{"id":15656,"date":"2022-01-02T19:53:00","date_gmt":"2022-01-02T12:53:00","guid":{"rendered":"https:\/\/blog.tinohost.com\/?p=607"},"modified":"2024-01-31T14:02:07","modified_gmt":"2024-01-31T07:02:07","slug":"nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress\/","title":{"rendered":"Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i website WordPress ch\u1ea1y ch\u1eadm b\u1ea5t th\u01b0\u1eddng"},"content":{"rendered":"\n

C\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n khi\u1ebfn website<\/strong> WordPress<\/strong><\/a> ch\u1ea1y ch\u1eadm: c\u00f3 th\u1ec3 do host, c\u00f3 th\u1ec3 do virus<\/a> v\u00e0 nh\u1eefng l\u00fd do kh\u00e1ch quan, ch\u1ee7 quan kh\u00e1c. Trong b\u00e0i vi\u1ebft n\u00e0y, Tino Group s\u1ebd n\u00f3i v\u1ec1 nh\u1eefng nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i website WordPress ch\u1ea1y ch\u1eadm b\u1ea5t th\u01b0\u1eddng ph\u1ed5 bi\u1ebfn nh\u1ea5t nh\u00e9!<\/strong><\/p>\n\n\n\n

Nguy\u00ean nh\u00e2n kh\u00e1ch quan<\/strong><\/h2>\n\n\n\n

Hosting – nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0m website ch\u1ea1y ch\u1eadm<\/strong><\/h3>\n\n\n\n

Nguy\u00ean nh\u00e2n<\/strong><\/h4>\n\n\n\n

Hosting<\/a> c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m, c\u1ea5u h\u00ecnh th\u1ea5p, kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u t\u1ed1t (nh\u00e0 cung c\u1ea5p hosting thi\u1ebfu kinh nghi\u1ec7m), th\u1eddi gian downtime nhi\u1ec1u, qu\u00e1 t\u1ea3i (do c\u00f3 qu\u00e1 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng tr\u00ean 1 server<\/a>)\u2026 l\u00e0 nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh c\u00f3 th\u1ec3 khi\u1ebfn hosting c\u1ee7a b\u1ea1n b\u1ecb ch\u1eadm.<\/p>\n\n\n\n

\u0110\u1ed3ng th\u1eddi, m\u1ed9t nguy\u00ean nh\u00e2n kh\u00e1c l\u00e0 hosting s\u1eafp h\u1ebft dung l\u01b0\u1ee3ng. Theo th\u1ed1ng k\u00ea, \u0111\u1ec3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t m\u1ed1t web, trung b\u00ecnh hosting c\u1ea7n ph\u1ea3i r\u1ed9ng h\u01a1n 10% . Trong qu\u00e1 tr\u00ecnh ch\u1ea1y web, c\u00f3 th\u1ec3 website ho\u1eb7c hosting \u0111\u00e3 d\u00f9ng m\u1ed9t ph\u1ea7n d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n \u0111\u1ec3 l\u00e0m b\u1ed9 nh\u1edb \u0111\u1ec7m. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c dung l\u01b0\u1ee3ng hosting ch\u01b0a h\u1ebft nh\u1eefng website ch\u1ea1y ch\u1eadm r\u00f5 r\u1ec7t!<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p<\/strong><\/h4>\n\n\n\n

C\u00e1ch t\u1ed1t nh\u1ea5t l\u00e0 n\u00e2ng g\u00f3i host\/mua th\u00eam dung l\u01b0\u1ee3ng ho\u1eb7c chuy\u1ec3n host ra ch\u1ed7 r\u1ed9ng h\u01a1n, c\u00e0ng r\u1ed9ng c\u00e0ng t\u1ed1t ! <\/p>\n\n\n\n

Ngo\u00e0i ra, b\u1ea1n n\u00ean t\u00ecm hi\u1ec3u k\u1ef9 tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p hosting<\/a> cho website c\u1ee7a m\u00ecnh.<\/p>\n\n\n

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\"nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress\"<\/figure>\n<\/div>\n\n\n

Do m\u1ea1ng (network) v\u00e0 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd<\/strong><\/h3>\n\n\n\n

Nguy\u00ean nh\u00e2n<\/strong><\/h4>\n\n\n\n

T\u1ed1c \u0111\u1ed9 truy c\u1eadp b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi kho\u1ea3ng c\u00e1ch gi\u1eefa server host v\u00e0 ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n

V\u00ed d\u1ee5: host \u0111\u1eb7t \u1edf M\u1ef9, trong khi ph\u1ea7n l\u1edbn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn t\u1eeb Vi\u1ec7t Nam, t\u1ed1c \u0111\u1ed9 load ch\u1eadm l\u00e0 \u0111i\u1ec1u d\u1ec5 hi\u1ec3u, th\u1eadm ch\u00ed kh\u00f4ng tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng d\u1ecbp \u201c\u0111\u1ee9t c\u00e1p quang qu\u1ed1c t\u1ebf\u201d. <\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p<\/strong><\/h4>\n\n\n\n

V\u00ec v\u1eady, khi ch\u1ecdn mua m\u00e1y ch\u1ee7, b\u1ea1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ngu\u1ed3n truy c\u1eadp blog\/ website c\u1ee7a m\u00ecnh ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb \u0111\u00e2u, \u0111\u1ec3 l\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed \u0111\u1eb7t server cho ph\u00f9 h\u1ee3p, c\u00e0ng g\u1ea7n ngu\u1ed3n truy c\u1eadp th\u00ec c\u00e0ng t\u1ed1t.<\/p>\n\n\n\n

Do h\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i DNS t\u00ean mi\u1ec1n<\/strong><\/h3>\n\n\n\n

Nguy\u00ean nh\u00e2n: <\/strong>H\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i DNS<\/a> t\u00ean mi\u1ec1n \u1ea3nh h\u01b0\u1edfng kha kh\u00e1 t\u1edbi t\u1ed5ng th\u1eddi gian load web.<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p:<\/strong> Ch\u1ecdn c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i DNS <\/a>t\u00ean mi\u1ec1n c\u00f3 t\u1ed1c \u0111\u1ed9 c\u00e0ng nhanh c\u00e0ng t\u1ed1t l\u00e0 \u0111i\u1ec1u b\u1ea1n n\u00ean l\u00e0m ban \u0111\u1ea7u. CloudFlare <\/a>l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng mi\u1ec5n ph\u00ed, ch\u1ea5t l\u01b0\u1ee3ng r\u1ea5t t\u1ed1t nh\u1ea5t hi\u1ec7n nay. <\/p>\n\n\n\n

Nguy\u00ean nh\u00e2n ch\u1ee7 quan<\/strong><\/h2>\n\n\n\n

C\u00e0i \u0111\u1eb7t qu\u00e1 nhi\u1ec1u Plugins<\/strong><\/h3>\n\n\n\n

M\u00f4 t\u1ea3<\/strong><\/h4>\n\n\n\n

Qu\u00e1 nhi\u1ec1u Plugin<\/a> h\u1ea5p d\u1eabn, gi\u00e0u t\u00ednh n\u0103ng khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng b\u1ecb thuy\u1ebft ph\u1ee5c “ngay t\u1eeb c\u00e1i nh\u00ecn \u0111\u1ea7u ti\u00ean” d\u1eabn \u0111\u1ebfn vi\u1ec7c sa \u0111\u00e0 v\u00e0o vi\u1ec7c “th\u1ea5y l\u00e0 c\u00e0i ngay” d\u00f9 th\u1eadt s\u1ef1 l\u01b0\u1ee3ng Plugin m\u1ed7i ng\u00e0y d\u00f9ng \u0111\u1ebfn ch\u1ec9 chi\u1ebfm m\u1ed9t n\u1eeda s\u1ed1 Plugin \u0111\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m database tr\u1edf n\u00ean c\u1ed3ng k\u1ec1nh, CPU c\u1ee7a host ph\u1ea3i x\u1eed l\u00fd nhi\u1ec1u truy v\u1ea5n h\u01a1n, page-size c\u1ee7a web l\u1edbn h\u01a1n\u2026 d\u1eabn \u0111\u1ebfn web load ch\u1eadm h\u01a1n.<\/p>\n\n\n

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\"nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress\"<\/figure>\n<\/div>\n\n\n

Gi\u1ea3i ph\u00e1p<\/strong><\/h4>\n\n\n\n

B\u1ea1n h\u00e3y c\u00e0i \u0111\u1eb7t Plugin m\u1ed9t c\u00e1ch c\u00f3 ch\u1ecdn l\u1ecdc, ch\u1ec9 n\u00ean c\u00e0i Plugin n\u00e0o c\u1ea7n thi\u1ebft v\u00e0 s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n

L\u01b0u gi\u1eef qu\u00e1 nhi\u1ec1u phi\u00ean b\u1ea3n c\u1ee7a b\u00e0i vi\u1ebft<\/strong><\/h3>\n\n\n\n

M\u00f4 t\u1ea3: <\/strong>V\u1edbi t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng \u0111\u1eb7c tr\u01b0ng, khi b\u1ea1n ch\u1ec9nh s\u1eeda m\u1ed9t b\u00e0i vi\u1ebft, WordPress s\u1ebd t\u1ef1 \u0111\u1ed9ng l\u01b0u phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t. C\u00f3 nh\u1eefng post b\u1ea1n s\u1eeda \u0111i s\u1eeda l\u1ea1i c\u1ea3 tr\u0103m l\u1ea7n, v\u00ed d\u1ee5 nh\u01b0 trang ch\u1ee7 ch\u1eb3ng h\u1ea1n, k\u1ef3 c\u00f4ng thi\u1ebft k\u1ebf nh\u01b0 v\u1eady cho l\u01b0\u1ee3ng database t\u0103ng l\u00ean, d\u1eef li\u1ec7u b\u1eaft \u0111\u1ea7u l\u1edbn d\u1ea7n.<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p:<\/strong> H\u00e3y m\u1edf file wp-config.php<\/em> v\u00e0 th\u00eam v\u00e0o define(\u2018WP_POST_REVISIONS\u2019, 3 );<\/strong> \u0111\u1ec3 gi\u1edbi h\u1ea1n s\u1ed1 phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c l\u01b0u.<\/p>\n\n\n\n

B\u1ecb t\u1ea5n c\u00f4ng DDOS<\/strong><\/h3>\n\n\n\n

M\u00f4 t\u1ea3: <\/strong>T\u1ea5n c\u00f4ng DDOS <\/a>l\u00e0 m\u1ed9t h\u00e0nh \u0111\u1ed9ng c\u00f3 ch\u1ee7 \u0111\u00edch, \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ea5n c\u00f4ng b\u1ea1n th\u01b0\u1eddng l\u00e0 c\u00e1c hacker ho\u1eb7c c\u00e1c \u0111\u1ed1i th\u1ee7 c\u1ee7a b\u1ea1n. Vi\u1ec7c t\u0103ng l\u01b0\u1ee3t truy c\u1eadp m\u1ed9t c\u00e1ch \u0111\u1ed9t ng\u1ed9t v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn s\u1ebd l\u00e0m cho web c\u1ee7a b\u1ea1n ch\u1eadm h\u1eb3n \u0111i v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ch\u1ebft web m\u1ed9t th\u1eddi gian ng\u1eafn.<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p:<\/strong> DDOS v\u01b0\u1ee3t ngo\u00e0i t\u1ea7m x\u1eed l\u00fd c\u1ee7a b\u1ea1n. Li\u00ean h\u1ec7 ngay v\u1edbi nh\u00e0 cung c\u1ea5p hosting l\u00e0 \u0111i\u1ec1u b\u1ea1n c\u1ea7n l\u00e0m \u0111\u1ea7u ti\u00ean. V\u1edbi chuy\u00ean m\u00f4n c\u1ee7a m\u00ecnh, h\u1ecd s\u1ebd gi\u00fap b\u1ea1n thi\u1ebft \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda v\u00e0 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n DDOS \u0111\u1ec3 ph\u00f2ng tr\u00e1nh trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng Database “tr\u01b0\u01a1ng ph\u00ecnh”<\/strong><\/h3>\n\n\n\n

M\u00f4 t\u1ea3: <\/strong>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c b\u1ea1n \u0111\u1ed5 r\u00e1c m\u1ed7i ng\u00e0y, chu k\u1ef3 \u0111\u1ec3 WordPress m\u1eb7c \u0111\u1ecbnh t\u1ef1 \u0111\u1ed9ng x\u00f3a Trash l\u00e0 30 ng\u00e0y. Tuy nhi\u00ean, c\u00f3 th\u1ec3 ch\u01b0a \u0111\u1ebfn “h\u1ea1n k\u1ef3” 30 ng\u00e0y m\u00e0 “r\u00e1c” \u0111\u00e3 \u0111\u1ea7y do database nhi\u1ec1u, n\u1edf ra d\u1eabn \u0111\u1ebfn WordPress load ch\u1eadm. Do \u0111\u00f3, \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p “\u0111\u1ea7y r\u00e1c” d\u1eabn \u0111\u1ebfn “tr\u00e0n r\u00e1c”, b\u1ea1n c\u1ea7n gi\u1edbi h\u1ea1n s\u1ed1 ng\u00e0y “\u0111\u1ed5 r\u00e1c” cho WordPress. <\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p: <\/strong>H\u00e3y th\u00eam l\u1ec7nh define(‘EMPTY_TRASH_DAYS’, 7 ); <\/strong>v\u00e0o file config.php<\/em> (c\u00e2u l\u1ec7nh n\u00e0y ngh\u0129a l\u00e0 c\u1ee9 7<\/strong> ng\u00e0y, WordPress s\u1ebd \u2018\u0111\u1ed5 r\u00e1c\u2019 gi\u00f9m b\u1ea1n 1 l\u1ea7n)<\/p>\n\n\n

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\"nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress\"<\/figure>\n<\/div>\n\n\n

K\u00edch th\u01b0\u1edbc h\u00ecnh \u1ea3nh qu\u00e1 l\u1edbn<\/strong><\/h3>\n\n\n\n

M\u00f4 t\u1ea3: <\/strong>b\u1ea1n c\u00f3 bi\u1ebft, k\u00edch th\u01b0\u1edbc qu\u00e1 l\u1edbn c\u1ee7a nh\u1eefng file \u1ea3nh b\u1ea1n t\u1ea3i l\u00ean l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n khi\u1ebfn t\u1ed1c \u0111\u1ed9 web tr\u1edf n\u00ean ch\u1eadm ch\u1ea1p. <\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p:<\/strong> B\u1ea1n h\u00e3y th\u1eed \u00e1p d\u1ee5ng lazy loading<\/a><\/strong>. Khi b\u1ea1n cu\u1ed9n t\u1edbi v\u1ecb tr\u00ed c\u1ee7a n\u00e0o, trang web s\u1ebd ch\u1ec9 t\u1ea3i h\u00ecnh \u1ea3nh \u0111\u00f3. <\/p>\n\n\n

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\"nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress\"<\/figure>\n<\/div>\n\n\n

S\u1eed d\u1ee5ng c\u00e1c theme ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u<\/strong><\/h3>\n\n\n\n

Cu\u1ed1i c\u00f9ng, sau khi kh\u1eafc ph\u1ee5c h\u1ebft nh\u1eefng l\u1ed7i tr\u00ean nh\u01b0ng website v\u1eabn ch\u1eadm, ch\u1ec9 c\u00f2n nguy\u00ean nh\u00e2n: Theme k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng<\/strong>. \u0110\u1ec3 x\u1eed l\u00fd m\u1ed9t th\u00eam ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u, WordPress ph\u1ea3i t\u1ed1n nhi\u1ec1u th\u1eddi gian. Ngo\u00e0i ra, n\u1ebfu b\u1ea1n d\u00f9ng theme kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c, b\u1ea1n s\u1ebd \u0111\u1ed1i \u0111\u1ea7u v\u1edbi nguy c\u01a1 b\u1ecb c\u00e0i m\u00e3 \u0111\u1ed9c c\u00f3 th\u1ec3 b\u1ecb l\u1ee3i d\u1ee5ng \u0111\u1ec3 t\u1ea5n c\u00f4ng b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n\n\n

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\"nguyen-nhan-va-cach-khac-phuc-loi-website-wordpress\"<\/figure>\n<\/div>\n\n\n

Danh s\u00e1ch b\u00e0i vi\u1ebft h\u1ed7 tr\u1ee3 s\u1eeda c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p trong WordPress<\/strong><\/h3>\n\n\n\n

\u0110\u1ec3 t\u00ecm nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn trong WordPress, b\u1ea1n c\u00f3 th\u1ec3 xem danh s\u00e1ch b\u00e0i vi\u1ebft h\u1ed7 tr\u1ee3 WordPress tr\u00ean Wiki.tino.org<\/a>. Sau \u0111\u00e2y, Tino Group s\u1ebd li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 l\u1ed7i nhi\u1ec1u ng\u01b0\u1eddi g\u1eb7p ph\u1ea3i c\u00f9ng c\u00e1ch s\u1eeda l\u1ed7i nh\u00e9!<\/p>\n\n\n\n