{"id":479711,"date":"2023-08-09T10:43:48","date_gmt":"2023-08-09T10:43:48","guid":{"rendered":""},"modified":"2023-09-05T11:19:25","modified_gmt":"2023-09-05T11:19:25","slug":"wpa","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/wpa\/","title":{"rendered":"WPA"},"content":{"rendered":"<p>Wi-Fi Protected Access (WPA) l\u00e0 m\u1ed9t giao th\u1ee9c b\u1ea3o m\u1eadt v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh ch\u1ee9ng nh\u1eadn b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Wi-Fi Alliance \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ea1ng m\u00e1y t\u00ednh kh\u00f4ng d\u00e2y. WPA \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u1ee7a WEP (Quy\u1ec1n ri\u00eang t\u01b0 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u00f3 d\u00e2y) b\u1eb1ng c\u00e1ch cung c\u1ea5p m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00e0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a WPA v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>WPA \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2003 nh\u01b0 m\u1ed9t ti\u00eau chu\u1ea9n t\u1ea1m th\u1eddi \u0111\u1ec3 thay th\u1ebf WEP, \u0111\u01b0\u1ee3c cho l\u00e0 d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng b\u1edfi nhi\u1ec1u cu\u1ed9c t\u1ea5n c\u00f4ng kh\u00e1c nhau. N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng \u0111i\u1ec3m y\u1ebfu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong WEP, m\u1ed9t n\u1ed7 l\u1ef1c tr\u01b0\u1edbc \u0111\u00f3 nh\u1eb1m b\u1ea3o m\u1eadt c\u00e1c m\u1ea1ng kh\u00f4ng d\u00e2y c\u00f3 l\u1ed7 h\u1ed5ng nghi\u00eam tr\u1ecdng. WPA \u0111\u00e3 \u0111\u01b0\u1ee3c Li\u00ean minh Wi-Fi ch\u00ednh th\u1ee9c \u00e1p d\u1ee5ng l\u00e0m ti\u00eau chu\u1ea9n cho b\u1ea3o m\u1eadt Wi-Fi.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 WPA: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1<\/h2>\n<p>WPA nh\u1eb1m m\u1ee5c \u0111\u00edch cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd h\u01a1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a d\u1eef li\u1ec7u ti\u00ean ti\u1ebfn v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng. N\u00f3 gi\u1ea3i quy\u1ebft nhi\u1ec1u l\u1ed7 h\u1ed5ng c\u00f3 trong WEP v\u00e0 cung c\u1ea5p m\u1ed9t khung b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd h\u01a1n. M\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a WPA bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>TKIP (Giao th\u1ee9c to\u00e0n v\u1eb9n kh\u00f3a t\u1ea1m th\u1eddi):<\/strong> \u0110\u01b0\u1ee3c gi\u1edbi thi\u1ec7u \u0111\u1ec3 thay th\u1ebf thu\u1eadt to\u00e1n m\u00e3 h\u00f3a c\u1ee7a WEP, n\u00e2ng cao t\u00ednh b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd kh\u00f3a \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/strong> Cung c\u1ea5p kh\u1ea3 n\u0103ng t\u1ea1o kh\u00f3a \u0111\u1ed9ng, l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 b\u1ea3o m\u1eadt.<\/li>\n<li><strong>X\u00e1c th\u1ef1c:<\/strong> S\u1eed d\u1ee5ng Giao th\u1ee9c x\u00e1c th\u1ef1c m\u1edf r\u1ed9ng (EAP) \u0111\u1ec3 cung c\u1ea5p x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a WPA: WPA ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a WPA d\u1ef1a tr\u00ean m\u1ed9t lo\u1ea1t c\u00e1c b\u01b0\u1edbc v\u00e0 giao th\u1ee9c \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt:<\/p>\n<ol>\n<li><strong>X\u00e1c th\u1ef1c:<\/strong> M\u00e1y kh\u00e1ch c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i ph\u1ea3i x\u00e1c th\u1ef1c v\u1edbi m\u00e1y ch\u1ee7, th\u01b0\u1eddng l\u00e0 m\u00e1y ch\u1ee7 RADIUS.<\/li>\n<li><strong>Trao \u0111\u1ed5i kh\u00f3a:<\/strong> Kh\u00f3a \u0111\u01b0\u1ee3c trao \u0111\u1ed5i gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 b\u1eb1ng c\u00e1ch b\u1eaft tay b\u1ed1n chi\u1ec1u.<\/li>\n<li><strong>M\u00e3 h\u00f3a:<\/strong> D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1eb1ng kh\u00f3a t\u1ea1m th\u1eddi, kh\u00f3a n\u00e0y thay \u0111\u1ed5i \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/li>\n<li><strong>Ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n:<\/strong> T\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1eb1ng c\u00e1ch ki\u1ec3m tra d\u1eef li\u1ec7u \u0111\u1ec3 t\u00ecm nh\u1eefng thay \u0111\u1ed5i tr\u00e1i ph\u00e9p.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a WPA<\/h2>\n<p>WPA cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng quan tr\u1ecdng, bao g\u1ed3m:<\/p>\n<ul>\n<li>Thu\u1eadt to\u00e1n m\u00e3 h\u00f3a m\u1ea1nh h\u01a1n<\/li>\n<li>C\u1ea3i thi\u1ec7n qu\u1ea3n l\u00fd kh\u00f3a<\/li>\n<li>X\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng n\u00e2ng cao<\/li>\n<li>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng hi\u1ec7n c\u00f3<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i WPA: S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<p>C\u00f3 hai lo\u1ea1i WPA ch\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<th>M\u00e3 h\u00f3a<\/th>\n<th>X\u00e1c th\u1ef1c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>WPA<\/td>\n<td>Phi\u00ean b\u1ea3n g\u1ed1c, \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2003<\/td>\n<td>TKIP<\/td>\n<td>EAP<\/td>\n<\/tr>\n<tr>\n<td>WPA2<\/td>\n<td>Phi\u00ean b\u1ea3n c\u1ea3i ti\u1ebfn, gi\u1edbi thi\u1ec7u n\u0103m 2006<\/td>\n<td>AES<\/td>\n<td>EAP n\u00e2ng cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng WPA, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>WPA ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ea1ng Wi-Fi trong c\u1ea3 m\u00f4i tr\u01b0\u1eddng gia \u0111\u00ecnh v\u00e0 doanh nghi\u1ec7p. M\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a thi\u1ebft b\u1ecb c\u0169<br \/>\n<strong>Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 h\u1ed7n h\u1ee3p, cho ph\u00e9p c\u1ea3 WPA v\u00e0 WEP<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> \u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a qu\u1ea3n l\u00fd kh\u00f3a<br \/>\n<strong>Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd m\u1ea1ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c xoay v\u00f2ng ph\u00edm<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>So s\u00e1nh WPA v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt kh\u00e1c:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>WPA<\/th>\n<th>WPA2<\/th>\n<th>WEP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u00e3 h\u00f3a<\/td>\n<td>TKIP<\/td>\n<td>AES<\/td>\n<td>RC4<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc ph\u00edm<\/td>\n<td>128-bit<\/td>\n<td>256-bit<\/td>\n<td>64\/128-bit<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p \u0111\u1ed9 b\u1ea3o m\u1eadt<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Cao<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn WPA<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, Li\u00ean minh Wi-Fi \u0111\u00e3 gi\u1edbi thi\u1ec7u WPA3, cung c\u1ea5p c\u00e1c c\u1ea3i ti\u1ebfn h\u01a1n n\u1eefa nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a m\u1ea1nh h\u01a1n v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn k\u1ebft n\u1ed1i \u0111\u01a1n gi\u1ea3n h\u00f3a. S\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 s\u1ebd t\u1eadp trung v\u00e0o vi\u1ec7c t\u00edch h\u1ee3p AI v\u00e0 h\u1ecdc m\u00e1y \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi WPA<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 trung gian cho c\u00e1c y\u00eau c\u1ea7u v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi WPA \u0111\u1ec3 t\u0103ng th\u00eam l\u1edbp b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ea3 WPA \u0111\u1ec3 m\u00e3 h\u00f3a v\u00e0 m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 \u1ea9n danh l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u1ea1ng th\u00e1i b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.wi-fi.org\/discover-wi-fi\/security\" target=\"_new\" rel=\"noopener nofollow\">Li\u00ean minh Wi-Fi \u2013 WPA<\/a><\/li>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/aironet-1250-series\/design_guide_c07-693245.html\" target=\"_new\" rel=\"noopener nofollow\">Cisco \u2013 T\u00ecm hi\u1ec3u WPA<\/a><\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/standard\/802_11i-2004.html\" target=\"_new\" rel=\"noopener nofollow\">IEEE \u2013 Chu\u1ea9n 802.11i<\/a><\/li>\n<\/ul>\n<p>B\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 l\u1ecbch s\u1eed, c\u1ea5u tr\u00fac, ch\u1ee9c n\u0103ng, lo\u1ea1i c\u1ee7a WPA v\u00e0 m\u1ed1i li\u00ean h\u1ec7 c\u1ee7a n\u00f3 v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 proxy. \u0110\u1ed9c gi\u1ea3 quan t\u00e2m \u0111\u1ebfn vi\u1ec7c b\u1ea3o m\u1eadt m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ee7a h\u1ecd s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i r\u1ea5t nhi\u1ec1u t\u1eeb vi\u1ec7c hi\u1ec3u v\u00e0 tri\u1ec3n khai c\u00e1c giao th\u1ee9c WPA, giao th\u1ee9c n\u00e0y ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i.<\/p>","protected":false},"featured_media":470964,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479711","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Wi-Fi Protected Access (WPA)<\/mark>","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479711","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479711\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/470964"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}