{"id":120155,"date":"2025-10-16T18:51:36","date_gmt":"2025-10-16T11:51:36","guid":{"rendered":"https:\/\/tino.vn\/blog\/?p=120155"},"modified":"2026-01-02T17:16:46","modified_gmt":"2026-01-02T10:16:46","slug":"cach-sua-loi-413-request-entity-too-large","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/cach-sua-loi-413-request-entity-too-large\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eeda l\u1ed7i 413 Request Entity too large trong WordPress [2026]"},"content":{"rendered":"\n<p><strong>B\u1ea1n \u0111\u00e3 bao gi\u1edd g\u1eb7p ph\u1ea3i th\u00f4ng b\u00e1o kh\u00f3 ch\u1ecbu &#8220;413 Request Entity Too Large&#8221; khi t\u1ea3i t\u1ec7p l\u00ean website <a href=\"https:\/\/tino.vn\/blog\/wordpress-la-gi\/\" target=\"_blank\" data-type=\"post\" data-id=\"15589\" rel=\"noreferrer noopener\">WordPress<\/a> ch\u01b0a? \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng b\u1ed1i r\u1ed1i, \u0111\u1eb7c bi\u1ec7t khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c t\u1ec7p l\u1edbn nh\u01b0 video, h\u00ecnh \u1ea3nh ho\u1eb7c t\u00e0i li\u1ec7u. \u0110\u1eebng lo l\u1eafng! B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch s\u1eeda l\u1ed7i 413 Request Entity Too Large \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3.<\/strong><\/p>\n\n\n\n<h2 id=\"L\u1ed7i_413_Request_Entity_Too_Large_l\u00e0_g\u00ec?\"><a id=\"post-120155-_1z20ya6bgrzt\"><\/a>L\u1ed7i 413 Request Entity Too Large l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>L\u1ed7i &#8220;413 Request Entity Too Large&#8221; l\u00e0 m\u1ed9t m\u00e3 tr\u1ea1ng th\u00e1i HTTP \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7 tr\u1ea3 v\u1ec1 khi ng\u01b0\u1eddi d\u00f9ng c\u1ed1 g\u1eafng t\u1ea3i l\u00ean m\u1ed9t t\u1ec7p ho\u1eb7c g\u1eedi m\u1ed9t y\u00eau c\u1ea7u c\u00f3 k\u00edch th\u01b0\u1edbc v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p c\u1ee7a m\u00e1y ch\u1ee7. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi k\u00edch th\u01b0\u1edbc t\u1ec7p v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng c\u1ea5u h\u00ecnh trong ph\u1ea7n c\u00e0i \u0111\u1eb7t c\u1ee7a m\u00e1y ch\u1ee7 (nh\u01b0 Apache, Nginx) ho\u1eb7c gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi \u1ee9ng d\u1ee5ng web (v\u00ed d\u1ee5: WordPress).<\/p>\n\n\n\n<p>L\u1ed7i n\u00e0y kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u1ea3i t\u1ec7p m\u00e0 c\u00f2n c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c ch\u1ee9c n\u0103ng quan tr\u1ecdng nh\u01b0 g\u1eedi bi\u1ec3u m\u1eabu ho\u1eb7c \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u, g\u00e2y kh\u00f3 kh\u0103n cho c\u1ea3 ng\u01b0\u1eddi d\u00f9ng v\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean website.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-1.png\" alt=\"L\u1ed7i 413 Request Entity Too Large l\u00e0 g\u00ec?\" class=\"wp-image-120156\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-1.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-1-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>L\u1ed7i 413 Request Entity Too Large l\u00e0 g\u00ec?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 id=\"C\u00e1c_nguy\u00ean_nh\u00e2n_ch\u00ednh_g\u00e2y_ra_l\u1ed7i_&#8220;413_Request_Entity_Too_Large&#8221;\"><a id=\"post-120155-_qqvot7wjmg8v\"><\/a>C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra l\u1ed7i &#8220;413 Request Entity Too Large&#8221;<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc t\u1ec7p t\u1ea3i l\u00ean c\u1ee7a m\u00e1y ch\u1ee7:<\/strong> H\u1ea7u h\u1ebft c\u00e1c m\u00e1y ch\u1ee7 web c\u00f3 gi\u1edbi h\u1ea1n m\u1eb7c \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc t\u1ec7p c\u00f3 th\u1ec3 t\u1ea3i l\u00ean. N\u1ebfu b\u1ea1n c\u1ed1 g\u1eafng t\u1ea3i l\u00ean m\u1ed9t t\u1ec7p l\u1edbn h\u01a1n gi\u1edbi h\u1ea1n n\u00e0y, m\u00e1y ch\u1ee7 s\u1ebd t\u1eeb ch\u1ed1i v\u00e0 hi\u1ec3n th\u1ecb l\u1ed7i 413.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh PHP upload_max_filesize v\u00e0 post_max_size b\u1ecb gi\u1edbi h\u1ea1n:<\/strong> N\u1ebfu gi\u00e1 tr\u1ecb c\u1ee7a hai tham s\u1ed1 n\u00e0y qu\u00e1 th\u1ea5p, b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 t\u1ea3i l\u00ean t\u1ec7p c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 web kh\u00f4ng ph\u00f9 h\u1ee3p (Apache\/Nginx):<\/strong> N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng <a href=\"https:\/\/httpd.apache.org\/\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/httpd.apache.org\/\" rel=\"noreferrer noopener nofollow\">Apache<\/a>, t\u1ec7p .htaccess c\u00f3 th\u1ec3 c\u00f3 gi\u1edbi h\u1ea1n LimitRequestBody, khi\u1ebfn c\u00e1c y\u00eau c\u1ea7u t\u1ea3i t\u1ec7p l\u1edbn b\u1ecb t\u1eeb ch\u1ed1i. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng Nginx, tham s\u1ed1 client_max_body_size c\u00f3 th\u1ec3 \u0111\u1eb7t gi\u1edbi h\u1ea1n th\u1ea5p, g\u00e2y ra l\u1ed7i 413 khi t\u1ea3i t\u1ec7p l\u1edbn.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh trong WordPress ho\u1eb7c cPanel b\u1ecb gi\u1edbi h\u1ea1n: <\/strong>WordPress c\u00f3 th\u1ec3 gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc t\u1ec7p t\u1ea3i l\u00ean trong ph\u1ea7n c\u00e0i \u0111\u1eb7t. Ngo\u00e0i ra, cPanel c\u0169ng c\u00f3 th\u1ec3 c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 k\u00edch th\u01b0\u1edbc t\u1ec7p t\u1ea3i l\u00ean \u1edf c\u1ea5p \u0111\u1ed9 server.<\/li>\n\n\n\n<li><strong>Gi\u1edbi h\u1ea1n t\u1eeb nh\u00e0 cung c\u1ea5p hosting: <\/strong>M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p hosting thi\u1ebft l\u1eadp gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc t\u1ea3i l\u00ean \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u00e0i nguy\u00ean, \u0111\u1eb7c bi\u1ec7t l\u00e0 shared hosting.<\/li>\n\n\n\n<li><strong>T\u01b0\u1eddng l\u1eeda ho\u1eb7c c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7:<\/strong> M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng t\u01b0\u1eddng l\u1eeda ho\u1eb7c ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c y\u00eau c\u1ea7u t\u1ea3i l\u00ean t\u1ec7p l\u1edbn \u0111\u1ec3 tr\u00e1nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS ho\u1eb7c l\u1ed7i b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-2.png\" alt=\"C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra l\u1ed7i &quot;413 Request Entity Too Large&quot;\" class=\"wp-image-120157\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-2.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-2-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra l\u1ed7i &#8220;413 Request Entity Too Large&#8221;<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 id=\"M\u1ed9t_s\u1ed1_c\u00e1ch_s\u1eeda_l\u1ed7i_413_Request_Entity_Too_Large_trong_WordPress\"><a id=\"post-120155-_d2m0f5x4hca\"><\/a>M\u1ed9t s\u1ed1 c\u00e1ch s\u1eeda l\u1ed7i 413 Request Entity Too Large trong WordPress<\/h2>\n\n\n\n<p>V\u00ec m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p y\u00eau c\u1ea7u ch\u1ec9nh s\u1eeda t\u1ec7p trong WordPress, b\u1ea1n n\u00ean sao l\u01b0u website tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n. \u0110\u1ed3ng th\u1eddi, h\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 quy\u1ec1n qu\u1ea3n tr\u1ecb tr\u00ean m\u00e1y ch\u1ee7 v\u00e0 quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c t\u1ec7p c\u1ea7n ch\u1ec9nh s\u1eeda.<\/p>\n\n\n\n<h3 id=\"#1._\u0110\u1eb7t_l\u1ea1i_quy\u1ec1n_t\u1ec7p_(File_Permissions)\"><a id=\"post-120155-_2z9e2x54wpo8\"><\/a>#<strong>1. \u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)<\/strong><\/h3>\n\n\n\n<p>C\u00e1ch \u0111\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p trong cPanel:<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1:<\/strong> \u0110\u0103ng nh\u1eadp v\u00e0o <strong>cPanel <\/strong>-&gt; <strong>File Manager<\/strong>.<\/p>\n\n\n\n<p>C\u1ed9t <strong>Permissions (Quy\u1ec1n)<\/strong> \u1edf b\u00ean ph\u1ea3i hi\u1ec3n th\u1ecb quy\u1ec1n hi\u1ec7n t\u1ea1i c\u1ee7a t\u1eebng t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c.<\/p>\n\n\n\n<p>Quy\u1ec1n m\u1eb7c \u0111\u1ecbnh th\u01b0\u1eddng l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>644 cho t\u1ec7p:<\/strong> Ch\u1ee7 s\u1edf h\u1eefu \u0111\u1ecdc\/ghi, nh\u00f3m v\u00e0 ng\u01b0\u1eddi kh\u00e1c ch\u1ec9 \u0111\u1ecdc.<\/li>\n\n\n\n<li><strong>755 cho th\u01b0 m\u1ee5c: <\/strong>Ch\u1ee7 s\u1edf h\u1eefu \u0111\u1ecdc\/ghi\/th\u1ef1c thi, nh\u00f3m v\u00e0 ng\u01b0\u1eddi kh\u00e1c \u0111\u1ecdc\/th\u1ef1c thi.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-3.png\" alt=\"\u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)\" class=\"wp-image-120158\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-3.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-3-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>B\u01b0\u1edbc 2: <\/strong>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o t\u1ec7p ho\u1eb7c th\u01b0 m\u1ee5c, ch\u1ecdn <strong>Change Permissions (Thay \u0111\u1ed5i quy\u1ec1n)<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-4.png\" alt=\"\u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)\" class=\"wp-image-120159\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-4.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-4-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><span style=\"text-decoration: underline;\"><em>\u0110i\u1ec1u ch\u1ec9nh quy\u1ec1n:<\/em><\/span><\/p>\n\n\n\n<p>T\u00edch v\u00e0o c\u00e1c \u00f4 t\u01b0\u01a1ng \u1ee9ng trong c\u1eeda s\u1ed5 hi\u1ec7n ra (Read, Write, Execute) cho User, Group, World.<\/p>\n\n\n\n<p><strong>V\u00ed d\u1ee5: <\/strong>\u0110\u1ec3 \u0111\u1eb7t 644, ch\u1ecdn Read\/Write cho User, ch\u1ec9 Read cho Group v\u00e0 World.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-5.png\" alt=\"\u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)\" class=\"wp-image-120160\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-5.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-5-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>\u0110\u1eb7t l\u1ea1i quy\u1ec1n t\u1ec7p (File Permissions)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>Nh\u1ea5n <strong>Change Permissions<\/strong> \u0111\u1ec3 l\u01b0u thay \u0111\u1ed5i.<\/p>\n\n\n\n<h3 id=\"#2._T\u0103ng_gi\u1edbi_h\u1ea1n_t\u1ea3i_l\u00ean_c\u1ee7a_PHP_qua_cPanel\"><a id=\"post-120155-_kuqx2vgu3vn3\"><\/a>#<strong>2. T\u0103ng gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean c\u1ee7a PHP qua cPanel<\/strong><\/h3>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>\u0110\u0103ng nh\u1eadp v\u00e0o cPanel \u2192 t\u00ecm m\u1ee5c <strong>Software<\/strong> \u2192 ch\u1ecdn <strong>Select PHP Version<\/strong>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-6.png\" alt=\"T\u0103ng gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean c\u1ee7a PHP qua cPanel\" class=\"wp-image-120161\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-6.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-6-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>T\u0103ng gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean c\u1ee7a PHP qua cPanel<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>B\u01b0\u1edbc 2: <\/strong>Ch\u1ecdn tab <strong>PHP Options<\/strong>, hi\u1ec3n th\u1ecb c\u00e1c thi\u1ebft l\u1eadp PHP c\u1ee7a website.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u0103ng <strong>memory_limit <\/strong>(b\u1ed9 nh\u1edb t\u1ed1i \u0111a c\u1ee7a script).<\/li>\n\n\n\n<li>T\u00ecm m\u1ee5c <strong>post_max_size<\/strong> v\u00e0 \u0111\u1eb7t gi\u00e1 tr\u1ecb nh\u1ecf h\u01a1n memory_limit \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u c\u00f9ng l\u00fac.<\/li>\n\n\n\n<li>\u0110\u1eb7t gi\u1edbi h\u1ea1n m\u1edbi trong <strong>upload_max_filesize<\/strong>. Gi\u00e1 tr\u1ecb n\u00e0y c\u1ea7n nh\u1ecf h\u01a1n <strong>post_max_size<\/strong> \u0111\u1ec3 tr\u00e1nh l\u1ed7i t\u1ea3i l\u00ean.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-7.png\" alt=\"T\u0103ng gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean c\u1ee7a PHP qua cPanel\" class=\"wp-image-120162\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-7.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-7-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>T\u0103ng gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean c\u1ee7a PHP qua cPanel<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n <strong>Save<\/strong> \u0111\u1ec3 l\u01b0u thay \u0111\u1ed5i.<\/p>\n\n\n\n<h3 id=\"#3._Ch\u1ec9nh_s\u1eeda_t\u1ec7p_functions.php\"><a id=\"post-120155-_vxyugqi74chu\"><\/a>#<strong>3. Ch\u1ec9nh s\u1eeda t\u1ec7p functions.php<\/strong><\/h3>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>Truy c\u1eadp <strong>cPanel<\/strong> \u2192<strong> File Manager<\/strong>.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2:<\/strong> M\u1edf th\u01b0 m\u1ee5c <strong>public_html <\/strong>\u2192 <strong>wp-content<\/strong> \u2192 <strong>themes<\/strong>.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>T\u00ecm theme m\u00e0 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng v\u00e0 ch\u1ec9nh s\u1eeda t\u1ec7p <strong>functions.php<\/strong> trong th\u01b0 m\u1ee5c theme \u0111\u00f3.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-8.png\" alt=\"Ch\u1ec9nh s\u1eeda t\u1ec7p functions.php\" class=\"wp-image-120163\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-8.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-8-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Ch\u1ec9nh s\u1eeda t\u1ec7p functions.php<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>T\u00ecm c\u00e1c d\u00f2ng c\u00f3 <strong>upload_max_size<\/strong>, <strong>post_max_size<\/strong> v\u00e0 <strong>max_execution_time<\/strong> \u0111\u1ec3 t\u0103ng gi\u00e1 tr\u1ecb.<\/p>\n\n\n\n<p>N\u1ebfu kh\u00f4ng c\u00f3, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam \u0111o\u1ea1n m\u00e3 sau v\u00e0o cu\u1ed1i t\u1ec7p:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@ini_set( 'upload_max_size' , '256M' );\n\n@ini_set( 'post_max_size', '256M' );\n\n@ini_set( 'max_execution_time', '300' );<\/code><\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-9.png\" alt=\"Ch\u1ec9nh s\u1eeda t\u1ec7p functions.php\" class=\"wp-image-120164\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-9.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-9-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Ch\u1ec9nh s\u1eeda t\u1ec7p functions.php<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>B\u01b0\u1edbc 4: <\/strong>Nh\u1ea5n <strong>Save<\/strong> v\u00e0 ki\u1ec3m tra l\u1ea1i xem l\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c ch\u01b0a.<\/p>\n\n\n\n<p>L\u01b0u \u00fd: max_execution_time kh\u00f4ng kh\u1eafc ph\u1ee5c tr\u1ef1c ti\u1ebfp l\u1ed7i 413 nh\u01b0ng c\u00f3 th\u1ec3 gi\u00fap qu\u00e1 tr\u00ecnh t\u1ea3i t\u1ec7p l\u1edbn ho\u00e0n t\u1ea5t m\u00e0 kh\u00f4ng b\u1ecb l\u1ed7i timeout.<\/p>\n\n\n\n<h3 id=\"#4._Ch\u1ec9nh_s\u1eeda_t\u1ec7p_.htaccess\"><a id=\"post-120155-_bmvhf0vkocem\"><\/a><strong>#4. Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess<\/strong><\/h3>\n\n\n\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Truy c\u1eadp th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a WordPress (public_html) th\u00f4ng qua File Manager ho\u1eb7c FTP client.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2: <\/strong>T\u00ecm v\u00e0 m\u1edf t\u1ec7p .htaccess \u0111\u1ec3 ch\u1ec9nh s\u1eeda.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-11.png\" alt=\"Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess\" class=\"wp-image-120166\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-11.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-11-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>N\u1ebfu kh\u00f4ng t\u00ecm th\u1ea5y, b\u1ea1n v\u00e0o <strong>Settings<\/strong> -&gt; <strong>Show Hidden Files (dotfiles)<\/strong> \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c t\u1ec7p b\u1ecb \u1ea9n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-10.png\" alt=\"Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess\" class=\"wp-image-120165\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-10.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-10-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Th\u00eam \u0111o\u1ea1n m\u00e3 sau v\u00e0o d\u01b0\u1edbi d\u00f2ng # END WordPress:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>php_value upload_max_filesize 256M\n\nphp_value post_max_size 256M\n\nphp_value max_execution_time 600\n\nphp_value max_input_time 600<\/code><\/pre>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"700\" height=\"400\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-12.png\" alt=\"Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess\" class=\"wp-image-120167\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-12.png 700w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2025\/10\/sua-loi-413-Request-Entity-too-large-12-300x171.png 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><strong>Ch\u1ec9nh s\u1eeda t\u1ec7p .htaccess<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>Nh\u1ea5n<strong> Save<\/strong> v\u00e0 ki\u1ec3m tra l\u1ea1i xem l\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c ch\u01b0a.<\/p>\n\n\n\n<p>L\u01b0u \u00fd: <strong>max_input_time<\/strong> gi\u00fap \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh t\u1ea3i t\u1ec7p ho\u1eb7c x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n\n\n\n<h3 id=\"#5._Ch\u1ec9nh_s\u1eeda_c\u1ea5u_h\u00ecnh_NGINX\"><a id=\"post-120155-_xeoxa1cla6su\"><\/a><strong>#5. Ch\u1ec9nh s\u1eeda c\u1ea5u h\u00ecnh NGINX<\/strong><\/h3>\n\n\n\n<p>N\u1ebfu website ch\u1ea1y tr\u00ean VPS s\u1eed d\u1ee5ng NGINX, b\u1ea1n c\u1ea7n ch\u1ec9nh s\u1eeda <strong>nginx.conf <\/strong>\u0111\u1ec3 t\u0103ng gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean.<\/p>\n\n\n\n<p>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>Truy c\u1eadp SSH b\u1eb1ng Terminal ho\u1eb7c PuTTY. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u00f4ng tin \u0111\u0103ng nh\u1eadp SSH trong cPanel.<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Nh\u1eadp l\u1ec7nh sau \u0111\u1ec3 m\u1edf t\u1ec7p c\u1ea5u h\u00ecnh:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vi \/etc\/nginx\/nginx.conf<\/code><\/pre>\n\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>T\u00ecm v\u00e0 ch\u1ec9nh s\u1eeda d\u00f2ng <strong>client_max_body_size<\/strong>, \u0111\u1eb7t gi\u00e1 tr\u1ecb ph\u00f9 h\u1ee3p, v\u00ed d\u1ee5:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>client_max_body_size 8M;<\/code><\/pre>\n\n\n\n<p><strong>B\u01b0\u1edbc 4: <\/strong>L\u01b0u v\u00e0 \u0111\u00f3ng t\u1ec7p b\u1eb1ng l\u1ec7nh:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>:wq<\/code><\/pre>\n\n\n\n<p><strong>B\u01b0\u1edbc 5: <\/strong>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i NGINX \u0111\u1ec3 \u00e1p d\u1ee5ng thay \u0111\u1ed5i.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nginx -s reload<\/code><\/pre>\n\n\n\n<p><strong>L\u01b0u \u00fd:<\/strong> N\u1ebfu s\u1eed d\u1ee5ng Apache, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda tham s\u1ed1 LimitRequestBody trong t\u1ec7p httpd.conf b\u1eb1ng c\u00e1c b\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n<h3 id=\"K\u1ebft_lu\u1eadn\"><a id=\"post-120155-_ktw2b8h4ousk\"><\/a><strong>K\u1ebft lu\u1eadn<\/strong><\/h3>\n\n\n\n<p>L\u1ed7i &#8220;413 Request Entity Too Large&#8221; c\u00f3 th\u1ec3 g\u00e2y gi\u00e1n \u0111o\u1ea1n khi t\u1ea3i t\u1ec7p l\u00ean website, nh\u01b0ng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng kh\u1eafc ph\u1ee5c m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t trang web. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n s\u1eeda l\u1ed7i nhanh ch\u00f3ng v\u00e0 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh cho website c\u1ee7a m\u00ecnh!<\/p>\n\n\n\n<h2 id=\"Nh\u1eefng_c\u00e2u_h\u1ecfi_th\u01b0\u1eddng_g\u1eb7p\"><a id=\"post-120155-_r6w3woipyw\"><\/a>Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"T\u00f4i_c\u00f3_th\u1ec3_s\u1eeda_l\u1ed7i_n\u00e0y_b\u1eb1ng_c\u00e1ch_ch\u1ec9nh_s\u1eeda_t\u1ec7p_wp-config.php_kh\u00f4ng?\">T\u00f4i c\u00f3 th\u1ec3 s\u1eeda l\u1ed7i n\u00e0y b\u1eb1ng c\u00e1ch ch\u1ec9nh s\u1eeda t\u1ec7p wp-config.php kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p>T\u1ec7p wp-config.php ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e0i \u0111\u1eb7t c\u01a1 b\u1ea3n c\u1ee7a WordPress, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u1edbi h\u1ea1n t\u1ea3i l\u00ean t\u1ec7p. 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B\u00e0i vi\u1ebft [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":120169,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7382],"tags":[7400],"class_list":["post-120155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sua-loi-wordpress","tag-sua-loi-wordpress"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/120155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=120155"}],"version-history":[{"count":5,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/120155\/revisions"}],"predecessor-version":[{"id":122154,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/120155\/revisions\/122154"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/120169"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=120155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/categories?post=120155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=120155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}