{"id":18290,"date":"2021-02-08T13:11:07","date_gmt":"2021-02-08T13:11:07","guid":{"rendered":"https:\/\/homihost.com\/?p=133"},"modified":"2022-02-10T08:41:27","modified_gmt":"2022-02-10T01:41:27","slug":"bao-mat-wordpress-p2","status":"publish","type":"post","link":"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/","title":{"rendered":"B\u1ea3o m\u1eadt WordPress: h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n, t\u1eebng b\u01b0\u1edbc (ph\u1ea7n 2)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6577d70bdb21e\" ><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d70bdb21e\"  type=\"checkbox\" id=\"item-6577d70bdb21e\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Plugin_bao_mat_WordPress_tot_nhat\" title=\"Plugin b\u1ea3o m\u1eadt WordPress t\u1ed1t nh\u1ea5t\">Plugin b\u1ea3o m\u1eadt WordPress t\u1ed1t nh\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Bat_tuong_lua_ung_dung_web_WAF\" title=\"B\u1eadt t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF)\">B\u1eadt t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Chuyen_trang_WordPress_cua_ban_sang_SSL_HTTPS\" title=\"Chuy\u1ec3n trang WordPress c\u1ee7a b\u1ea1n sang SSL \/ HTTPS\">Chuy\u1ec3n trang WordPress c\u1ee7a b\u1ea1n sang SSL \/ HTTPS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Bao_mat_WordPress_cho_nguoi_dung_DIY\" title=\"B\u1ea3o m\u1eadt WordPress cho ng\u01b0\u1eddi d\u00f9ng DIY\">B\u1ea3o m\u1eadt WordPress cho ng\u01b0\u1eddi d\u00f9ng DIY<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Thay_doi_ten_nguoi_dung_%E2%80%9Cquan_tri_vien%E2%80%9D_mac_dinh\" title=\"Thay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng &#8220;qu\u1ea3n tr\u1ecb vi\u00ean&#8221; m\u1eb7c \u0111\u1ecbnh\">Thay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng &#8220;qu\u1ea3n tr\u1ecb vi\u00ean&#8221; m\u1eb7c \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Vo_hieu_hoa_chinh_sua_tep\" title=\"V\u00f4 hi\u1ec7u h\u00f3a ch\u1ec9nh s\u1eeda t\u1ec7p\">V\u00f4 hi\u1ec7u h\u00f3a ch\u1ec9nh s\u1eeda t\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Tat_thuc_thi_tep_PHP_trong_mot_so_thu_muc_WordPress_nhat_dinh\" title=\"T\u1eaft th\u1ef1c thi t\u1ec7p PHP trong m\u1ed9t s\u1ed1 th\u01b0 m\u1ee5c WordPress nh\u1ea5t \u0111\u1ecbnh\">T\u1eaft th\u1ef1c thi t\u1ec7p PHP trong m\u1ed9t s\u1ed1 th\u01b0 m\u1ee5c WordPress nh\u1ea5t \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p2\/#Han_che_so_luot_dang_nhap\" title=\"H\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3t \u0111\u0103ng nh\u1eadp\">H\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3t \u0111\u0103ng nh\u1eadp<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"bestsecurityplugin\"><span class=\"ez-toc-section\" id=\"Plugin_bao_mat_WordPress_tot_nhat\"><\/span>Plugin b\u1ea3o m\u1eadt WordPress t\u1ed1t nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Sau khi backup, \u0111i\u1ec1u ti\u1ebfp theo ch\u00fang ta c\u1ea7n l\u00e0m l\u00e0 thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m tra &amp; gi\u00e1m s\u00e1t \u0111\u1ec3 theo d\u00f5i m\u1ecdi th\u1ee9 di\u1ec5n ra tr\u00ean trang web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y bao g\u1ed3m gi\u00e1m s\u00e1t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u1ec7p, n\u1ed7 l\u1ef1c \u0111\u0103ng nh\u1eadp kh\u00f4ng th\u00e0nh c\u00f4ng, qu\u00e9t ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, v.v.<\/p>\n\n\n\n<p>R\u1ea5t may, t\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1edfi plugin b\u1ea3o m\u1eadt WordPress mi\u1ec5n ph\u00ed r\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng:&nbsp;<a href=\"https:\/\/sucuri.net\/wordpress-security-plugin\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sucuri Scanner<\/a>.<\/p>\n\n\n\n<p>Sau khi k\u00edch ho\u1ea1t, b\u1ea1n c\u1ea7n truy c\u1eadp menu Sucuri trong ph\u1ea7n qu\u1ea3n tr\u1ecb WordPress c\u1ee7a m\u00ecnh.&nbsp;\u0110i\u1ec1u \u0111\u1ea7u ti\u00ean b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u l\u00e0m l\u00e0 t\u1ea1o kh\u00f3a API mi\u1ec5n ph\u00ed.&nbsp;\u0110i\u1ec1u n\u00e0y cho ph\u00e9p ghi nh\u1eadt k\u00fd ki\u1ec3m tra, ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n, c\u1ea3nh b\u00e1o qua email v\u00e0 c\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng kh\u00e1c.<\/p>\n\n\n\n<p>\u0110i\u1ec1u ti\u1ebfp theo b\u1ea1n c\u1ea7n l\u00e0m l\u00e0 nh\u1ea5p v\u00e0o tab &#8216;Hardening&#8217; t\u1eeb menu c\u00e0i \u0111\u1eb7t.&nbsp;Xem qua m\u1ecdi t\u00f9y ch\u1ecdn v\u00e0 nh\u1ea5p v\u00e0o n\u00fat &#8220;Apply Hardening&#8221;.<\/p>\n\n\n\n<p>C\u00e1c t\u00f9y ch\u1ecdn n\u00e0y gi\u00fap b\u1ea1n kh\u00f3a c\u00e1c khu v\u1ef1c ch\u00ednh m\u00e0 tin t\u1eb7c th\u01b0\u1eddng s\u1eed d\u1ee5ng trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u1ee7a h\u1ecd.&nbsp;T\u00f9y ch\u1ecdn t\u0103ng c\u01b0\u1eddng duy nh\u1ea5t c\u1ee7a b\u1ea3n n\u00e2ng c\u1ea5p tr\u1ea3 ph\u00ed l\u00e0 t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF \/ Web Application Firewall) m\u00e0 ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch trong b\u01b0\u1edbc ti\u1ebfp theo, v\u00ec v\u1eady ch\u00fang ta t\u1ea1m th\u1eddi b\u1ecf qua n\u00f3 t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y.<\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i c\u0169ng \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn r\u1ea5t nhi\u1ec1u t\u00f9y ch\u1ecdn \u201cHardning\u201d sau trong b\u00e0i vi\u1ebft n\u00e0y cho nh\u1eefng ai mu\u1ed1n th\u1ef1c hi\u1ec7n m\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng plugin ho\u1eb7c nh\u1eefng t\u00f9y ch\u1ecdn y\u00eau c\u1ea7u c\u00e1c b\u01b0\u1edbc b\u1ed5 sung nh\u01b0 \u201cThay \u0111\u1ed5i ti\u1ec1n t\u1ed1 c\u01a1 s\u1edf d\u1eef li\u1ec7u\u201d ho\u1eb7c \u201cThay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng qu\u1ea3n tr\u1ecb\u201d.<\/p>\n\n\n\n<p>Sau hardening, c\u00e0i \u0111\u1eb7t plugin m\u1eb7c \u0111\u1ecbnh \u0111\u00e3 \u0111\u1ee7 t\u1ed1t cho h\u1ea7u h\u1ebft c\u00e1c website v\u00e0 kh\u00f4ng c\u1ea7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o.&nbsp;\u0110i\u1ec1u duy nh\u1ea5t ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean t\u00f9y ch\u1ec9nh l\u00e0 &#8216;C\u1ea3nh b\u00e1o qua Email&#8217;.<\/p>\n\n\n\n<p>C\u00e0i \u0111\u1eb7t c\u1ea3nh b\u00e1o m\u1eb7c \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0m l\u1ed9n x\u1ed9n h\u1ed9p th\u01b0 \u0111\u1ebfn c\u1ee7a b\u1ea1n v\u1edbi qu\u00e1 nhi\u1ec1u email.&nbsp;Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean nh\u1eadn c\u1ea3nh b\u00e1o cho c\u00e1c h\u00e0nh \u0111\u1ed9ng quan tr\u1ecdng nh\u01b0 thay \u0111\u1ed5i plugin, \u0111\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng m\u1edbi, v.v. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh c\u1ea3nh b\u00e1o b\u1eb1ng c\u00e1ch \u0111i t\u1edbi&nbsp;Sucuri Settings&nbsp;\u00bb Alerts.<\/p>\n\n\n\n<p>Plugin b\u1ea3o m\u1eadt WordPress n\u00e0y r\u1ea5t m\u1ea1nh m\u1ebd, v\u00ec v\u1eady h\u00e3y duy\u1ec7t qua t\u1ea5t c\u1ea3 c\u00e1c tab v\u00e0 c\u00e0i \u0111\u1eb7t \u0111\u1ec3 xem t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec n\u00f3 l\u00e0m nh\u01b0 qu\u00e9t ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, nh\u1eadt k\u00fd ki\u1ec3m tra, theo d\u00f5i \u0111\u0103ng nh\u1eadp kh\u00f4ng th\u00e0nh c\u00f4ng, v.v.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"enablesucuri\"><span class=\"ez-toc-section\" id=\"Bat_tuong_lua_ung_dung_web_WAF\"><\/span>B\u1eadt t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1ch d\u1ec5 nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 trang web c\u1ee7a b\u1ea1n v\u00e0 t\u1ef1 tin v\u1ec1 b\u1ea3o m\u1eadt WordPress l\u00e0 s\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web (WAF).<\/p>\n\n\n\n<p>T\u01b0\u1eddng l\u1eeda c\u1ee7a trang web ch\u1eb7n t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i tr\u01b0\u1edbc khi n\u00f3 \u0111\u1ebfn \u0111\u01b0\u1ee3c trang web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p><strong>T\u01b0\u1eddng l\u1eeda trang web C\u1ea5p DNS<\/strong>&nbsp;&#8211; Nh\u1eefng t\u01b0\u1eddng l\u1eeda n\u00e0y \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp trang web c\u1ee7a b\u1ea1n th\u00f4ng qua c\u00e1c m\u00e1y ch\u1ee7 proxy \u0111\u00e1m m\u00e2y c\u1ee7a ch\u00fang.&nbsp;\u0110i\u1ec1u n\u00e0y cho ph\u00e9p h\u1ecd ch\u1ec9 g\u1eedi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp an to\u00e0n \u0111\u1ebfn m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p><strong>T\u01b0\u1eddng l\u1eeda c\u1ea5p \u1ee9ng d\u1ee5ng<\/strong>&nbsp;&#8211; C\u00e1c plugin t\u01b0\u1eddng l\u1eeda n\u00e0y ki\u1ec3m tra l\u01b0u l\u01b0\u1ee3ng khi n\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n nh\u01b0ng tr\u01b0\u1edbc khi t\u1ea3i h\u1ea7u h\u1ebft c\u00e1c t\u1eadp l\u1ec7nh WordPress.&nbsp;Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng hi\u1ec7u qu\u1ea3 nh\u01b0 t\u01b0\u1eddng l\u1eeda c\u1ea5p DNS trong vi\u1ec7c gi\u1ea3m t\u1ea3i m\u00e1y ch\u1ee7.<\/p>\n\n\n\n<p>Ch\u00fang t\u00f4i&nbsp;<strong>s\u1eed d\u1ee5ng &amp; \u0111\u1ec1 xu\u1ea5t&nbsp;<\/strong>Sucuri&nbsp;l\u00e0m t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web t\u1ed1t nh\u1ea5t cho WordPress.&nbsp;<\/p>\n\n\n\n<p>Ph\u1ea7n gi\u00e1 tr\u1ecb nh\u1ea5t trong t\u01b0\u1eddng l\u1eeda c\u1ee7a Sucuri l\u00e0 n\u00f3 c\u0169ng \u0111i k\u00e8m v\u1edbi \u0111\u1ea3m b\u1ea3o x\u00f3a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i v\u00e0 lo\u1ea1i b\u1ecf danh s\u00e1ch \u0111en.&nbsp;V\u1ec1 c\u01a1 b\u1ea3n n\u1ebfu b\u1ea1n b\u1ecb t\u1ea5n c\u00f4ng d\u01b0\u1edbi s\u1ef1 theo d\u00f5i c\u1ee7a h\u1ecd, h\u1ecd \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd s\u1ebd s\u1eeda ch\u1eefa trang web c\u1ee7a b\u1ea1n (b\u1ea5t k\u1ec3 b\u1ea1n c\u00f3 bao nhi\u00eau trang).<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ebf \u0111\u1ed9 b\u1ea3o \u0111\u1ea3m kh\u00e1 m\u1ea1nh m\u1ebd v\u00ec vi\u1ec7c s\u1eeda ch\u1eefa c\u00e1c trang web b\u1ecb t\u1ea5n c\u00f4ng r\u1ea5t t\u1ed1n k\u00e9m.&nbsp;C\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt th\u01b0\u1eddng t\u00ednh ph\u00ed 250 \u0111\u00f4 la m\u1ed7i gi\u1edd.&nbsp;Trong khi \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u1ee7a Sucuri v\u1edbi gi\u00e1 199$ m\u1ed7i n\u0103m.<\/p>\n\n\n\n<p>Sucuri kh\u00f4ng ph\u1ea3i l\u00e0 nh\u00e0 cung c\u1ea5p t\u01b0\u1eddng l\u1eeda c\u1ea5p DNS duy nh\u1ea5t hi\u1ec7n c\u00f3.&nbsp;\u0110\u1ed1i th\u1ee7 c\u1ea1nh tranh ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 Cloudflare.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sslhttps\"><span class=\"ez-toc-section\" id=\"Chuyen_trang_WordPress_cua_ban_sang_SSL_HTTPS\"><\/span>Chuy\u1ec3n trang WordPress c\u1ee7a b\u1ea1n sang SSL \/ HTTPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SSL l\u00e0 giao th\u1ee9c m\u00e3 h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa trang web c\u1ee7a b\u1ea1n v\u00e0 tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.&nbsp;M\u00e3 h\u00f3a n\u00e0y khi\u1ebfn ai \u0111\u00f3 kh\u00f3 \u0111\u00e1nh h\u01a1i th\u0103m d\u00f2 v\u00e0 l\u1ea5y c\u1eafp th\u00f4ng tin h\u01a1n.<\/p>\n\n\n\n<p>Khi b\u1ea1n b\u1eadt SSL, trang web c\u1ee7a b\u1ea1n s\u1ebd s\u1eed d\u1ee5ng HTTPS thay v\u00ec HTTP, b\u1ea1n c\u0169ng s\u1ebd th\u1ea5y d\u1ea5u hi\u1ec7u \u1ed5 kh\u00f3a b\u00ean c\u1ea1nh \u0111\u1ecba ch\u1ec9 trang web c\u1ee7a m\u00ecnh trong tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n<p>Ch\u1ee9ng ch\u1ec9 SSL th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5p b\u1edfi c\u00e1c t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh ch\u1ee9ng ch\u1ec9 v\u00e0 gi\u00e1 c\u1ee7a ch\u00fang b\u1eaft \u0111\u1ea7u t\u1eeb 80 \u0111\u00f4 la \u0111\u1ebfn h\u00e0ng tr\u0103m \u0111\u00f4 la m\u1ed7i n\u0103m.&nbsp;Do chi ph\u00ed t\u0103ng th\u00eam, h\u1ea7u h\u1ebft ch\u1ee7 s\u1edf h\u1eefu trang web ch\u1ecdn ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng giao th\u1ee9c kh\u00f4ng an to\u00e0n.<\/p>\n\n\n\n<p>\u0110\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y, m\u1ed9t t\u1ed5 ch\u1ee9c phi l\u1ee3i nhu\u1eadn c\u00f3 t\u00ean Let&#8217;s Encrypt \u0111\u00e3 quy\u1ebft \u0111\u1ecbnh cung c\u1ea5p ch\u1ee9ng ch\u1ec9 SSL mi\u1ec5n ph\u00ed cho ch\u1ee7 s\u1edf h\u1eefu trang web.&nbsp;D\u1ef1 \u00e1n c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi Google Chrome, Facebook, Mozilla v\u00e0 nhi\u1ec1u c\u00f4ng ty kh\u00e1c.<\/p>\n\n\n\n<p>Gi\u1edd \u0111\u00e2y, vi\u1ec7c b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng SSL cho t\u1ea5t c\u1ea3 c\u00e1c trang web WordPress c\u1ee7a b\u1ea1n tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n bao gi\u1edd h\u1ebft.&nbsp;Nhi\u1ec1u c\u00f4ng ty l\u01b0u tr\u1eef hi\u1ec7n \u0111ang cung c\u1ea5p&nbsp;ch\u1ee9ng ch\u1ec9 SSL mi\u1ec5n ph\u00ed cho trang web WordPress c\u1ee7a b\u1ea1n&nbsp;.<\/p>\n\n\n\n<p>N\u1ebfu c\u00f4ng ty hosting c\u1ee7a b\u1ea1n kh\u00f4ng cung c\u1ea5p SSL mi\u1ec5n ph\u00ed th\u00ec b\u1ea1n c\u00f3 th\u1ec3 mua m\u1ed9t c\u00e1i t\u1eeb&nbsp;Domain.com.&nbsp;H\u1ecd c\u00f3 giao d\u1ecbch SSL t\u1ed1t nh\u1ea5t v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t tr\u00ean th\u1ecb tr\u01b0\u1eddng.&nbsp;N\u00f3 \u0111i k\u00e8m v\u1edbi m\u1ed9t b\u1ea3o h\u00e0nh b\u1ea3o m\u1eadt tr\u1ecb gi\u00e1 10.000 \u0111\u00f4 la v\u00e0 m\u1ed9t con d\u1ea5u b\u1ea3o m\u1eadt TrustLogo.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"b\u1ea3o-m\u1eadt-wordpress-cho-ng\u01b0\u1eddi-dung-diy\"><span class=\"ez-toc-section\" id=\"Bao_mat_WordPress_cho_nguoi_dung_DIY\"><\/span>B\u1ea3o m\u1eadt WordPress cho ng\u01b0\u1eddi d\u00f9ng DIY<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 l\u00e0m m\u1ecdi th\u1ee9 m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u1ec1 b\u00ean tr\u00ean, th\u00ec website c\u1ee7a b\u1ea1n \u0111ang \u1edf trong t\u00ecnh tr\u1ea1ng kh\u00e1 t\u1ed1t r\u1ed3i.<\/p>\n\n\n\n<p>Nh\u01b0ng nh\u01b0 m\u1ecdi khi, b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m nhi\u1ec1u \u0111i\u1ec1u h\u01a1n n\u1eefa \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho WordPress c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p>M\u1ed9t s\u1ed1 b\u01b0\u1edbc n\u00e0y c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 code.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"adminusername\"><span class=\"ez-toc-section\" id=\"Thay_doi_ten_nguoi_dung_%E2%80%9Cquan_tri_vien%E2%80%9D_mac_dinh\"><\/span>Thay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng &#8220;qu\u1ea3n tr\u1ecb vi\u00ean&#8221; m\u1eb7c \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ng\u00e0y x\u01b0a, t\u00ean ng\u01b0\u1eddi d\u00f9ng qu\u1ea3n tr\u1ecb WordPress m\u1eb7c \u0111\u1ecbnh l\u00e0 \u201cadmin\u201d.&nbsp;V\u00ec t\u00ean ng\u01b0\u1eddi d\u00f9ng chi\u1ebfm m\u1ed9t n\u1eeda th\u00f4ng tin x\u00e1c th\u1ef1c \u0111\u0103ng nh\u1eadp, \u0111i\u1ec1u n\u00e0y khi\u1ebfn tin t\u1eb7c d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e9t c\u1ea1n (brute-force attacks) h\u01a1n.<\/p>\n\n\n\n<p>R\u1ea5t may, WordPress \u0111\u00e3 thay \u0111\u1ed5i \u0111i\u1ec1u n\u00e0y v\u00e0 b\u00e2y gi\u1edd y\u00eau c\u1ea7u b\u1ea1n ch\u1ecdn t\u00ean ng\u01b0\u1eddi d\u00f9ng t\u00f9y ch\u1ec9nh t\u1ea1i th\u1eddi \u0111i\u1ec3m&nbsp;c\u00e0i \u0111\u1eb7t WordPress&nbsp;.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, m\u1ed9t s\u1ed1 tr\u00ecnh c\u00e0i \u0111\u1eb7t WordPress nhanh g\u1ecdn v\u1eabn \u0111\u1eb7t t\u00ean ng\u01b0\u1eddi d\u00f9ng qu\u1ea3n tr\u1ecb vi\u00ean m\u1eb7c \u0111\u1ecbnh th\u00e0nh \u201cadmin\u201d.&nbsp;B\u1ea1n n\u00ean ch\u1ee7 \u0111\u1ed9ng thay \u0111\u1ed5i \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n<p>V\u00ec WordPress kh\u00f4ng cho ph\u00e9p b\u1ea1n thay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng theo m\u1eb7c \u0111\u1ecbnh, n\u00ean c\u00f3 ba ph\u01b0\u01a1ng ph\u00e1p b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 thay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<ol><li>T\u1ea1o t\u00ean ng\u01b0\u1eddi d\u00f9ng qu\u1ea3n tr\u1ecb m\u1edbi v\u00e0 x\u00f3a t\u00ean ng\u01b0\u1eddi d\u00f9ng c\u0169 \u0111i;<\/li><li>S\u1eed d\u1ee5ng plugin thay \u0111\u1ed5i t\u00ean ng\u01b0\u1eddi d\u00f9ng (Username Changer);<\/li><li>C\u1eadp nh\u1eadt t\u00ean ng\u01b0\u1eddi d\u00f9ng t\u1eeb phpMyAdmin.<\/li><\/ol>\n\n\n\n<p><strong>L\u01b0u \u00fd:<\/strong>&nbsp;Ch\u00fang t\u00f4i \u0111ang n\u00f3i v\u1ec1 t\u00ean ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;admin&#8221;, kh\u00f4ng ph\u1ea3i n\u00f3i \u0111\u1ebfn vai tr\u00f2 qu\u1ea3n tr\u1ecb vi\u00ean (administrator role).<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"disablefileedits\"><span class=\"ez-toc-section\" id=\"Vo_hieu_hoa_chinh_sua_tep\"><\/span>V\u00f4 hi\u1ec7u h\u00f3a ch\u1ec9nh s\u1eeda t\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>WordPress \u0111i k\u00e8m v\u1edbi m\u1ed9t tr\u00ecnh ch\u1ec9nh s\u1eeda m\u00e3 t\u00edch h\u1ee3p cho ph\u00e9p b\u1ea1n ch\u1ec9nh s\u1eeda c\u00e1c theme v\u00e0 plugin c\u1ee7a m\u00ecnh ngay t\u1eeb khu v\u1ef1c qu\u1ea3n tr\u1ecb WordPress c\u1ee7a b\u1ea1n.&nbsp;N\u1ebfu d\u00f9ng sai, t\u00ednh n\u0103ng n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t r\u1ee7i ro b\u1ea3o m\u1eadt, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean t\u1eaft n\u00f3 \u0111i.<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y b\u1eb1ng c\u00e1ch th\u00eam m\u00e3 sau v\u00e0o&nbsp;t\u1ec7p&nbsp;<em>wp-config.php<\/em> c\u1ee7a m\u00ecnh&nbsp;.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>12<\/td><td><code>\/\/ Disallow file edit<\/code><code>define( <\/code><code>'DISALLOW_FILE_EDIT'<\/code><code>, true );<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y b\u1eb1ng 1 c\u00fa nh\u1ea5p chu\u1ed9t b\u1eb1ng t\u00ednh n\u0103ng Hardening trong plugin Sucuri mi\u1ec5n ph\u00ed m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fileexecution\"><span class=\"ez-toc-section\" id=\"Tat_thuc_thi_tep_PHP_trong_mot_so_thu_muc_WordPress_nhat_dinh\"><\/span>T\u1eaft th\u1ef1c thi t\u1ec7p PHP trong m\u1ed9t s\u1ed1 th\u01b0 m\u1ee5c WordPress nh\u1ea5t \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho WordPress c\u1ee7a b\u1ea1n l\u00e0 t\u1eaft th\u1ef1c thi t\u1ec7p PHP trong c\u00e1c th\u01b0 m\u1ee5c kh\u00f4ng c\u1ea7n thi\u1ebft nh\u01b0 \/wp-content\/uploads\/.<\/p>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y b\u1eb1ng c\u00e1ch m\u1edf m\u1ed9t tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n nh\u01b0 Notepad v\u00e0 d\u00e1n m\u00e3 n\u00e0y:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>123<\/td><td><code>&lt;Files *.php&gt;<\/code><code>deny from all<\/code><code>&lt;\/Files&gt;<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ti\u1ebfp theo, b\u1ea1n c\u1ea7n l\u01b0u t\u1ec7p n\u00e0y d\u01b0\u1edbi d\u1ea1ng&nbsp;<strong>.htaccess<\/strong>&nbsp;v\u00e0 t\u1ea3i n\u00f3 l\u00ean th\u01b0 m\u1ee5c \/wp-content \/ uploads\/ tr\u00ean trang web c\u1ee7a b\u1ea1n b\u1eb1ng \u1ee9ng d\u1ee5ng&nbsp;FTP&nbsp;.<\/p>\n\n\n\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch chi ti\u1ebft h\u01a1n, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00fang t\u00f4i v\u1ec1&nbsp;c\u00e1ch t\u1eaft th\u1ef1c thi PHP trong m\u1ed9t s\u1ed1 th\u01b0 m\u1ee5c WordPress nh\u1ea5t \u0111\u1ecbnh<\/p>\n\n\n\n<p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y b\u1eb1ng 1 c\u00fa nh\u1ea5p chu\u1ed9t b\u1eb1ng t\u00ednh n\u0103ng Hardening trong plugin Sucuri mi\u1ec5n ph\u00ed m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"limitloginattempts\"><span class=\"ez-toc-section\" id=\"Han_che_so_luot_dang_nhap\"><\/span>H\u1ea1n ch\u1ebf s\u1ed1 l\u01b0\u1ee3t \u0111\u0103ng nh\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Theo m\u1eb7c \u0111\u1ecbnh, WordPress cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng c\u1ed1 g\u1eafng \u0111\u0103ng nh\u1eadp bao nhi\u00eau l\u1ea7n t\u00f9y th\u00edch.&nbsp;\u0110i\u1ec1u n\u00e0y khi\u1ebfn trang web WordPress c\u1ee7a b\u1ea1n d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng v\u00e9t c\u1ea1n.&nbsp;Tin t\u1eb7c c\u1ed1 g\u1eafng b\u1ebb kh\u00f3a m\u1eadt kh\u1ea9u b\u1eb1ng c\u00e1ch c\u1ed1 g\u1eafng \u0111\u0103ng nh\u1eadp b\u1eb1ng nhi\u1ec1u c\u00e1ch k\u1ebft h\u1ee3p m\u1eadt kh\u1ea9u kh\u00e1c nhau.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng kh\u1eafc ph\u1ee5c b\u1eb1ng c\u00e1ch h\u1ea1n ch\u1ebf s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp th\u1ea5t b\u1ea1i m\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c ph\u00e9p.&nbsp;N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng t\u01b0\u1eddng l\u1eeda \u1ee9ng d\u1ee5ng web \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, th\u00ec \u0111i\u1ec1u n\u00e0y s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, n\u1ebfu b\u1ea1n ch\u01b0a c\u00f3 thi\u1ebft l\u1eadp t\u01b0\u1eddng l\u1eeda, h\u00e3y ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc b\u00ean d\u01b0\u1edbi.<\/p>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t v\u00e0 k\u00edch ho\u1ea1t&nbsp;plugin&nbsp;<a href=\"https:\/\/wordpress.org\/plugins\/login-lockdown\/\" target=\"_blank\" rel=\"noreferrer noopener\">Login LockDown<\/a>.<\/p>\n\n\n\n<p>Sau khi k\u00edch ho\u1ea1t, h\u00e3y truy c\u1eadp&nbsp;<strong>C\u00e0i \u0111\u1eb7t \u00bb \u0110\u0103ng nh\u1eadp<\/strong>&nbsp;trang&nbsp;<strong>LockDown<\/strong>&nbsp;\u0111\u1ec3 thi\u1ebft l\u1eadp plugin.<\/p>\n\n\n\n<p><a href=\"https:\/\/kiencang.net\/bao-mat-wordpress-p3\/\">\u0110\u1ecdc ti\u1ebfp ph\u1ea7n 3 (ph\u1ea7n cu\u1ed1i)<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Plugin b\u1ea3o m\u1eadt WordPress t\u1ed1t nh\u1ea5t Sau khi backup, \u0111i\u1ec1u ti\u1ebfp theo ch\u00fang ta c\u1ea7n l\u00e0m l\u00e0 thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng ki\u1ec3m tra &amp; gi\u00e1m s\u00e1t \u0111\u1ec3 theo d\u00f5i m\u1ecdi th\u1ee9 di\u1ec5n ra tr\u00ean trang web c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m gi\u00e1m s\u00e1t t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u1ec7p, n\u1ed7 l\u1ef1c \u0111\u0103ng nh\u1eadp kh\u00f4ng &hellip;<\/p>\n","protected":false},"author":1,"featured_media":19628,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - 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