ import {
   type PostUpdateFormData,
 } from "@/entities/post";
 import { ENDPOINT } from "@/shared/config";
-import { setCookie, useAlertStore, useUserStore } from "@/shared/lib";
+import { useAlertStore, useUserStore } from "@/shared/lib";
 
 function ModifyPage({ bbsId, pstNo }: { bbsId: string; pstNo: string }) {
   const { setMessage: alert } = useAlertStore((state) => state);
@@ -39,10 +38,6 @@ function ModifyPage({ bbsId, pstNo }: { bbsId: string; pstNo: string }) {
     },
   });
 
-  useEffect(() => {
-    setCookie("atfl-cd-key", "");
-  }, []);
-
   return (
     <div className="card card-border !mt-6">
       <div className="card-header">
diff --git a/apps/common/features/src/widgets/post/model/post-table-columns.tsx b/apps/common/features/src/widgets/post/model/post-table-columns.tsx
index 153593607..8500cf653 100644
--- a/apps/common/features/src/widgets/post/model/post-table-columns.tsx
+++ b/apps/common/features/src/widgets/post/model/post-table-columns.tsx
@@ -6,7 +6,7 @@ import type { Post } from "@/entities/post";
 
 export const columns: ColumnDef<Post & { isUpndFixPost?: boolean }>[] = [
   {
-    id: "no",
+    accessorKey: "rowNo",
     header: "NO",
     cell: ({ row }) => {
       if (row.original.isUpndFixPost) {
@@ -19,7 +19,7 @@ export const columns: ColumnDef<Post & { isUpndFixPost?: boolean }>[] = [
           </Badge>
         );
       }
-      return row.index + 1;
+      return row.original.rowNo;
     },
   },
   {
diff --git a/apps/common/features/src/widgets/post/ui/post-form.tsx b/apps/common/features/src/widgets/post/ui/post-form.tsx
index e603e91f1..84636f234 100644
--- a/apps/common/features/src/widgets/post/ui/post-form.tsx
+++ b/apps/common/features/src/widgets/post/ui/post-form.tsx
@@ -24,10 +24,10 @@ import { handleTusUpload } from "@/entities/tus";
 import { BOARD_POSTING_CODE, type Board } from "@/entities/board";
 import { AttachmentApi, type Attachment } from "@/entities/attachment";
 import type { Post, PostFormData, PostUpdateFormData } from "@/entities/post";
-import { FormControl, FormField, FormItem } from "@/shared/ui/form";
-import { FormWrapper } from "@/shared/ui/form-wrapper";
-import { useUserStore } from "@/shared/lib";
 import { ENDPOINT } from "@/shared/config";
+import { useUserStore, useAlertStore, setCookie } from "@/shared/lib";
+import { FormWrapper } from "@/shared/ui/form-wrapper";
+import { FormControl, FormField, FormItem } from "@/shared/ui/form";
 
 type PostFormProps<T extends PostFormData | PostUpdateFormData> = {
   form: UseFormReturn<T>;
@@ -41,6 +41,7 @@ function PostForm<T extends PostFormData | PostUpdateFormData>({
   const atflCd = form.getValues("atflCd" as FieldPath<T>);
 
   const { userInfo } = useUserStore((state) => state);
+  const { setMessage: alert } = useAlertStore((state) => state);
   const [storedBbsInfo] = useLocalStorage("bbs-info", "");
 
   const [bbsInfo, setBbsInfo] = useState<Board | null>(null);
@@ -80,6 +81,29 @@ function PostForm<T extends PostFormData | PostUpdateFormData>({
     }
   };
 
+  const handleUpload = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const atflCd = form.getValues("atflCd" as FieldPath<T>);
+    if (atflCd) setCookie("atfl-cd-key", atflCd as string);
+
+    const files = e.target.files;
+    if (!files) return;
+    if (bbsInfo?.atflMaxCnt && files.length > bbsInfo.atflMaxCnt) {
+      alert("첨부파일 최대 개수를 초과했습니다.");
+      return;
+    }
+
+    for (const file of files) {
+      const fileSize = Math.round(file.size / 1024); // Byte -> KB
+      if (bbsInfo?.atflMaxFileSz && fileSize > bbsInfo.atflMaxFileSz) {
+        alert("첨부파일 최대 크기를 초과했습니다.");
+        return;
+      }
+      handleTusUpload(file, {
+        handleResponse: handleTusResponse,
+      });
+    }
+  };
+
   const saveInterceptors = async (data: T) => {
     if (deleteAttachments.length > 0) {
       await Promise.all(
@@ -105,6 +129,10 @@ function PostForm<T extends PostFormData | PostUpdateFormData>({
     if (storedBbsInfo) setBbsInfo(JSON.parse(storedBbsInfo));
   }, [storedBbsInfo]);
 
+  useEffect(() => {
+    setCookie("atfl-cd-key", "");
+  }, []);
+
   return (
     <FormWrapper form={form} handleSave={saveInterceptors}>
       <div className="card">
@@ -428,54 +456,48 @@ function PostForm<T extends PostFormData | PostUpdateFormData>({
                 </TableCell>
               </TableRow>
             )}
-            <TableRow>
-              <TableHead>첨부파일</TableHead>
-              <TableCell className="border">
-                <FileUploader
-                  id="atflCd"
-                  multiple
-                  className="flex !h-auto max-w-full flex-row-reverse gap-4 [&>label]:h-[3.2rem]"
-                  onUpload={(e) => {
-                    const files = e.target.files;
-                    if (!files) return;
-                    for (const file of files) {
-                      handleTusUpload(file, {
-                        handleResponse: handleTusResponse,
-                      });
-                    }
-                  }}
-                  customPreview={
-                    <div className="flex w-full gap-4">
-                      {Object.entries(attachments).map(
-                        ([atflId, attachment]) => {
-                          if (deleteAttachments.includes(atflId)) return null;
-                          return (
-                            <div
-                              key={atflId}
-                              className="flex h-[3.2rem] items-center gap-2 rounded-sm border border-border bg-background px-3 py-2 text-foreground"
-                            >
-                              <span>{attachment.orgnlFileNm}</span>
-                              <Button
-                                color="lightGray"
-                                className="flex size-7 items-center justify-center rounded-full p-0"
-                                onClick={() =>
-                                  setDeleteAttachments((prev) => [
-                                    ...prev,
-                                    atflId,
-                                  ])
-                                }
+            {bbsInfo?.atflUseYn === "Y" && (
+              <TableRow>
+                <TableHead>첨부파일</TableHead>
+                <TableCell className="border">
+                  <FileUploader
+                    id="atflCd"
+                    multiple
+                    className="flex !h-auto max-w-full flex-row-reverse gap-4 [&>label]:h-[3.2rem]"
+                    onUpload={handleUpload}
+                    customPreview={
+                      <div className="flex w-full gap-4">
+                        {Object.entries(attachments).map(
+                          ([atflId, attachment]) => {
+                            if (deleteAttachments.includes(atflId)) return null;
+                            return (
+                              <div
+                                key={atflId}
+                                className="flex h-[3.2rem] items-center gap-2 rounded-sm border border-border bg-background px-3 py-2 text-foreground"
                               >
-                                <i className="diveicon di-x text-xs" />
-                              </Button>
-                            </div>
-                          );
-                        },
-                      )}
-                    </div>
-                  }
-                />
-              </TableCell>
-            </TableRow>
+                                <span>{attachment.orgnlFileNm}</span>
+                                <Button
+                                  color="lightGray"
+                                  className="flex size-7 items-center justify-center rounded-full p-0"
+                                  onClick={() =>
+                                    setDeleteAttachments((prev) => [
+                                      ...prev,
+                                      atflId,
+                                    ])
+                                  }
+                                >
+                                  <i className="diveicon di-x text-xs" />
+                                </Button>
+                              </div>
+                            );
+                          },
+                        )}
+                      </div>
+                    }
+                  />
+                </TableCell>
+              </TableRow>
+            )}
           </TableBody>
         </Table>
       </div>
diff --git a/apps/cs/src/pages/bbs/ui/bbs-form.tsx b/apps/cs/src/pages/bbs/ui/bbs-form.tsx
index f56f46622..8f645da1e 100644
--- a/apps/cs/src/pages/bbs/ui/bbs-form.tsx
+++ b/apps/cs/src/pages/bbs/ui/bbs-form.tsx
@@ -36,12 +36,12 @@ type BbsFormProps = {
 
 function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
   const bbsTypeCd = form.watch("bbsTypeCd");
-  const formDisabled = !!bbsTypeCd && bbsTypeCd !== "BBSNORMAL";
+  const disabledForm = !!bbsTypeCd && bbsTypeCd !== "BBSNORMAL";
 
   const { data: boardTemplate } = useQuery({
     queryKey: [ENDPOINT.BOARD_SERVICE.BBS_TEMPLATES, bbsTypeCd],
     queryFn: () => BoardTemplateApi.getBoardTemplate(bbsTypeCd),
-    enabled: !formDisabled,
+    enabled: disabledForm,
   });
 
   return (
@@ -128,7 +128,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.rfrncUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="rfrncUseY" />
@@ -158,7 +158,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.atflUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="atflUseY" />
@@ -199,7 +199,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           className="w-[12rem] !text-[1.3rem]"
                           placeholder="최대 개수 입력"
                           disabled={
-                            form.getValues("atflUseYn") === "N" || formDisabled
+                            form.getValues("atflUseYn") === "N" || disabledForm
                           }
                         />
                       </FormControl>
@@ -234,7 +234,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           className="w-[12rem] !text-[1.3rem]"
                           placeholder="최대 크기 입력"
                           disabled={
-                            form.getValues("atflUseYn") === "N" || formDisabled
+                            form.getValues("atflUseYn") === "N" || disabledForm
                           }
                         />
                       </FormControl>
@@ -256,7 +256,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.ansUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="ansUseY" />
@@ -315,7 +315,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.cmntUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="cmntUseY" />
@@ -345,7 +345,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.dgstfnEvlUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="dgstfnEvlUseY" />
@@ -375,7 +375,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.popupUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="popupUseY" />
@@ -405,7 +405,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.smsUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="smsUseY" />
@@ -435,7 +435,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.upndFixUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="upndFixUseY" />
@@ -465,7 +465,7 @@ function BbsForm({ form, bbsId, ...props }: BbsFormProps) {
                           {...field}
                           value={boardTemplate?.pstgPrdUseYn ?? field.value}
                           onValueChange={field.onChange}
-                          disabled={formDisabled}
+                          disabled={disabledForm}
                         >
                           <div className="flex items-center space-x-2">
                             <RadioGroupItem value="Y" id="pstgPrdUseY" />