{"id":34137,"date":"2025-10-09T14:50:47","date_gmt":"2025-10-09T07:50:47","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=34137"},"modified":"2025-10-09T14:50:47","modified_gmt":"2025-10-09T07:50:47","slug":"mac-filtering-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/","title":{"rendered":"MAC filtering l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/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\"><span class=\"ez-toc-js-icon-con\"><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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#MAC-filtering-la-gi\" >MAC filtering l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Co-che-hoat-dong-cua-MAC-filtering\" >C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Uu-diem-va-nhuoc-diem-cua-MAC-filtering\" >\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a MAC filtering<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Uu-diem-cua-MAC-filtering\" >\u01afu \u0111i\u1ec3m c\u1ee7a MAC filtering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Nhuoc-diem-cua-MAC-filtering\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a MAC filtering<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Khi-nao-nen-dung-tinh-nang-MAC-filtering\" >Khi n\u00e0o n\u00ean d\u00f9ng t\u00ednh n\u0103ng MAC filtering?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Quan-ly-mang-Gia-dinh-va-Kiem-soat-con-cai\" >Qu\u1ea3n l\u00fd m\u1ea1ng Gia \u0111\u00ecnh v\u00e0 Ki\u1ec3m so\u00e1t con c\u00e1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Moi-truong-Van-phong-nho-SOHO-va-Mang-Noi-bo\" >M\u00f4i tr\u01b0\u1eddng V\u0103n ph\u00f2ng nh\u1ecf (SOHO) v\u00e0 M\u1ea1ng N\u1ed9i b\u1ed9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Mang-Khach-Guest-Network-co-gioi-han\" >M\u1ea1ng Kh\u00e1ch (Guest Network) c\u00f3 gi\u1edbi h\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Thiet-bi-IoT-Internet-of-Things\" >Thi\u1ebft b\u1ecb IoT (Internet of Things)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Ung-dung-thuc-te-cua-MAC-filtering\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a MAC filtering<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Kiem-soat-bang-thong-cho-Mang-Khach-Guest-Wi-Fi\" >Ki\u1ec3m so\u00e1t b\u0103ng th\u00f4ng cho M\u1ea1ng Kh\u00e1ch (Guest Wi-Fi)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Dam-bao-tinh-san-sang-cua-thiet-bi-quan-trong\" >\u0110\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng c\u1ee7a thi\u1ebft b\u1ecb quan tr\u1ecdng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Kiem-soat-quyen-truy-cap-theo-tung-Phong-Ban-Micro-segmentation\" >Ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp theo t\u1eebng Ph\u00f2ng Ban (Micro-segmentation)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Quan-ly-mang-ky-tuc-xanha-tro\" >Qu\u1ea3n l\u00fd m\u1ea1ng k\u00fd t\u00fac x\u00e1\/nh\u00e0 tr\u1ecd<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Huong-dan-kiem-tra-dia-chi-MAC-tren-Windows\" >H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean Windows<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Cach-1-Dung-Command-Prompt-CMD\" >C\u00e1ch 1: D\u00f9ng Command Prompt (CMD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Cach-2-Qua-Settings\" >C\u00e1ch 2: Qua Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Cach-3-Control-Panel\" >C\u00e1ch 3: Control Panel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Kim-tra-dia-chi-MAC-tren-macOS\" >Kim tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean macOS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Kiem-tra-dia-chi-MAC-tren-dien-thoai\" >Ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Thiet-lap-MAC-filtering-tren-cac-loai-router-pho-bien\" >Thi\u1ebft l\u1eadp MAC filtering tr\u00ean c\u00e1c lo\u1ea1i router ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Luu-y-khi-cau-hinh-MAC-filtering\" >L\u01b0u \u00fd khi c\u1ea5u h\u00ecnh MAC filtering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#A-Chuan-bi-chung\" >A. Chu\u1ea9n b\u1ecb chung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#B-Huong-dan-chi-tiet-tren-cac-hang-Router-tieu-bieu\" >B. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft tr\u00ean c\u00e1c h\u00e3ng Router ti\u00eau bi\u1ec3u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Luu-y-bao-mat-khi-su-dung-MAC-filtering\" >L\u01b0u \u00fd b\u1ea3o m\u1eadt khi s\u1eed d\u1ee5ng MAC filtering<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Luon-ket-hop-voi-ma-hoa-manh-WPA2WPA3\" >Lu\u00f4n k\u1ebft h\u1ee3p v\u1edbi m\u00e3 h\u00f3a m\u1ea1nh (WPA2\/WPA3)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Khong-cong-khai-danh-sach-MAC\" >Kh\u00f4ng c\u00f4ng khai danh s\u00e1ch MAC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Can-nhac-MAC-Filtering-cho-Mang-Khach\" >C\u00e2n nh\u1eafc MAC Filtering cho M\u1ea1ng Kh\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Luon-cap-nhat-Firmware-Router\" >Lu\u00f4n c\u1eadp nh\u1eadt Firmware Router<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Xu-ly-su-co-thuong-gap-voi-MAC-filtering\" >X\u1eed l\u00fd s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi MAC filtering<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Su-co-Thiet-bi-cua-toi-khong-vao-duoc-mang-sau-khi-cai-dat\" >S\u1ef1 c\u1ed1: Thi\u1ebft b\u1ecb c\u1ee7a t\u00f4i kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c m\u1ea1ng sau khi c\u00e0i \u0111\u1eb7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Su-co-Qua-nhieu-thiet-bi-moi-viec-them-thu-cong-rat-mat-thoi-gian\" >S\u1ef1 c\u1ed1: Qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb m\u1edbi, vi\u1ec7c th\u00eam th\u1ee7 c\u00f4ng r\u1ea5t m\u1ea5t th\u1eddi gian<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Su-co-Toi-muon-go-bo-hoan-toan-MAC-Filtering\" >S\u1ef1 c\u1ed1: T\u00f4i mu\u1ed1n g\u1ee1 b\u1ecf ho\u00e0n to\u00e0n MAC Filtering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Su-co-Toi-can-chan-truy-cap-Internet-nhung-van-cho-phep-mang-noi-bo\" >S\u1ef1 c\u1ed1: T\u00f4i c\u1ea7n ch\u1eb7n truy c\u1eadp Internet nh\u01b0ng v\u1eabn cho ph\u00e9p m\u1ea1ng n\u1ed9i b\u1ed9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/interdata.vn\/blog\/mac-filtering-la-gi\/#Tong-ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p>MAC filtering l\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1ng hi\u1ec7u qu\u1ea3 gi\u00fap ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i qua Wi-Fi ho\u1eb7c m\u1ea1ng LAN. B\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd gi\u1edbi thi\u1ec7u t\u00ednh n\u0103ng <strong>MAC filtering l\u00e0 g\u00ec<\/strong>, c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering, c\u00e1c ch\u1ebf \u0111\u1ed9 danh s\u00e1ch tr\u1eafng\/\u0111en, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 c\u00e1ch c\u1ea5u h\u00ecnh tr\u00ean c\u00e1c lo\u1ea1i router ph\u1ed5 bi\u1ebfn gi\u00fap b\u1ea3o v\u1ec7 m\u1ea1ng c\u1ee7a b\u1ea1n kh\u1ecfi truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"MAC-filtering-la-gi\"><\/span>MAC filtering l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>MAC filtering<\/strong> l\u00e0 m\u1ed9t t\u00ednh n\u0103ng b\u1ea3o m\u1eadt m\u1ea1ng cho ph\u00e9p ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c ph\u00e9p truy c\u1eadp v\u00e0o m\u1ea1ng d\u1ef1a tr\u00ean \u0111\u1ecba ch\u1ec9 MAC (Media Access Control) c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb.<\/p>\n<p>Khi b\u1eadt MAC filtering, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (router) s\u1ebd ch\u1ec9 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ecba ch\u1ec9 MAC n\u1eb1m trong danh s\u00e1ch cho ph\u00e9p (whitelist) ho\u1eb7c ch\u1eb7n c\u00e1c thi\u1ebft b\u1ecb c\u00f3 \u0111\u1ecba ch\u1ec9 MAC n\u1eb1m trong danh s\u00e1ch ch\u1eb7n (blacklist) truy c\u1eadp v\u00e0o m\u1ea1ng, b\u1ea5t k\u1ec3 thi\u1ebft b\u1ecb \u0111\u00f3 c\u00f3 bi\u1ebft m\u1eadt kh\u1ea9u WiFi hay kh\u00f4ng.<\/p>\n<div class=\"mceTemp\"><\/div>\n<figure id=\"attachment_34157\" aria-describedby=\"caption-attachment-34157\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34157\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/MAC-filtering-la-gi.jpg\" alt=\"MAC filtering l\u00e0 g\u00ec\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/MAC-filtering-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/MAC-filtering-la-gi-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/MAC-filtering-la-gi-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-34157\" class=\"wp-caption-text\">MAC filtering l\u00e0 g\u00ec<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Co-che-hoat-dong-cua-MAC-filtering\"><\/span>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u s\u00e2u v\u1ec1 c\u00e1ch th\u1ee9c <strong>MAC filtering<\/strong> th\u1ef1c s\u1ef1 b\u1ea3o v\u1ec7 m\u1ea1ng, ch\u00fang ta c\u1ea7n ph\u00e2n t\u00edch c\u00e1ch router x\u1eed l\u00fd y\u00eau c\u1ea7u k\u1ebft n\u1ed1i \u1edf T\u1ea7ng Data Link (Layer 2) c\u1ee7a m\u00f4 h\u00ecnh OSI.<\/p>\n<p>Khi m\u1ed9t thi\u1ebft b\u1ecb (v\u00ed d\u1ee5: \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, laptop) c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng Wi-Fi ho\u1eb7c m\u1ea1ng LAN, n\u00f3 s\u1ebd g\u1eedi m\u1ed9t y\u00eau c\u1ea7u truy c\u1eadp \u0111\u1ebfn <strong>router wifi<\/strong>. Router kh\u00f4ng ch\u1ec9 ki\u1ec3m tra m\u1eadt kh\u1ea9u WPA2\/WPA3 th\u00f4ng th\u01b0\u1eddng, m\u00e0 c\u00f2n th\u1ef1c hi\u1ec7n quy tr\u00ecnh <strong>MAC filtering<\/strong> nh\u01b0 sau:<\/p>\n<ol>\n<li><strong>Nh\u1eadn Y\u00eau c\u1ea7u:<\/strong> Router nh\u1eadn g\u00f3i tin truy c\u1eadp, trong \u0111\u00f3 c\u00f3 \u0111\u00ednh k\u00e8m <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> ngu\u1ed3n c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<li><strong>So s\u00e1nh Danh s\u00e1ch:<\/strong> Router tham chi\u1ebfu \u0111\u1ecba ch\u1ec9 MAC n\u00e0y v\u1edbi m\u1ed9t danh s\u00e1ch \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh s\u1eb5n trong b\u1ed9 nh\u1edb c\u1ee7a n\u00f3.<\/li>\n<li><strong>Th\u1ef1c hi\u1ec7n L\u1ecdc:<\/strong>D\u1ef1a tr\u00ean ch\u1ebf \u0111\u1ed9 l\u1ecdc \u0111\u00e3 thi\u1ebft l\u1eadp, router s\u1ebd \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh:\n<ul>\n<li><strong>Ch\u1ebf \u0111\u1ed9 Danh s\u00e1ch tr\u1eafng (Whitelist):<\/strong> \u0110\u00e2y l\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o m\u1eadt cao h\u01a1n. Router ch\u1ec9 cho ph\u00e9p truy c\u1eadp nh\u1eefng \u0111\u1ecba ch\u1ec9 MAC <strong>c\u00f3 trong danh s\u00e1ch<\/strong>. B\u1ea5t k\u1ef3 \u0111\u1ecba ch\u1ec9 n\u00e0o kh\u00e1c, d\u00f9 c\u00f3 bi\u1ebft m\u1eadt kh\u1ea9u Wi-Fi hay kh\u00f4ng, \u0111\u1ec1u b\u1ecb t\u1eeb ch\u1ed1i ngay l\u1eadp t\u1ee9c. Ch\u1ebf \u0111\u1ed9 n\u00e0y ph\u00f9 h\u1ee3p khi b\u1ea1n c\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh v\u00e0 c\u1ea7n ki\u1ec3m so\u00e1t t\u1ed1i \u0111a.<\/li>\n<li><strong>Ch\u1ebf \u0111\u1ed9 Danh s\u00e1ch \u0111en (Blacklist):<\/strong> Router t\u1eeb ch\u1ed1i truy c\u1eadp nh\u1eefng \u0111\u1ecba ch\u1ec9 MAC <strong>n\u1eb1m trong danh s\u00e1ch<\/strong>. T\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecba ch\u1ec9 kh\u00e1c (ngo\u1ea1i tr\u1eeb nh\u1eefng thi\u1ebft b\u1ecb trong blacklist) \u0111\u1ec1u \u0111\u01b0\u1ee3c ph\u00e9p k\u1ebft n\u1ed1i sau khi x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u. Ch\u1ebf \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 <strong>ch\u1eb7n thi\u1ebft b\u1ecb b\u1eb1ng \u0111\u1ecba ch\u1ec9 mac<\/strong> khi ph\u00e1t hi\u1ec7n ng\u01b0\u1eddi d\u00f9ng tr\u00e1i ph\u00e9p ho\u1eb7c thi\u1ebft b\u1ecb c\u00f3 v\u1ea5n \u0111\u1ec1 (v\u00ed d\u1ee5: m\u1ed9t thi\u1ebft b\u1ecb g\u00e2y l\u1ed7i m\u1ea1ng).<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering<\/strong> v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t b\u1ed9 l\u1ecdc nh\u1ecb ph\u00e2n (c\u00f3\/kh\u00f4ng), ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t &#8220;ng\u01b0\u1eddi g\u00e1c c\u1ed5ng&#8221; \u1edf c\u1eeda ng\u00f5 m\u1ea1ng. \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n nh\u1edb l\u00e0 quy tr\u00ecnh n\u00e0y di\u1ec5n ra r\u1ea5t nhanh ch\u00f3ng, \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n n\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd \u0111\u00e3 \u0111\u01b0\u1ee3c cho ph\u00e9p.<\/p>\n<p>Vi\u1ec7c thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 Whitelist mang l\u1ea1i s\u1ef1 an to\u00e0n cao h\u01a1n so v\u1edbi Blacklist v\u00ec n\u00f3 ch\u1eb7n m\u1ecdi thi\u1ebft b\u1ecb kh\u00f4ng quen thu\u1ed9c, ngay c\u1ea3 khi ch\u00fang ch\u01b0a t\u1eebng xu\u1ea5t hi\u1ec7n tr\u00ean m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n<p>Vi\u1ec7c <strong>l\u1ecdc \u0111\u1ecba ch\u1ec9 MAC<\/strong> l\u00e0 m\u1ed9t b\u01b0\u1edbc b\u1ed5 sung cho c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt hi\u1ec7n \u0111\u1ea1i, t\u1ea1o n\u00ean m\u1ed9t &#8220;chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng th\u1ee7 theo chi\u1ec1u s\u00e2u&#8221; cho h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n<div class=\"mceTemp\"><\/div>\n<figure id=\"attachment_34158\" aria-describedby=\"caption-attachment-34158\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34158\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-che-hoat-dong-cua-MAC-filtering.jpg\" alt=\"C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-che-hoat-dong-cua-MAC-filtering.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-che-hoat-dong-cua-MAC-filtering-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Co-che-hoat-dong-cua-MAC-filtering-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-34158\" class=\"wp-caption-text\">C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Uu-diem-va-nhuoc-diem-cua-MAC-filtering\"><\/span>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1eb7c d\u00f9 vi\u1ec7c <strong>MAC filtering<\/strong> l\u00e0 m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 h\u1eefu \u00edch, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n c\u00f3 c\u00e1i nh\u00ecn kh\u00e1ch quan v\u1ec1 c\u1ea3 m\u1eb7t l\u1ee3i v\u00e0 h\u1ea1i c\u1ee7a n\u00f3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uu-diem-cua-MAC-filtering\"><\/span>\u01afu \u0111i\u1ec3m c\u1ee7a MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>MAC Filtering mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong vi\u1ec7c qu\u1ea3n l\u00fd truy c\u1eadp m\u1ea1ng. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt v\u00e0 m\u00f4 t\u1ea3 chi ti\u1ebft t\u1eebng kh\u00eda c\u1ea1nh.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #050a71;\">\n<thead>\n<tr>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: left;\">\u01afu \u0111i\u1ec3m (Pros)<\/th>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: left;\">M\u00f4 t\u1ea3 Chi ti\u1ebft<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Ki\u1ec3m so\u00e1t truy c\u1eadp tuy\u1ec7t \u0111\u1ed1i<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">MAC filtering cho ph\u00e9p b\u1ea1n ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c t\u1eebng thi\u1ebft b\u1ecb. N\u1ebfu m\u1ed9t thi\u1ebft b\u1ecb b\u1ecb m\u1ea5t ho\u1eb7c b\u1ecb \u0111\u00e1nh c\u1eafp, b\u1ea1n ch\u1ec9 c\u1ea7n x\u00f3a \u0111\u1ecba ch\u1ec9 MAC \u0111\u00f3 kh\u1ecfi danh s\u00e1ch \u0111\u1ec3 ng\u0103n truy c\u1eadp v\u0129nh vi\u1ec5n, ngay c\u1ea3 khi k\u1ebb tr\u1ed9m bi\u1ebft m\u1eadt kh\u1ea9u Wi-Fi.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Thi\u1ebft l\u1eadp nhanh ch\u00f3ng<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">V\u1edbi vi\u1ec7c tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt c\u1ea5p \u0111\u1ed9 doanh nghi\u1ec7p, vi\u1ec7c c\u1ea5u h\u00ecnh MAC filtering r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh trong v\u00f2ng 5-10 ph\u00fat.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Hi\u1ec7u qu\u1ea3 \u1edf Layer 2<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u1edf T\u1ea7ng Data Link, ch\u1eb7n truy c\u1eadp ngay t\u1eeb b\u01b0\u1edbc k\u1ebft n\u1ed1i \u0111\u1ea7u ti\u00ean, gi\u00fap gi\u1ea3m t\u1ea3i nh\u1eb9 cho router so v\u1edbi vi\u1ec7c l\u1ecdc \u1edf T\u1ea7ng 3 (IP Filtering).<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Qu\u1ea3n l\u00fd ng\u01b0\u1eddi d\u00f9ng th\u00e2n thi\u1ec7n<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">\u0110\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 cho ki\u1ec3m so\u00e1t tr\u1ebb em ho\u1eb7c m\u1ea1ng kh\u00e1ch. MAC filtering l\u00e0 c\u00f4ng c\u1ee5 \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m so\u00e1t truy c\u1eadp theo thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Nhuoc-diem-cua-MAC-filtering\"><\/span>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 nh\u1eefng l\u00fd do m\u00e0 <strong>MAC filtering c\u00f3 an to\u00e0n kh\u00f4ng<\/strong> lu\u00f4n l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi l\u1edbn trong gi\u1edbi b\u1ea3o m\u1eadt.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #050a71;\">\n<thead>\n<tr>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: center;\">H\u1ea1n ch\u1ebf (Cons)<\/th>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: center;\">M\u00f4 t\u1ea3 Chi ti\u1ebft<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">L\u1ed7 h\u1ed5ng MAC Spoofing<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">\u0110\u00e2y l\u00e0 \u0111i\u1ec3m y\u1ebfu l\u1edbn nh\u1ea5t. K\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u1ea1o (MAC Spoofing) \u0111\u1ecba ch\u1ec9 v\u1eadt l\u00fd c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb h\u1ee3p l\u1ec7 \u0111ang ho\u1ea1t \u0111\u1ed9ng trong m\u1ea1ng (th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Wireshark) v\u00e0 v\u01b0\u1ee3t qua r\u00e0o c\u1ea3n MAC filtering m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">B\u1ea5t ti\u1ec7n khi th\u00eam\/thay \u0111\u1ed5i thi\u1ebft b\u1ecb<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">M\u1ed7i khi c\u00f3 thi\u1ebft b\u1ecb m\u1edbi (\u0111i\u1ec7n tho\u1ea1i m\u1edbi, laptop m\u1edbi, kh\u00e1ch \u0111\u1ebfn ch\u01a1i), b\u1ea1n ph\u1ea3i \u0111\u0103ng nh\u1eadp v\u00e0o router v\u00e0 th\u00eam \u0111\u1ecba ch\u1ec9 MAC th\u1ee7 c\u00f4ng. N\u1ebfu s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb l\u1edbn, vi\u1ec7c n\u00e0y t\u1ed1n r\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 d\u1ec5 g\u00e2y ra sai s\u00f3t.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Kh\u00f3 kh\u0103n khi kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">N\u1ebfu thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n b\u1ecb t\u1eeb ch\u1ed1i truy c\u1eadp, vi\u1ec7c \u0111\u1ea7u ti\u00ean b\u1ea1n ph\u1ea3i l\u00e0m l\u00e0 ki\u1ec3m tra xem \u0111\u00e3 nh\u1eadp \u0111\u00fang \u0111\u1ecba ch\u1ec9 MAC v\u00e0o danh s\u00e1ch ch\u01b0a, \u0111i\u1ec1u n\u00e0y ph\u1ee9c t\u1ea1p h\u01a1n vi\u1ec7c ch\u1ec9 ki\u1ec3m tra m\u1eadt kh\u1ea9u.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Y\u00eau c\u1ea7u IP c\u1ed1 \u0111\u1ecbnh<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">N\u1ebfu thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 MAC ri\u00eang t\u01b0 (nh\u01b0 \u0111\u00e3 n\u00f3i \u1edf ph\u1ea7n iOS), t\u00ednh n\u0103ng MAC filtering s\u1ebd tr\u1edf n\u00ean v\u00f4 d\u1ee5ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 <strong>\u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m mac filtering<\/strong> gi\u00fap b\u1ea1n kh\u00f4ng qu\u00e1 ph\u1ee5 thu\u1ed9c v\u00e0o n\u00f3 nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt duy nh\u1ea5t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Khi-nao-nen-dung-tinh-nang-MAC-filtering\"><\/span>Khi n\u00e0o n\u00ean d\u00f9ng t\u00ednh n\u0103ng MAC filtering?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>MAC filtering<\/strong> kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n, nh\u01b0ng n\u00f3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 ki\u1ec3m so\u00e1t truy c\u1eadp m\u1ea1nh m\u1ebd trong c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3. D\u1ef1a tr\u00ean nghi\u00ean c\u1ee9u <strong>IABCXYZ<\/strong> v\u1ec1 ch\u00e2n dung ng\u01b0\u1eddi d\u00f9ng, \u0111\u00e2y l\u00e0 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf m\u00e0 vi\u1ec7c <strong>c\u1ea5u h\u00ecnh MAC filtering<\/strong> mang l\u1ea1i l\u1ee3i \u00edch t\u1ed1i \u01b0u:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Quan-ly-mang-Gia-dinh-va-Kiem-soat-con-cai\"><\/span>Qu\u1ea3n l\u00fd m\u1ea1ng Gia \u0111\u00ecnh v\u00e0 Ki\u1ec3m so\u00e1t con c\u00e1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec1u ph\u1ee5 huynh lo l\u1eafng v\u1ec1 vi\u1ec7c con c\u00e1i s\u1eed d\u1ee5ng Internet qu\u00e1 gi\u1edd ho\u1eb7c truy c\u1eadp v\u00e0o m\u1ea1ng v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m kh\u00f4ng mong mu\u1ed1n (v\u00ed d\u1ee5: gi\u1eefa \u0111\u00eam).<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o danh s\u00e1ch tr\u1eafng cho c\u00e1c thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh (PC, \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ed1 m\u1eb9) v\u00e0 th\u00eam v\u00e0o danh s\u00e1ch \u0111en \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a thi\u1ebft b\u1ecb c\u1ee7a tr\u1ebb. K\u1ebft h\u1ee3p v\u1edbi t\u00ednh n\u0103ng l\u00ean l\u1ecbch c\u1ee7a router, b\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp quy t\u1eafc ch\u1ec9 cho ph\u00e9p thi\u1ebft b\u1ecb c\u1ee7a tr\u1ebb k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng trong kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh (v\u00ed d\u1ee5: sau 17h \u0111\u1ebfn 21h).<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 th\u1ef1c hi\u1ec7n <strong>ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb<\/strong> theo th\u1eddi gian m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i thay \u0111\u1ed5i m\u1eadt kh\u1ea9u Wi-Fi li\u00ean t\u1ee5c.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Moi-truong-Van-phong-nho-SOHO-va-Mang-Noi-bo\"><\/span>M\u00f4i tr\u01b0\u1eddng V\u0103n ph\u00f2ng nh\u1ecf (SOHO) v\u00e0 M\u1ea1ng N\u1ed9i b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong c\u00e1c v\u0103n ph\u00f2ng nh\u1ecf ho\u1eb7c c\u1eeda h\u00e0ng c\u1ea7n m\u1ea1ng n\u1ed9i b\u1ed9 ri\u00eang t\u01b0, vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ec9 c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng ty \u0111\u01b0\u1ee3c ph\u00e9p truy c\u1eadp l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u.<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> S\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 <strong>danh s\u00e1ch tr\u1eafng<\/strong> \u0111\u1ec3 ch\u1ec9 cho ph\u00e9p c\u00e1c laptop, m\u00e1y in v\u00e0 m\u00e1y ch\u1ee7 c\u1ee7a c\u00f4ng ty truy c\u1eadp v\u00e0o m\u1ea1ng ch\u00ednh.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> Ng\u0103n ch\u1eb7n nh\u00e2n vi\u00ean ho\u1eb7c kh\u00e1ch h\u00e0ng k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n (kh\u00f4ng b\u1ea3o m\u1eadt) v\u00e0o m\u1ea1ng ch\u00ednh, gi\u1ea3m thi\u1ec3u r\u1ee7i ro b\u1ea3o m\u1eadt t\u1eeb c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i lai.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Mang-Khach-Guest-Network-co-gioi-han\"><\/span>M\u1ea1ng Kh\u00e1ch (Guest Network) c\u00f3 gi\u1edbi h\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n thi\u1ebft l\u1eadp m\u1ed9t m\u1ea1ng kh\u00e1ch v\u00e0 mu\u1ed1n gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb truy c\u1eadp ho\u1eb7c \u0111\u1ea3m b\u1ea3o ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 \u0111\u0103ng k\u00fd tr\u01b0\u1edbc m\u1edbi \u0111\u01b0\u1ee3c d\u00f9ng, <strong>MAC filtering<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd.<\/p>\n<ul>\n<li><strong>L\u1ee3i \u00edch:<\/strong> T\u0103ng c\u01b0\u1eddng ki\u1ec3m so\u00e1t m\u1ea1ng kh\u00e1ch, ng\u0103n ch\u1eb7n ng\u01b0\u1eddi l\u1ea1 d\u00f9ng ch\u00f9a Wi-Fi sau khi kh\u00e1ch \u0111\u00e3 r\u1eddi \u0111i.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Thiet-bi-IoT-Internet-of-Things\"><\/span>Thi\u1ebft b\u1ecb IoT (Internet of Things)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c thi\u1ebft b\u1ecb IoT (camera an ninh, b\u00f3ng \u0111\u00e8n th\u00f4ng minh) th\u01b0\u1eddng \u00edt \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m, d\u1ec5 tr\u1edf th\u00e0nh l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt.<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> Thi\u1ebft l\u1eadp <strong>MAC filtering gia \u0111\u00ecnh<\/strong> \u0111\u1ec3 ch\u1ec9 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb IoT n\u00e0y k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t ph\u00e2n \u0111o\u1ea1n m\u1ea1ng ri\u00eang bi\u1ec7t.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> C\u00f4 l\u1eadp c\u00e1c thi\u1ebft b\u1ecb IoT kh\u1ecfi m\u1ea1ng ch\u00ednh, \u0111\u1ea3m b\u1ea3o ch\u00fang kh\u00f4ng b\u1ecb can thi\u1ec7p t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<p>Khi s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb trong m\u1ea1ng c\u1ee7a b\u1ea1n <strong>c\u1ed1 \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c<\/strong>, vi\u1ec7c \u00e1p d\u1ee5ng <strong>MAC filtering<\/strong> mang l\u1ea1i m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 h\u1eefu \u00edch v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t truy c\u1eadp tuy\u1ec7t v\u1eddi.<br \/>\nSo s\u00e1nh MAC filtering v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt kh\u00e1c<\/p>\n<p>\u0110\u1ec3 tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi: <strong>N\u00ean d\u00f9ng MAC Filtering hay WPA3?<\/strong>, ch\u00fang ta c\u1ea7n \u0111\u1eb7t <strong>MAC filtering<\/strong> v\u00e0o b\u1ed1i c\u1ea3nh so s\u00e1nh v\u1edbi hai ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn kh\u00e1c.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #050a71;\">\n<thead>\n<tr>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: left;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: left;\">MAC Filtering<\/th>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: left;\">M\u1eadt kh\u1ea9u WPA2\/WPA3<\/th>\n<th style=\"background-color: #050a71; color: white; padding: 10px; border: 1px solid #050a71; text-align: left;\">\u1ea8n SSID (T\u00ean M\u1ea1ng)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">M\u1ee9c \u0111\u1ed9 B\u1ea3o m\u1eadt<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Th\u1ea5p (D\u1ec5 b\u1ecb MAC Spoofing)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Cao (WPA3 l\u00e0 ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i nh\u1ea5t)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">R\u1ea5t Th\u1ea5p (D\u1ec5 d\u00e0ng b\u1ecb ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">M\u1ee5c \u0111\u00edch Ch\u00ednh<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Ki\u1ec3m so\u00e1t\/H\u1ea1n ch\u1ebf truy c\u1eadp thi\u1ebft b\u1ecb (Ai \u0111\u01b0\u1ee3c v\u00e0o?)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">M\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng (B\u1ea3o v\u1ec7 th\u00f4ng tin truy\u1ec1n t\u1ea3i)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Gi\u1ea5u t\u00ean m\u1ea1ng kh\u1ecfi ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Layer Ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Layer 2 (Data Link)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Layer 4 (Transport) v\u00e0 cao h\u01a1n<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Layer 2 (Broadcast)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Kh\u00f3 kh\u0103n thi\u1ebft l\u1eadp<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Trung b\u00ecnh (C\u1ea7n t\u00ecm v\u00e0 nh\u1eadp t\u1eebng \u0111\u1ecba ch\u1ec9 MAC)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">D\u1ec5 (Ch\u1ec9 c\u1ea7n \u0111\u1eb7t m\u1eadt kh\u1ea9u m\u1ea1nh)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">D\u1ec5 (Ch\u1ec9 c\u1ea7n m\u1ed9t thao t\u00e1c)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">Hi\u1ec7u qu\u1ea3 th\u1ef1c t\u1ebf<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">T\u1ed1t cho qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb IoT ho\u1eb7c m\u1ea1ng c\u1ed1 \u0111\u1ecbnh<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">T\u1ed1t nh\u1ea5t cho b\u1ea3o m\u1eadt chung (MANDATORY)<\/td>\n<td style=\"padding: 10px; border: 1px solid #050a71; vertical-align: top;\">G\u1ea7n nh\u01b0 v\u00f4 d\u1ee5ng cho b\u1ea3o m\u1eadt th\u1ef1c s\u1ef1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Ph\u00e2n t\u00edch So S\u00e1nh:<\/strong><\/p>\n<ol>\n<li><strong>MAC filtering v\u00e0 WPA2\/WPA3:<\/strong> <strong>MAC filtering<\/strong> kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed1i th\u1ee7 m\u00e0 l\u00e0 <strong>b\u1ed5 sung<\/strong> cho WPA2\/WPA3. WPA3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u kh\u1ecfi b\u1ecb nghe tr\u1ed9m (m\u00e3 h\u00f3a) v\u00e0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, trong khi <strong>MAC filtering<\/strong> ch\u1ec9 qu\u1ea3n l\u00fd danh t\u00ednh thi\u1ebft b\u1ecb. M\u1ed9t m\u00ecnh <strong>MAC filtering<\/strong> kh\u00f4ng \u0111\u1ee7 an to\u00e0n.<\/li>\n<li><strong>MAC filtering v\u00e0 \u1ea8n SSID:<\/strong> <strong>\u1ea8n SSID<\/strong> (hay &#8220;che gi\u1ea5u t\u00ean m\u1ea1ng&#8221;) \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng l\u00e0 b\u1ea3o m\u1eadt, nh\u01b0ng th\u1ef1c ch\u1ea5t ch\u1ec9 l\u00e0 m\u1ed9t &#8220;b\u1ed9 l\u1ecdc ti\u1ec7n \u00edch&#8221;. B\u1ea5t k\u1ef3 k\u1ebb t\u1ea5n c\u00f4ng n\u00e0o c\u0169ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n SSID b\u1ecb \u1ea9n trong v\u00e0i gi\u00e2y. Do \u0111\u00f3, <strong>MAC filtering<\/strong> cung c\u1ea5p m\u1ed9t l\u1edbp ki\u1ec3m so\u00e1t truy c\u1eadp th\u1ef1c t\u1ebf h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c ch\u1ec9 \u1ea9n t\u00ean m\u1ea1ng.<\/li>\n<\/ol>\n<p>L\u1eddi khuy\u00ean t\u1eeb <strong>InterData<\/strong> l\u00e0: <strong>Lu\u00f4n \u01b0u ti\u00ean WPA3<\/strong> l\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt s\u1ed1 m\u1ed9t. Sau \u0111\u00f3, h\u00e3y th\u00eam <strong>MAC filtering<\/strong> nh\u01b0 m\u1ed9t l\u1edbp l\u1ecdc ph\u1ee5 tr\u1ee3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng <strong>ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung-dung-thuc-te-cua-MAC-filtering\"><\/span>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c <strong>l\u1ecdc \u0111\u1ecba ch\u1ec9 MAC<\/strong> c\u00f3 nh\u1eefng <strong>\u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<\/strong> r\u1ea5t \u0111a d\u1ea1ng v\u00e0 h\u1eefu \u00edch ngo\u00e0i ph\u1ea1m vi b\u1ea3o m\u1eadt m\u1ea1ng \u0111\u01a1n thu\u1ea7n:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-soat-bang-thong-cho-Mang-Khach-Guest-Wi-Fi\"><\/span>Ki\u1ec3m so\u00e1t b\u0103ng th\u00f4ng cho M\u1ea1ng Kh\u00e1ch (Guest Wi-Fi)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong m\u1ed9t qu\u00e1n c\u00e0 ph\u00ea ho\u1eb7c kh\u00e1ch s\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t m\u1ea1ng kh\u00e1ch. S\u1eed d\u1ee5ng <strong>MAC filtering<\/strong> \u0111\u1ec3:<\/p>\n<ul>\n<li><strong>Gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng:<\/strong> Ch\u1ec9 cho ph\u00e9p 50 thi\u1ebft b\u1ecb \u0111\u1ea7u ti\u00ean k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS) cho nh\u1eefng ng\u01b0\u1eddi d\u00f9ng kh\u00e1c.<\/li>\n<li><strong>Ng\u0103n ch\u1eb7n l\u1ea1m d\u1ee5ng:<\/strong> Khi m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ea1ng \u0111\u1ee7 th\u1eddi gian quy \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> c\u1ee7a h\u1ecd v\u00e0o <strong>danh s\u00e1ch \u0111en<\/strong> trong 24 gi\u1edd \u0111\u1ec3 khuy\u1ebfn kh\u00edch h\u1ecd s\u1eed d\u1ee5ng m\u1ea1ng c\u00f4ng b\u1eb1ng.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Dam-bao-tinh-san-sang-cua-thiet-bi-quan-trong\"><\/span>\u0110\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng c\u1ee7a thi\u1ebft b\u1ecb quan tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p ho\u1eb7c y t\u1ebf, m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u1ea7n \u01b0u ti\u00ean truy c\u1eadp m\u1ea1ng (v\u00ed d\u1ee5: m\u00e1y theo d\u00f5i b\u1ec7nh nh\u00e2n, m\u00e1y ch\u1ee7 d\u1eef li\u1ec7u).<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> Thi\u1ebft l\u1eadp <strong>danh s\u00e1ch tr\u1eafng<\/strong> nghi\u00eam ng\u1eb7t ch\u1ec9 bao g\u1ed3m <strong>MAC Address<\/strong> c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb quan tr\u1ecdng n\u00e0y tr\u00ean m\u1ed9t Access Point ri\u00eang.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> \u0110\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb l\u1ea1 n\u00e0o c\u00f3 th\u1ec3 tranh ch\u1ea5p b\u0103ng th\u00f4ng ho\u1eb7c l\u00e0m qu\u00e1 t\u1ea3i Access Point, b\u1ea3o v\u1ec7 t\u00ednh s\u1eb5n s\u00e0ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng tr\u1ecdng y\u1ebfu.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-soat-quyen-truy-cap-theo-tung-Phong-Ban-Micro-segmentation\"><\/span>Ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp theo t\u1eebng Ph\u00f2ng Ban (Micro-segmentation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i c\u00e1c c\u00f4ng ty kh\u00f4ng \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n tri\u1ec3n khai m\u1ea1ng VLAN ph\u1ee9c t\u1ea1p, <strong>MAC filtering<\/strong> c\u00f3 th\u1ec3 gi\u00fap ph\u00e2n \u0111o\u1ea1n m\u1ea1ng c\u01a1 b\u1ea3n.<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> Thi\u1ebft l\u1eadp m\u1ed9t router\/Access Point cho ph\u00f2ng K\u1ebf to\u00e1n, ch\u1ec9 ch\u1ea5p nh\u1eadn <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> c\u1ee7a c\u00e1c m\u00e1y t\u00ednh trong ph\u00f2ng \u0111\u00f3. Thi\u1ebft l\u1eadp m\u1ed9t Access Point kh\u00e1c cho ph\u00f2ng Marketing.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> D\u00f9 \u0111\u01a1n gi\u1ea3n, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p m\u1ed9t r\u00e0o c\u1ea3n s\u01a1 c\u1ea5p, khi\u1ebfn c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p kh\u00f3 truy c\u1eadp v\u00e0o t\u00e0i nguy\u00ean c\u1ee7a ph\u00f2ng ban kh\u00e1c h\u01a1n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Quan-ly-mang-ky-tuc-xanha-tro\"><\/span>Qu\u1ea3n l\u00fd m\u1ea1ng k\u00fd t\u00fac x\u00e1\/nh\u00e0 tr\u1ecd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ng\u01b0\u1eddi qu\u1ea3n l\u00fd nh\u00e0 tr\u1ecd c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <strong>MAC filtering<\/strong> \u0111\u1ec3 <strong>qu\u1ea3n l\u00fd tr\u1ebb em d\u00f9ng m\u1ea1ng<\/strong> ho\u1eb7c ng\u01b0\u1eddi thu\u00ea tr\u1ecd.<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> C\u1ea5p cho m\u1ed7i ph\u00f2ng m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> t\u1ed1i \u0111a (v\u00ed d\u1ee5: 3 thi\u1ebft b\u1ecb). N\u1ebfu ng\u01b0\u1eddi thu\u00ea ph\u00f2ng mu\u1ed1n d\u00f9ng th\u00eam, h\u1ecd ph\u1ea3i \u0111\u0103ng k\u00fd v\u1edbi ng\u01b0\u1eddi qu\u1ea3n l\u00fd.<\/li>\n<li><strong>L\u1ee3i \u00edch:<\/strong> Ki\u1ec3m so\u00e1t l\u1ea1m d\u1ee5ng b\u0103ng th\u00f4ng v\u00e0 ng\u0103n ch\u1eb7n vi\u1ec7c chia s\u1ebb Wi-Fi ra b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<figure id=\"attachment_34161\" aria-describedby=\"caption-attachment-34161\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34161\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Ung-dung-cua-MAC-filtering.jpg\" alt=\"\u1ee8ng d\u1ee5ng c\u1ee7a MAC filtering\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Ung-dung-cua-MAC-filtering.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Ung-dung-cua-MAC-filtering-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Ung-dung-cua-MAC-filtering-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-34161\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng c\u1ee7a MAC filtering<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Huong-dan-kiem-tra-dia-chi-MAC-tren-Windows\"><\/span>H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean Windows<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ecba ch\u1ec9 MAC gi\u00fap nh\u1eadn di\u1ec7n thi\u1ebft b\u1ecb trong m\u1ea1ng LAN\/WiFi. T\u00f9y h\u1ec7 \u0111i\u1ec1u h\u00e0nh, c\u00e1ch ki\u1ec3m tra s\u1ebd kh\u00e1c nhau. Ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean Windows<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach-1-Dung-Command-Prompt-CMD\"><\/span>C\u00e1ch 1: D\u00f9ng Command Prompt (CMD)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Windows + R, nh\u1eadp <code>cmd<\/code> v\u00e0 nh\u1ea5n Enter.<\/li>\n<li>G\u00f5 l\u1ec7nh <code>ipconfig \/all<\/code> r\u1ed3i nh\u1ea5n Enter.<\/li>\n<li>T\u00ecm d\u00f2ng \u201cPhysical Address\u201d, \u0111\u00f3 l\u00e0 \u0111\u1ecba ch\u1ec9 MAC.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Cach-2-Qua-Settings\"><\/span>C\u00e1ch 2: Qua Settings<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>V\u00e0o Start &gt; Settings &gt; Network &amp; Internet.<\/li>\n<li>Ch\u1ecdn Ethernet ho\u1eb7c WiFi t\u00f9y k\u1ebft n\u1ed1i.<\/li>\n<li>Nh\u1ea5n m\u1ee5c Hardware Properties, s\u1ebd th\u1ea5y \u0111\u1ecba ch\u1ec9 MAC.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Cach-3-Control-Panel\"><\/span>C\u00e1ch 3: Control Panel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>M\u1edf Control Panel &gt; Network &amp; Internet &gt; Network and Sharing Center.<\/li>\n<li>Ch\u1ecdn Change adapter settings.<\/li>\n<li>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o k\u1ebft n\u1ed1i s\u1eed d\u1ee5ng &gt; Status &gt; Details.<\/li>\n<li>\u0110\u1ecba ch\u1ec9 MAC n\u1eb1m \u1edf d\u00f2ng \u201cPhysical Address\u201d.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Kim-tra-dia-chi-MAC-tren-macOS\"><\/span>Kim tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean macOS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Nh\u1ea5p bi\u1ec3u t\u01b0\u1ee3ng Apple &gt; System Preferences &gt; Network.<\/li>\n<li>Ch\u1ecdn WiFi ho\u1eb7c Ethernet, nh\u1ea5n Advanced, \u0111\u1ecba ch\u1ec9 MAC hi\u1ec3n th\u1ecb ph\u00eda d\u01b0\u1edbi.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-tra-dia-chi-MAC-tren-dien-thoai\"><\/span>Ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean \u0111i\u1ec7n tho\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Android:<\/strong> V\u00e0o C\u00e0i \u0111\u1eb7t &gt; Gi\u1edbi thi\u1ec7u v\u1ec1 \u0111i\u1ec7n tho\u1ea1i &gt; Tr\u1ea1ng th\u00e1i &gt; \u0110\u1ecba ch\u1ec9 MAC WiFi.<\/li>\n<li><strong>iOS:<\/strong> V\u00e0o C\u00e0i \u0111\u1eb7t &gt; C\u00e0i \u0111\u1eb7t chung &gt; Gi\u1edbi thi\u1ec7u &gt; \u0110\u1ecba ch\u1ec9 Wi-Fi.<\/li>\n<\/ul>\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u00ean gi\u00fap x\u00e1c \u0111\u1ecbnh nhanh \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ec3 qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng hi\u1ec7u qu\u1ea3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Thiet-lap-MAC-filtering-tren-cac-loai-router-pho-bien\"><\/span>Thi\u1ebft l\u1eadp MAC filtering tr\u00ean c\u00e1c lo\u1ea1i router ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>MAC filtering gi\u00fap ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00e9p truy c\u1eadp m\u1ea1ng WiFi ho\u1eb7c LAN. C\u00e1c b\u01b0\u1edbc thi\u1ebft l\u1eadp c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y th\u01b0\u01a1ng hi\u1ec7u router, nh\u01b0ng v\u1ec1 c\u01a1 b\u1ea3n \u0111\u1ec1u kh\u00e1 gi\u1ed1ng nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Luu-y-khi-cau-hinh-MAC-filtering\"><\/span>L\u01b0u \u00fd khi c\u1ea5u h\u00ecnh MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u0110\u1ecba ch\u1ec9 MAC c\u1ea7n \u0111\u00fang \u0111\u1ecbnh d\u1ea1ng, g\u1ed3m 12 k\u00fd t\u1ef1 v\u00e0 ph\u00e2n t\u00e1ch b\u1eb1ng d\u1ea5u \u201c:\u201d ho\u1eb7c \u201c-\u201d.<\/li>\n<li>N\u00ean x\u00e1c \u0111\u1ecbnh r\u00f5 thi\u1ebft b\u1ecb c\u1ea7n ki\u1ec3m so\u00e1t, \u0111\u1ec1 ph\u00f2ng nh\u1eadp sai d\u1eabn \u0111\u1ebfn kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c m\u1ea1ng.<\/li>\n<li>Sau khi l\u01b0u c\u1ea5u h\u00ecnh, kh\u1edfi \u0111\u1ed9ng l\u1ea1i router \u0111\u1ec3 \u00e1p d\u1ee5ng hi\u1ec7u l\u1ef1c.<\/li>\n<li>M\u1ed9t s\u1ed1 router cho ph\u00e9p th\u00eam nhi\u1ec1u MAC c\u00f9ng l\u00fac, m\u1ed9t s\u1ed1 kh\u00e1c ch\u1ec9 cho t\u1eebng d\u00f2ng m\u1ed9t.<\/li>\n<\/ul>\n<p>S\u1eed d\u1ee5ng MAC filtering gi\u00fap t\u0103ng c\u01b0\u1eddng ki\u1ec3m so\u00e1t truy c\u1eadp, b\u1ea3o v\u1ec7 m\u1ea1ng gia \u0111\u00ecnh ho\u1eb7c doanh nghi\u1ec7p hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"A-Chuan-bi-chung\"><\/span>A. Chu\u1ea9n b\u1ecb chung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li><strong>\u0110\u1ecba ch\u1ec9 Truy c\u1eadp Router:<\/strong> T\u00ecm \u0111\u1ecba ch\u1ec9 IP truy c\u1eadp (th\u01b0\u1eddng l\u00e0 <code>192.168.0.1<\/code> ho\u1eb7c <code>192.168.1.1<\/code>).<\/li>\n<li><strong>Th\u00f4ng tin \u0110\u0103ng nh\u1eadp:<\/strong> \u0110\u0103ng nh\u1eadp b\u1eb1ng t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb (th\u01b0\u1eddng \u0111\u01b0\u1ee3c in d\u01b0\u1edbi \u0111\u00e1y router, ho\u1eb7c l\u00e0 <code>admin<\/code>\/<code>admin<\/code>).<\/li>\n<li><strong>Danh s\u00e1ch MAC:<\/strong> Chu\u1ea9n b\u1ecb s\u1eb5n danh s\u00e1ch <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> \u0111\u00e3 thu th\u1eadp.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"B-Huong-dan-chi-tiet-tren-cac-hang-Router-tieu-bieu\"><\/span>B. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft tr\u00ean c\u00e1c h\u00e3ng Router ti\u00eau bi\u1ec3u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4><strong>Router TP-Link<\/strong> (Ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam)<\/h4>\n<ol>\n<li><strong>V\u00e0o m\u1ee5c C\u00e0i \u0111\u1eb7t B\u1ea3o m\u1eadt:<\/strong> Sau khi \u0111\u0103ng nh\u1eadp, t\u00ecm \u0111\u1ebfn menu <strong>&#8220;Wireless&#8221;<\/strong> (Kh\u00f4ng d\u00e2y) ho\u1eb7c <strong>&#8220;Network Security&#8221;<\/strong> (B\u1ea3o m\u1eadt M\u1ea1ng).<\/li>\n<li><strong>T\u00ecm MAC Filtering:<\/strong> Ch\u1ecdn m\u1ee5c <strong>&#8220;Wireless MAC Filtering&#8221;<\/strong> (L\u1ecdc MAC Kh\u00f4ng d\u00e2y).<\/li>\n<li><strong>K\u00edch ho\u1ea1t T\u00ednh n\u0103ng:<\/strong> Ch\u1ecdn <code>Enable<\/code> (K\u00edch ho\u1ea1t) t\u00ednh n\u0103ng <strong>MAC filtering<\/strong>.<\/li>\n<li><strong>Ch\u1ecdn Ch\u1ebf \u0111\u1ed9 L\u1ecdc:<\/strong>\n<ul>\n<li><code>Allow the stations specified by any enabled entries in the list to access<\/code> (Cho ph\u00e9p): <strong>Danh s\u00e1ch tr\u1eafng.<\/strong><\/li>\n<li><code>Deny the stations specified by any enabled entries in the list to access<\/code> (T\u1eeb ch\u1ed1i): <strong>Danh s\u00e1ch \u0111en.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Th\u00eam \u0110\u1ecba ch\u1ec9:<\/strong> Nh\u1ea5p v\u00e0o <code>Add New<\/code> (Th\u00eam m\u1edbi), nh\u1eadp <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> v\u00e0 m\u00f4 t\u1ea3 (v\u00ed d\u1ee5: &#8220;Laptop c\u1ee7a A&#8221;, &#8220;iPhone c\u1ee7a B&#8221;).<\/li>\n<li><strong>L\u01b0u c\u1ea5u h\u00ecnh:<\/strong> Nh\u1ea5n <code>Save<\/code> v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i router n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/li>\n<\/ol>\n<p>Vi\u1ec7c <strong>c\u1ea5u h\u00ecnh MAC filtering tr\u00ean TP-Link<\/strong> kh\u00e1 tr\u1ef1c quan, nh\u01b0ng quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1ecdn \u0111\u00fang ch\u1ebf \u0111\u1ed9 <em>Allow<\/em> ho\u1eb7c <em>Deny<\/em> \u0111\u1ec3 tr\u00e1nh t\u1ef1 kh\u00f3a thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh.<\/p>\n<h4><strong>Router ASUS<\/strong> (Ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi d\u00f9ng n\u00e2ng cao h\u01a1n)<\/h4>\n<ol>\n<li><strong>V\u00e0o C\u00e0i \u0111\u1eb7t Kh\u00f4ng d\u00e2y:<\/strong> \u0110\u0103ng nh\u1eadp v\u00e0 t\u00ecm \u0111\u1ebfn <strong>&#8220;Wireless&#8221;<\/strong> (M\u1ea1ng kh\u00f4ng d\u00e2y) trong menu ch\u00ednh.<\/li>\n<li><strong>Ch\u1ecdn L\u1ecdc MAC:<\/strong> Ch\u1ecdn tab <strong>&#8220;Wireless MAC Filter&#8221;<\/strong> (B\u1ed9 l\u1ecdc MAC Kh\u00f4ng d\u00e2y).<\/li>\n<li><strong>Ch\u1ecdn T\u1ea7n s\u1ed1:<\/strong> Ch\u1ecdn b\u0103ng t\u1ea7n b\u1ea1n mu\u1ed1n \u00e1p d\u1ee5ng (2.4 GHz ho\u1eb7c 5 GHz).<\/li>\n<li><strong>K\u00edch ho\u1ea1t L\u1ecdc:<\/strong> \u0110\u1eb7t <code>MAC Filter Mode<\/code> (Ch\u1ebf \u0111\u1ed9 L\u1ecdc MAC) th\u00e0nh <code>Enable<\/code> (B\u1eadt).<\/li>\n<li><strong>Thi\u1ebft l\u1eadp Ch\u1ebf \u0111\u1ed9:<\/strong>\n<ul>\n<li><code>Accept<\/code> (Ch\u1ea5p nh\u1eadn): Thi\u1ebft l\u1eadp <strong>danh s\u00e1ch tr\u1eafng<\/strong>.<\/li>\n<li><code>Reject<\/code> (T\u1eeb ch\u1ed1i): Thi\u1ebft l\u1eadp <strong>danh s\u00e1ch \u0111en<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Nh\u1eadp \u0110\u1ecba ch\u1ec9:<\/strong> Nh\u1eadp <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> v\u00e0o \u00f4 t\u01b0\u01a1ng \u1ee9ng v\u00e0 th\u00eam m\u00f4 t\u1ea3.<\/li>\n<li><strong>\u00c1p d\u1ee5ng:<\/strong> Nh\u1ea5p v\u00e0o <code>Apply<\/code> (\u00c1p d\u1ee5ng) \u0111\u1ec3 l\u01b0u l\u1ea1i <strong>c\u1ea5u h\u00ecnh MAC filtering<\/strong>.<\/li>\n<\/ol>\n<h4><strong>Router D-Link \/ Tenda<\/strong> (C\u00e1c h\u00e3ng ph\u1ed5 th\u00f4ng)<\/h4>\n<p>Quy tr\u00ecnh tr\u00ean c\u00e1c h\u00e3ng n\u00e0y t\u01b0\u01a1ng t\u1ef1, th\u01b0\u1eddng n\u1eb1m trong m\u1ee5c <strong>&#8220;Advanced&#8221;<\/strong> (N\u00e2ng cao) \u2192 &#8220;<strong>Network Filter<\/strong>&#8221; (B\u1ed9 l\u1ecdc M\u1ea1ng) ho\u1eb7c &#8220;<strong>Access Control<\/strong>&#8221; (Ki\u1ec3m so\u00e1t Truy c\u1eadp).<\/p>\n<p>Ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u01b0u \u00fd r\u1eb1ng, n\u1ebfu \u0111\u00e3 ch\u1ecdn ch\u1ebf \u0111\u1ed9 <strong>danh s\u00e1ch tr\u1eafng<\/strong> (Whitelist), b\u1ea1n ph\u1ea3i <strong>th\u00eam t\u1ea5t c\u1ea3<\/strong> c\u00e1c thi\u1ebft b\u1ecb \u0111ang s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh v\u00e0o danh s\u00e1ch tr\u01b0\u1edbc khi l\u01b0u. N\u1ebfu kh\u00f4ng, thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb <strong>MAC filtering<\/strong> ch\u1eb7n truy c\u1eadp ngay l\u1eadp t\u1ee9c. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn khi <strong>h\u01b0\u1edbng d\u1eabn l\u1ecdc mac wifi<\/strong> kh\u00f4ng \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t.<\/p>\n<figure id=\"attachment_34159\" aria-describedby=\"caption-attachment-34159\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34159\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Thiet-lap-MAC-filtering-tren-cac-loai-router.jpg\" alt=\"Thi\u1ebft l\u1eadp MAC filtering tr\u00ean c\u00e1c lo\u1ea1i router\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Thiet-lap-MAC-filtering-tren-cac-loai-router.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Thiet-lap-MAC-filtering-tren-cac-loai-router-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Thiet-lap-MAC-filtering-tren-cac-loai-router-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-34159\" class=\"wp-caption-text\">Thi\u1ebft l\u1eadp MAC filtering tr\u00ean c\u00e1c lo\u1ea1i router<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Luu-y-bao-mat-khi-su-dung-MAC-filtering\"><\/span>L\u01b0u \u00fd b\u1ea3o m\u1eadt khi s\u1eed d\u1ee5ng MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi \u0111\u00e3 th\u1ea5y <strong>h\u1ea1n ch\u1ebf mac filtering<\/strong> qua l\u1ed7 h\u1ed5ng <strong>MAC Spoofing<\/strong>, r\u00f5 r\u00e0ng <strong>MAC filtering c\u00f3 an to\u00e0n kh\u00f4ng<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch b\u1ea1n s\u1eed d\u1ee5ng n\u00f3.\u00a0<strong>MAC filtering<\/strong> kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt ch\u00ednh. N\u00f3 ch\u1ec9 n\u00ean l\u00e0 m\u1ed9t &#8220;h\u00e0ng r\u00e0o b\u1ed5 sung&#8221; k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t giao th\u1ee9c b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd h\u01a1n.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c l\u01b0u \u00fd b\u1ea3o m\u1eadt c\u1ed1t l\u00f5i khi s\u1eed d\u1ee5ng <strong>MAC filtering<\/strong>:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Luon-ket-hop-voi-ma-hoa-manh-WPA2WPA3\"><\/span>Lu\u00f4n k\u1ebft h\u1ee3p v\u1edbi m\u00e3 h\u00f3a m\u1ea1nh (WPA2\/WPA3)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 quy t\u1eafc v\u00e0ng. <strong>MAC filtering<\/strong> ch\u1ec9 l\u00e0 l\u1edbp ki\u1ec3m so\u00e1t truy c\u1eadp, nh\u01b0ng m\u00e3 h\u00f3a WPA2 (ho\u1eb7c t\u1ed1t h\u01a1n l\u00e0 WPA3) m\u1edbi l\u00e0 l\u1edbp b\u1ea3o m\u1eadt th\u1ef1c s\u1ef1 ng\u0103n ch\u1eb7n vi\u1ec7c \u0111\u1ecdc tr\u1ed9m d\u1eef li\u1ec7u v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force v\u00e0o m\u1eadt kh\u1ea9u.<\/p>\n<p>H\u00e3y s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u m\u1ea1nh, d\u00e0i (t\u1ed1i thi\u1ec3u 12 k\u00fd t\u1ef1, bao g\u1ed3m ch\u1eef hoa, ch\u1eef th\u01b0\u1eddng, s\u1ed1, k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t) k\u1ebft h\u1ee3p v\u1edbi <strong>MAC filtering<\/strong> \u1edf ch\u1ebf \u0111\u1ed9 <strong>danh s\u00e1ch tr\u1eafng<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khong-cong-khai-danh-sach-MAC\"><\/span>Kh\u00f4ng c\u00f4ng khai danh s\u00e1ch MAC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng n\u00ean hi\u1ec3n th\u1ecb ho\u1eb7c chia s\u1ebb <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00e9p trong m\u1ea1ng c\u1ee7a b\u1ea1n. K\u1ebb t\u1ea5n c\u00f4ng ch\u1ec9 c\u1ea7n m\u1ed9t trong s\u1ed1 c\u00e1c \u0111\u1ecba ch\u1ec9 h\u1ee3p l\u1ec7 n\u00e0y \u0111\u1ec3 th\u1ef1c hi\u1ec7n <strong>MAC Spoofing<\/strong> v\u00e0 v\u01b0\u1ee3t qua b\u1ed9 l\u1ecdc c\u1ee7a b\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can-nhac-MAC-Filtering-cho-Mang-Khach\"><\/span>C\u00e2n nh\u1eafc MAC Filtering cho M\u1ea1ng Kh\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u00e1nh s\u1eed d\u1ee5ng <strong>MAC filtering<\/strong> cho m\u1ea1ng ch\u00ednh c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb di \u0111\u1ed9ng ra v\u00e0o th\u01b0\u1eddng xuy\u00ean. Thay v\u00e0o \u0111\u00f3, h\u00e3y \u01b0u ti\u00ean \u00e1p d\u1ee5ng n\u00f3 cho m\u1ea1ng Kh\u00e1ch (Guest Network) ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb IoT c\u1ed1 \u0111\u1ecbnh. Vi\u1ec7c n\u00e0y gi\u00fap gi\u1ea3m g\u00e1nh n\u1eb7ng qu\u1ea3n l\u00fd v\u00e0 t\u1eadp trung s\u1ef1 b\u1ea3o v\u1ec7 v\u00e0o c\u00e1c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng quan tr\u1ecdng h\u01a1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Luon-cap-nhat-Firmware-Router\"><\/span>Lu\u00f4n c\u1eadp nh\u1eadt Firmware Router<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb <strong>l\u1ecdc \u0111\u1ecba ch\u1ec9 MAC<\/strong> m\u00e0 c\u00f2n t\u1eeb ch\u00ednh router. H\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n lu\u00f4n c\u1eadp nh\u1eadt firmware (ph\u1ea7n m\u1ec1m \u0111i\u1ec1u khi\u1ec3n) c\u1ee7a <strong>router wifi<\/strong> \u0111\u1ec3 v\u00e1 c\u00e1c l\u1ed7 h\u1ed5ng \u0111\u00e3 bi\u1ebft, t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt.<\/p>\n<figure id=\"attachment_34160\" aria-describedby=\"caption-attachment-34160\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34160\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Luu-y-bao-mat-khi-su-dung-MAC-filtering.jpg\" alt=\"L\u01b0u \u00fd b\u1ea3o m\u1eadt khi s\u1eed d\u1ee5ng MAC filtering\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Luu-y-bao-mat-khi-su-dung-MAC-filtering.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Luu-y-bao-mat-khi-su-dung-MAC-filtering-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Luu-y-bao-mat-khi-su-dung-MAC-filtering-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-34160\" class=\"wp-caption-text\">L\u01b0u \u00fd b\u1ea3o m\u1eadt khi s\u1eed d\u1ee5ng MAC filtering<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Xu-ly-su-co-thuong-gap-voi-MAC-filtering\"><\/span>X\u1eed l\u00fd s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi MAC filtering<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n <strong>c\u1ea5u h\u00ecnh MAC filtering<\/strong>, h\u1ecd r\u1ea5t d\u1ec5 g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt khi\u1ebfn thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t (\u0111\u00e1p \u1ee9ng t\u1eeb kh\u00f3a Google Suggest).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Su-co-Thiet-bi-cua-toi-khong-vao-duoc-mang-sau-khi-cai-dat\"><\/span>S\u1ef1 c\u1ed1: Thi\u1ebft b\u1ecb c\u1ee7a t\u00f4i kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c m\u1ea1ng sau khi c\u00e0i \u0111\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t, th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn t\u1eeb kh\u00f3a <strong>mac filtering kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c m\u1ea1ng<\/strong>.<\/p>\n<p><strong>Nguy\u00ean nh\u00e2n:<\/strong><\/p>\n<ul>\n<li>B\u1ea1n \u0111ang \u1edf ch\u1ebf \u0111\u1ed9 <strong>Danh s\u00e1ch tr\u1eafng<\/strong> nh\u01b0ng qu\u00ean ch\u01b0a th\u00eam <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> c\u1ee7a thi\u1ebft b\u1ecb \u0111ang d\u00f9ng.<\/li>\n<li>B\u1ea1n \u0111\u00e3 nh\u1eadp sai <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> (m\u1ed9t k\u00fd t\u1ef1 sai l\u00e0 b\u1ed9 l\u1ecdc s\u1ebd t\u1eeb ch\u1ed1i).<\/li>\n<li>Thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u1ee7a b\u1ea1n (iPhone\/Android) \u0111ang b\u1eadt t\u00ednh n\u0103ng &#8220;S\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 MAC ri\u00eang t\u01b0&#8221; (Private Wi-Fi Address), khi\u1ebfn <strong>\u0111\u1ecba ch\u1ec9 v\u1eadt l\u00fd<\/strong> thay \u0111\u1ed5i ng\u1eabu nhi\u00ean.<\/li>\n<\/ul>\n<p><strong>C\u00e1ch X\u1eed l\u00fd:<\/strong><\/p>\n<ul>\n<li><strong>Ki\u1ec3m tra l\u1ea1i:<\/strong> \u0110\u0103ng nh\u1eadp l\u1ea1i v\u00e0o router b\u1eb1ng c\u00e1p m\u1ea1ng (LAN) \u0111\u1ec3 lo\u1ea1i tr\u1eeb r\u1ee7i ro m\u1ea5t k\u1ebft n\u1ed1i Wi-Fi. Ki\u1ec3m tra l\u1ea1i <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> \u0111\u00e3 nh\u1eadp li\u1ec7u, \u0111\u1ea3m b\u1ea3o ch\u00fang kh\u1edbp t\u1eebng k\u00fd t\u1ef1.<\/li>\n<li><strong>T\u1eaft \u0110\u1ecba ch\u1ec9 MAC Ri\u00eang t\u01b0:<\/strong> Bu\u1ed9c thi\u1ebft b\u1ecb di \u0111\u1ed9ng s\u1eed d\u1ee5ng <strong>\u0111\u1ecba ch\u1ec9 v\u1eadt l\u00fd<\/strong> c\u1ed1 \u0111\u1ecbnh cho m\u1ea1ng c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Su-co-Qua-nhieu-thiet-bi-moi-viec-them-thu-cong-rat-mat-thoi-gian\"><\/span>S\u1ef1 c\u1ed1: Qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb m\u1edbi, vi\u1ec7c th\u00eam th\u1ee7 c\u00f4ng r\u1ea5t m\u1ea5t th\u1eddi gian<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Nguy\u00ean nh\u00e2n:<\/strong> <strong>MAC filtering<\/strong> kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho m\u1ea1ng c\u00f3 t\u00ednh \u0111\u1ed9ng cao.<\/p>\n<p><strong>C\u00e1ch X\u1eed l\u00fd (Thay th\u1ebf):<\/strong><\/p>\n<ul>\n<li>N\u1ebfu b\u1ea1n c\u1ea7n ki\u1ec3m so\u00e1t ng\u01b0\u1eddi d\u00f9ng m\u1edbi, h\u00e3y t\u1eaft <strong>MAC filtering<\/strong> v\u00e0 chuy\u1ec3n sang s\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>L\u1ecbch tr\u00ecnh truy c\u1eadp (Access Scheduling)<\/strong> d\u1ef1a tr\u00ean <strong>\u0111\u1ecba ch\u1ec9 MAC<\/strong> (ch\u1ec9 l\u1ecdc theo th\u1eddi gian, kh\u00f4ng l\u1ecdc 24\/7).<\/li>\n<li>Xem x\u00e9t s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p x\u00e1c th\u1ef1c c\u1ed5ng th\u00f4ng tin (Captive Portal) cho m\u1ea1ng kh\u00e1ch.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Su-co-Toi-muon-go-bo-hoan-toan-MAC-Filtering\"><\/span>S\u1ef1 c\u1ed1: T\u00f4i mu\u1ed1n g\u1ee1 b\u1ecf ho\u00e0n to\u00e0n MAC Filtering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 nhu c\u1ea7u t\u00ecm ki\u1ebfm cho t\u1eeb kh\u00f3a <strong>c\u00e1ch t\u1eaft mac filtering<\/strong>.<\/p>\n<p><strong>C\u00e1ch X\u1eed l\u00fd:<\/strong><\/p>\n<ol>\n<li>\u0110\u0103ng nh\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n tr\u1ecb router.<\/li>\n<li>T\u00ecm \u0111\u1ebfn m\u1ee5c <strong>&#8220;Wireless MAC Filtering&#8221;<\/strong> (L\u1ecdc MAC Kh\u00f4ng d\u00e2y).<\/li>\n<li>Ch\u1ecdn <code>Disable<\/code> (T\u1eaft) ho\u1eb7c <code>Off<\/code> (T\u1eaft) thay v\u00ec <code>Enable<\/code>.<\/li>\n<li>L\u01b0u l\u1ea1i <strong>c\u1ea5u h\u00ecnh MAC filtering<\/strong> v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i router. Vi\u1ec7c n\u00e0y s\u1ebd \u0111\u01b0a m\u1ea1ng c\u1ee7a b\u1ea1n tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i b\u1ea3o m\u1eadt ti\u00eau chu\u1ea9n d\u1ef1a tr\u00ean m\u1eadt kh\u1ea9u.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Su-co-Toi-can-chan-truy-cap-Internet-nhung-van-cho-phep-mang-noi-bo\"><\/span>S\u1ef1 c\u1ed1: T\u00f4i c\u1ea7n ch\u1eb7n truy c\u1eadp Internet nh\u01b0ng v\u1eabn cho ph\u00e9p m\u1ea1ng n\u1ed9i b\u1ed9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Nguy\u00ean nh\u00e2n:<\/strong> <strong>MAC filtering<\/strong> th\u01b0\u1eddng ch\u1ec9 c\u00f3 hai l\u1ef1a ch\u1ecdn (Allow\/Deny truy c\u1eadp m\u1ea1ng n\u00f3i chung).<\/p>\n<p><strong>C\u00e1ch X\u1eed l\u00fd (N\u00e2ng cao):<\/strong><\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>IP Filtering<\/strong> k\u1ebft h\u1ee3p. Cho ph\u00e9p thi\u1ebft b\u1ecb b\u1eb1ng <strong>MAC filtering<\/strong>, sau \u0111\u00f3 s\u1eed d\u1ee5ng <strong>IP Filtering<\/strong> \u0111\u1ec3 ch\u1eb7n d\u1ea3i IP b\u00ean ngo\u00e0i (Internet) nh\u01b0ng v\u1eabn cho ph\u00e9p d\u1ea3i IP n\u1ed9i b\u1ed9. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng IP t\u0129nh.<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 nh\u1eefng gi\u1ea3i ph\u00e1p c\u0103n b\u1ea3n \u0111\u1ec3 <strong>x\u1eed l\u00fd l\u1ed7i mac filtering<\/strong> v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e1t sinh sau khi tri\u1ec3n khai, gi\u00fap ng\u01b0\u1eddi d\u00f9ng duy tr\u00ec m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<figure id=\"attachment_34162\" aria-describedby=\"caption-attachment-34162\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34162\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Xu-ly-su-co-voi-MAC-filtering.jpg\" alt=\"X\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u1edbi MAC filtering\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Xu-ly-su-co-voi-MAC-filtering.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Xu-ly-su-co-voi-MAC-filtering-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/10\/Xu-ly-su-co-voi-MAC-filtering-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-34162\" class=\"wp-caption-text\">X\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u1edbi MAC filtering<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Tong-ket\"><\/span>T\u1ed5ng k\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>MAC filtering<\/strong> l\u00e0 m\u1ed9t l\u1edbp ph\u00f2ng th\u1ee7 h\u1eefu \u00edch \u1edf t\u1ea7ng v\u1eadt l\u00fd, cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t truy c\u1eadp thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch tr\u1ef1c quan, \u0111\u1eb7c bi\u1ec7t gi\u00e1 tr\u1ecb trong c\u00e1c m\u00f4i tr\u01b0\u1eddng nh\u1ecf, c\u1ed1 \u0111\u1ecbnh.<\/p>\n<p>Tuy nhi\u00ean, do s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a k\u1ef9 thu\u1eadt MAC Spoofing, MAC filtering kh\u00f4ng bao gi\u1edd n\u00ean l\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt duy nh\u1ea5t c\u1ee7a b\u1ea1n. <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong> <\/a>lu\u00f4n khuy\u1ebfn ngh\u1ecb ng\u01b0\u1eddi d\u00f9ng k\u1ebft h\u1ee3p vi\u1ec7c <strong>l\u1ecdc \u0111\u1ecba ch\u1ec9 MAC<\/strong> (\u1edf ch\u1ebf \u0111\u1ed9 danh s\u00e1ch tr\u1eafng nghi\u00eam ng\u1eb7t) v\u1edbi c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd nh\u01b0 WPA3 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00f2ng th\u1ee7 \u0111a t\u1ea7ng ki\u00ean c\u1ed1.<\/p>\n<p>H\u00e3y s\u1eed d\u1ee5ng ki\u1ebfn th\u1ee9c n\u00e0y \u0111\u1ec3 \u00e1p d\u1ee5ng v\u00e0 t\u00f9y ch\u1ec9nh c\u1ea5u h\u00ecnh MAC filtering sao cho ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u b\u1ea3o m\u1eadt m\u1ea1ng v\u00e0 ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. N\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 vi\u1ec7c thi\u1ebft l\u1eadp MAC filtering, \u0111\u1eebng ng\u1ea7n ng\u1ea1i \u0111\u1ec3 l\u1ea1i c\u00e2u h\u1ecfi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MAC filtering l\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1ng hi\u1ec7u qu\u1ea3 gi\u00fap ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i qua Wi-Fi ho\u1eb7c m\u1ea1ng LAN. B\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd gi\u1edbi thi\u1ec7u t\u00ednh n\u0103ng MAC filtering l\u00e0 g\u00ec, c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a MAC filtering, c\u00e1c ch\u1ebf \u0111\u1ed9 danh s\u00e1ch tr\u1eafng\/\u0111en, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 c\u00e1ch c\u1ea5u<\/p>\n","protected":false},"author":11,"featured_media":34163,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[],"class_list":["post-34137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat-an-ninh-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/34137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=34137"}],"version-history":[{"count":11,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/34137\/revisions"}],"predecessor-version":[{"id":34277,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/34137\/revisions\/34277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/34163"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=34137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=34137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=34137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}