{"id":479714,"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":"wpa2","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/wpa2\/","title":{"rendered":"WPA2"},"content":{"rendered":"<p>Wi-Fi Protected Access 2, hay WPA2, l\u00e0 m\u1ed9t giao th\u1ee9c b\u1ea3o m\u1eadt v\u00e0 ti\u00eau chu\u1ea9n hi\u1ec7n t\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00e3 h\u00f3a v\u00e0 b\u1ea3o v\u1ec7 m\u1ea1ng kh\u00f4ng d\u00e2y. N\u00f3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u1ee7a phi\u00ean b\u1ea3n ti\u1ec1n nhi\u1ec7m, WPA (Truy c\u1eadp \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 Wi-Fi), cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a d\u1eef li\u1ec7u m\u1ea1nh.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a WPA2 v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>WPA2 \u0111\u01b0\u1ee3c Wi-Fi Alliance ch\u00ednh th\u1ee9c gi\u1edbi thi\u1ec7u v\u00e0o th\u00e1ng 9 n\u0103m 2004. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c l\u1ed7 h\u1ed5ng trong WPA v\u00e0 giao th\u1ee9c WEP (Wired Equivalent Privacy) tr\u01b0\u1edbc \u0111\u00f3. WPA2 l\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ea7u ti\u00ean s\u1eed d\u1ee5ng Ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a n\u00e2ng cao (AES) v\u00e0 nhanh ch\u00f3ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00e0m ph\u01b0\u01a1ng ph\u00e1p \u01b0u ti\u00ean \u0111\u1ec3 b\u1ea3o m\u1eadt m\u1ea1ng kh\u00f4ng d\u00e2y.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 WPA2: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 WPA2<\/h2>\n<p>WPA2 l\u00e0 giao th\u1ee9c m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o m\u1eadt c\u00e1c k\u1ebft n\u1ed1i Wi-Fi. N\u00f3 s\u1eed d\u1ee5ng m\u00e3 h\u00f3a AES v\u00e0 CCMP (Giao th\u1ee9c m\u00e3 x\u00e1c th\u1ef1c tin nh\u1eafn chu\u1ed7i kh\u1ed1i ch\u1ebf \u0111\u1ed9 truy c\u1eadp) l\u00e0m c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i.<\/p>\n<h3>Th\u00e0nh ph\u1ea7n ch\u00ednh:<\/h3>\n<ol>\n<li><strong>AES:<\/strong> M\u1ed9t thu\u1eadt to\u00e1n m\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi coi l\u00e0 kh\u00f4ng th\u1ec3 ph\u00e1 v\u1ee1 \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>CCMP:<\/strong> M\u1ed9t giao th\u1ee9c b\u1ea3o m\u1eadt s\u1eed d\u1ee5ng AES \u0111\u1ec3 b\u1ea3o m\u1eadt v\u00e0 to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<p>WPA2 ho\u1ea1t \u0111\u1ed9ng \u1edf hai ch\u1ebf \u0111\u1ed9 kh\u00e1c nhau:<\/p>\n<ul>\n<li>WPA2-Personal (c\u00f2n g\u1ecdi l\u00e0 WPA2-PSK): S\u1eed d\u1ee5ng kh\u00f3a chia s\u1ebb tr\u01b0\u1edbc (PSK).<\/li>\n<li>WPA2-Enterprise: Y\u00eau c\u1ea7u x\u00e1c th\u1ef1c th\u00f4ng qua m\u00e1y ch\u1ee7, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kinh doanh.<\/li>\n<\/ul>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a WPA2: WPA2 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<ol>\n<li><strong>Giai \u0111o\u1ea1n x\u00e1c th\u1ef1c:<\/strong> M\u00e1y kh\u00e1ch v\u00e0 m\u1ea1ng x\u00e1c th\u1ef1c l\u1eabn nhau.<\/li>\n<li><strong>B\u1eaft tay ch\u00ednh:<\/strong> Kh\u00f3a an to\u00e0n \u0111\u01b0\u1ee3c trao \u0111\u1ed5i v\u00e0 thi\u1ebft l\u1eadp.<\/li>\n<li><strong>Giai \u0111o\u1ea1n m\u00e3 h\u00f3a:<\/strong> D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1eb1ng c\u00e1c kh\u00f3a thu \u0111\u01b0\u1ee3c t\u1eeb qu\u00e1 tr\u00ecnh b\u1eaft tay.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a WPA2<\/h2>\n<ul>\n<li><strong>M\u00e3 h\u00f3a m\u1ea1nh:<\/strong> S\u1eed d\u1ee5ng AES, m\u1ed9t ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd.<\/li>\n<li><strong>T\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/strong> CCMP \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb gi\u1ea3 m\u1ea1o.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch:<\/strong> Ho\u1ea1t \u0111\u1ed9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00f4ng d\u00e2y hi\u1ec7n \u0111\u1ea1i.<\/li>\n<li><strong>X\u00e1c th\u1ef1c m\u1ea1ng:<\/strong> Cho ph\u00e9p ki\u1ec3m so\u00e1t truy c\u1eadp an to\u00e0n.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i WPA2: S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft<\/h2>\n<table>\n<thead>\n<tr>\n<th>C\u00e1ch th\u1ee9c<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>WPA2-C\u00e1 nh\u00e2n<\/td>\n<td>S\u1eed d\u1ee5ng kh\u00f3a chia s\u1ebb tr\u01b0\u1edbc, ph\u00f9 h\u1ee3p v\u1edbi m\u1ea1ng gia \u0111\u00ecnh.<\/td>\n<\/tr>\n<tr>\n<td>WPA2-Doanh nghi\u1ec7p<\/td>\n<td>Y\u00eau c\u1ea7u x\u00e1c th\u1ef1c m\u00e1y ch\u1ee7, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kinh doanh.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng WPA2, 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<h3>C\u00f4ng d\u1ee5ng:<\/h3>\n<ul>\n<li>B\u1ea3o m\u1eadt m\u1ea1ng Wi-Fi gia \u0111\u00ecnh<\/li>\n<li>B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng Wi-Fi c\u1ee7a c\u00f4ng ty<\/li>\n<\/ul>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/h3>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> L\u1ed7 h\u1ed5ng \u0111\u1ec3 t\u1ea5n c\u00f4ng v\u0169 phu v\u00e0o m\u1eadt kh\u1ea9u y\u1ebfu.\n<ul>\n<li><strong>Gi\u1ea3i ph\u00e1p:<\/strong> Th\u1ef1c hi\u1ec7n m\u1eadt kh\u1ea9u m\u1ea1nh, ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n<\/li>\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.\n<ul>\n<li><strong>Gi\u1ea3i ph\u00e1p:<\/strong> \u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ec3 h\u1ed7 tr\u1ee3 WPA2.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>WEP<\/th>\n<th>WPA<\/th>\n<th>WPA2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thu\u1eadt to\u00e1n m\u00e3 h\u00f3a<\/td>\n<td>RC4<\/td>\n<td>TKIP<\/td>\n<td>AES<\/td>\n<\/tr>\n<tr>\n<td>To\u00e0n v\u1eb9n d\u1eef li\u1ec7u<\/td>\n<td>Y\u1ebfu \u0111u\u1ed1i<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>M\u1ea1nh<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c th\u1ef1c<\/td>\n<td>Ch\u00eca kh\u00f3a \u0111\u01a1n<\/td>\n<td>PSK\/M\u00e1y ch\u1ee7<\/td>\n<td>PSK\/M\u00e1y ch\u1ee7<\/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 WPA2<\/h2>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a WPA2 \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 ra \u0111\u1eddi c\u1ee7a WPA3, c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa t\u00ednh b\u1ea3o m\u1eadt. Tuy nhi\u00ean, WPA2 v\u1eabn ph\u00f9 h\u1ee3p v\u00e0 c\u00f3 th\u1ec3 s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 c\u00f9ng v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi h\u01a1n.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi WPA2<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi WPA2 \u0111\u1ec3 th\u00eam l\u1edbp b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 b\u1ed5 sung. WPA2 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i an to\u00e0n v\u1edbi m\u1ea1ng Wi-Fi, trong khi m\u00e1y ch\u1ee7 proxy cung c\u1ea5p t\u00ednh n\u0103ng \u1ea9n danh v\u00e0 l\u1ecdc n\u1ed9i dung, t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt m\u1ea1ng t\u1ed5ng th\u1ec3.<\/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 WPA2<\/a><\/li>\n<li><a href=\"https:\/\/nvlpubs.nist.gov\/nistpubs\/FIPS\/NIST.FIPS.197.pdf\" target=\"_new\" rel=\"noopener nofollow\">Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia \u2013 AES<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">OneProxy \u2013 Gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt n\u00e2ng cao<\/a><\/li>\n<\/ul>\n<hr>\n<p>L\u01b0u \u00fd: B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m cung c\u1ea5p th\u00f4ng tin t\u1ed5ng quan v\u1ec1 WPA2 nh\u1eb1m m\u1ee5c \u0111\u00edch cung c\u1ea5p th\u00f4ng tin. C\u00e1c y\u00eau c\u1ea7u b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 kh\u00e1c nhau t\u00f9y theo nhu c\u1ea7u c\u1ee5 th\u1ec3 v\u00e0 th\u01b0\u1eddng n\u00ean tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a chuy\u00ean gia b\u1ea3o m\u1eadt m\u1ea1ng.<\/p>","protected":false},"featured_media":470966,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479714","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Wi-Fi Protected Access 2 (WPA2)<\/mark>","faq_items":[{"question":"What is Wi-Fi Protected Access 2 (WPA2)?","answer":"<p>Wi-Fi Protected Access 2, or WPA2, is a security protocol used to encrypt and protect wireless networks. It's the current standard that provides robust data protection by utilizing strong data encryption protocols, like Advanced Encryption Standard (AES).<\/p>"},{"question":"How was WPA2 first introduced, and when?","answer":"<p>WPA2 was officially introduced by the Wi-Fi Alliance in September 2004. It was developed to replace the earlier WPA standard and addressed the vulnerabilities in WPA and WEP by using AES encryption.<\/p>"},{"question":"What are the main components of WPA2?","answer":"<p>The main components of WPA2 are AES, a symmetric encryption algorithm, and CCMP (Counter Mode Cipher Block Chaining Message Authentication Code Protocol), a security protocol that uses AES for data confidentiality and integrity.<\/p>"},{"question":"What are the different modes in which WPA2 operates?","answer":"<p>WPA2 operates in two different modes: WPA2-Personal, which uses a pre-shared key (PSK) suitable for home networks, and WPA2-Enterprise, which requires server authentication and is typically used in business environments.<\/p>"},{"question":"How does WPA2 work?","answer":"<p>WPA2 works through a three-phase process. First, the client and network authenticate each other. Second, secure keys are exchanged and established during the key handshake. Lastly, data is encrypted using keys derived from the handshake process.<\/p>"},{"question":"What are the key features of WPA2?","answer":"<p>Key features of WPA2 include strong encryption using AES, improved data integrity through CCMP, compatibility with most modern wireless network devices, and robust network authentication.<\/p>"},{"question":"What problems might be encountered with WPA2, and how can they be solved?","answer":"<p>Potential problems with WPA2 include vulnerability to brute force attacks on weak passwords and compatibility with legacy devices. These can be solved by implementing strong, complex passwords and ensuring that all devices are updated to support WPA2.<\/p>"},{"question":"How does WPA2 compare to other similar terms like WPA and WEP?","answer":"<p>WPA2 uses the AES encryption algorithm, providing stronger data integrity and authentication compared to WPA's TKIP and WEP's RC4. WPA2 is generally considered the most secure among these three protocols.<\/p>"},{"question":"What are the future perspectives related to WPA2?","answer":"<p>The future of WPA2 includes continued relevance alongside newer technologies like WPA3. WPA2 will likely continue to be supported as security protocols evolve further.<\/p>"},{"question":"How can proxy servers be associated with WPA2?","answer":"<p>Proxy servers can be used in conjunction with WPA2 to add an additional layer of security and privacy. WPA2 secures the connection to the Wi-Fi network, while a proxy server provides anonymity and content filtering.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479714","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\/479714\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/470966"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}