{"id":579944,"date":"2023-12-28T03:14:07","date_gmt":"2023-12-28T03:14:07","guid":{"rendered":"https:\/\/proxyelite.info\/glossary\/kerberos\/"},"modified":"2023-12-28T03:14:07","modified_gmt":"2023-12-28T03:14:07","slug":"kerberos","status":"publish","type":"glossary","link":"https:\/\/proxyelite.info\/vi\/glossary\/kerberos\/","title":{"rendered":"Kerberos"},"content":{"rendered":"<h2>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 Kerberos<\/h2>\n<p>Kerberos, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cgiao th\u1ee9c x\u00e1c th\u1ef1c m\u1ea1ng\u201d, l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p quy\u1ec1n truy c\u1eadp an to\u00e0n v\u00e0o t\u00e0i nguy\u00ean m\u1ea1ng. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi MIT nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a D\u1ef1 \u00e1n Athena, Kerberos \u0111\u00e3 tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c an to\u00e0n trong m\u1ea1ng m\u00e1y t\u00ednh.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Kerberos<\/h2>\n<p>Kerberos ho\u1ea1t \u0111\u1ed9ng tr\u00ean nguy\u00ean t\u1eafc x\u00e1c th\u1ef1c l\u1eabn nhau, c\u00f3 ngh\u0129a l\u00e0 c\u1ea3 ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 \u0111\u1ec1u x\u00e1c nh\u1eadn danh t\u00ednh c\u1ee7a nhau tr\u01b0\u1edbc khi thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i. Qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd n\u00e0y d\u1ef1a v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng kh\u00f3a m\u1eadt m\u00e3, khi\u1ebfn c\u00e1c c\u00e1 nh\u00e2n tr\u00e1i ph\u00e9p m\u1ea1o danh ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c m\u00e1y ch\u1ee7 tr\u1edf n\u00ean c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Kerberos<\/h2>\n<p>Kerberos t\u1ef1 h\u00e0o c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 trong vi\u1ec7c b\u1ea3o m\u1eadt th\u00f4ng tin li\u00ean l\u1ea1c m\u1ea1ng:<\/p>\n<h3>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Kerberos:<\/h3>\n<ol>\n<li>\n<p><strong>Ch\u1ee9ng th\u1ef1c l\u1eabn nhau<\/strong>: Kerberos \u0111\u1ea3m b\u1ea3o c\u1ea3 hai b\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c, gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u0103ng nh\u1eadp m\u1ed9t l\u1ea7n (SSO)<\/strong>: Ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp m\u1ed9t l\u1ea7n v\u00e0 c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o nhi\u1ec1u t\u00e0i nguy\u00ean m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n nh\u1eadp l\u1ea1i th\u00f4ng tin \u0111\u0103ng nh\u1eadp.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ef1a tr\u00ean v\u00e9<\/strong>: Thay v\u00ec truy\u1ec1n m\u1eadt kh\u1ea9u qua m\u1ea1ng, Kerberos s\u1eed d\u1ee5ng c\u00e1c v\u00e9 kh\u00f3 \u0111\u00e1nh ch\u1eb7n.<\/p>\n<\/li>\n<li>\n<p><strong>M\u00e3 h\u00f3a<\/strong>: T\u1ea5t c\u1ea3 th\u00f4ng tin li\u00ean l\u1ea1c trong h\u1ec7 th\u1ed1ng Kerberos \u0111\u1ec1u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, b\u1ea3o v\u1ec7 th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ed9 nh\u1ea1y th\u1eddi gian<\/strong>: V\u00e9 c\u00f3 th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng h\u1ea1n ch\u1ebf, gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p ngay c\u1ea3 khi v\u00e9 b\u1ecb ch\u1eb7n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i Kerberos<\/h2>\n<p>Kerberos \u0111\u00e3 ph\u00e1t tri\u1ec3n qua nhi\u1ec1u n\u0103m, t\u1ea1o ra nhi\u1ec1u phi\u00ean b\u1ea3n v\u00e0 c\u00e1ch tri\u1ec3n khai kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i Kerberos ch\u00ednh:<\/p>\n<h3>C\u00e1c lo\u1ea1i Kerberos:<\/h3>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kerberos v4<\/td>\n<td>Phi\u00ean b\u1ea3n g\u1ed1c, hi\u1ec7n \u0111\u01b0\u1ee3c coi l\u00e0 l\u1ed7i th\u1eddi.<\/td>\n<\/tr>\n<tr>\n<td>Kerberos v5<\/td>\n<td>Ti\u00eau chu\u1ea9n hi\u1ec7n t\u1ea1i, cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng v\u00e0 b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/td>\n<\/tr>\n<tr>\n<td>Kerberos c\u1ee7a Microsoft<\/td>\n<td>Vi\u1ec7c tri\u1ec3n khai Kerberos c\u1ee7a Microsoft, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng Windows.<\/td>\n<\/tr>\n<tr>\n<td>Heimdal<\/td>\n<td>Tri\u1ec3n khai Kerberos m\u00e3 ngu\u1ed3n m\u1edf, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng gi\u1ed1ng Unix.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng Kerberos, 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\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng Kerberos:<\/h3>\n<ol>\n<li>\n<p><strong>X\u00e1c th\u1ef1c an to\u00e0n<\/strong>: Kerberos \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng trong m\u1ea1ng c\u00f4ng ty, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 nh\u1eefng c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u v\u00e0 t\u00e0i nguy\u00ean nh\u1ea1y c\u1ea3m.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u0103ng nh\u1eadp m\u1ed9t l\u1ea7n (SSO)<\/strong>: N\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o nhi\u1ec1u d\u1ecbch v\u1ee5 v\u00e0 h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng c\u1ea7n nh\u1eadp th\u00f4ng tin x\u00e1c th\u1ef1c nhi\u1ec1u l\u1ea7n.<\/p>\n<\/li>\n<li>\n<p><strong>Chia s\u1ebb t\u1ec7p an to\u00e0n<\/strong>: Kerberos c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt c\u00e1c giao th\u1ee9c chia s\u1ebb t\u1ec7p nh\u01b0 NFS, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c t\u1ec7p \u0111\u01b0\u1ee3c chia s\u1ebb.<\/p>\n<\/li>\n<\/ol>\n<h3>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p th\u01b0\u1eddng g\u1eb7p:<\/h3>\n<ul>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd kh\u00f3a<\/strong>: Vi\u1ec7c qu\u1ea3n l\u00fd kh\u00f3a m\u00e3 h\u00f3a c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p. C\u00e1c gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd kh\u00f3a m\u1ea1nh m\u1ebd v\u00e0 lu\u00e2n chuy\u1ec3n kh\u00f3a th\u01b0\u1eddng xuy\u00ean.<\/p>\n<\/li>\n<li>\n<p><strong>V\u00e9 h\u1ebft h\u1ea1n<\/strong>: Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 khi v\u00e9 c\u1ee7a h\u1ecd h\u1ebft h\u1ea1n. Vi\u1ec7c th\u1ef1c hi\u1ec7n gia h\u1ea1n v\u00e9 t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: Vi\u1ec7c t\u00edch h\u1ee3p Kerberos v\u00e0o c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111a d\u1ea1ng c\u00f3 th\u1ec3 c\u1ea7n n\u1ed7 l\u1ef1c nhi\u1ec1u h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 n\u1ebfu c\u00f3 c\u1ea5u h\u00ecnh v\u00e0 h\u1ed7 tr\u1ee3 ph\u00f9 h\u1ee3p.<\/p>\n<\/li>\n<\/ul>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh<\/h2>\n<h3>Kerberos so v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c kh\u00e1c:<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>Kerberos<\/th>\n<th>X\u00e1c th\u1ef1c d\u1ef1a tr\u00ean m\u1eadt kh\u1ea9u<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ch\u1ee9ng th\u1ef1c l\u1eabn nhau<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u0103ng nh\u1eadp m\u1ed9t l\u1ea7n (SSO)<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>M\u00e3 h\u00f3a<\/td>\n<td>\u0110\u00fang<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>D\u1ef1a tr\u00ean v\u00e9<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 nh\u1ea1y th\u1eddi gian<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>Kerberos ti\u1ebfp t\u1ee5c \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o m\u1eadt th\u00f4ng tin li\u00ean l\u1ea1c m\u1ea1ng. S\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o vi\u1ec7c t\u0103ng c\u01b0\u1eddng t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i nh\u01b0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 IoT.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi Kerberos<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 b\u1ed5 sung cho x\u00e1c th\u1ef1c Kerberos theo nhi\u1ec1u c\u00e1ch:<\/p>\n<ol>\n<li>\n<p><strong>B\u1ea3o m\u1eadt n\u00e2ng cao<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung, ki\u1ec3m tra l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o v\u00e0 ra \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ch\u1eb7n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u c\u00e1c y\u00eau c\u1ea7u x\u00e1c th\u1ef1c, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c Kerberos v\u1eabn ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 ph\u1ea3n h\u1ed3i nhanh.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ef1 ph\u00f2ng \u0111\u1ecba l\u00fd<\/strong>: B\u1eb1ng c\u00e1ch \u0111\u1eb7t c\u00e1c m\u00e1y ch\u1ee7 proxy m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cao v\u00e0 kh\u1eafc ph\u1ee5c th\u1ea3m h\u1ecda cho c\u00e1c d\u1ecbch v\u1ee5 Kerberos.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chuy\u00ean s\u00e2u v\u1ec1 Kerberos, h\u00e3y xem x\u00e9t kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ul>\n<li><a target=\"_new\" rel=\"noopener\">T\u00e0i li\u1ec7u Kerberos c\u1ee7a MIT<\/a><\/li>\n<li><a target=\"_new\" rel=\"noopener\">T\u1ed5ng quan v\u1ec1 Microsoft Kerberos<\/a><\/li>\n<li><a target=\"_new\" href=\"https:\/\/www.h5l.org\/\" rel=\"noopener\">D\u1ef1 \u00e1n Heimdal Kerberos<\/a><\/li>\n<\/ul>\n<p>B\u00e0i vi\u1ebft to\u00e0n di\u1ec7n n\u00e0y cung c\u1ea5p th\u00f4ng tin t\u1ed5ng quan chi ti\u1ebft v\u1ec1 Kerberos, c\u00e1c lo\u1ea1i, \u1ee9ng d\u1ee5ng v\u00e0 kh\u1ea3 n\u0103ng ph\u1ed1i h\u1ee3p ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3 v\u1edbi m\u00e1y ch\u1ee7 proxy, cung c\u1ea5p ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 cho nh\u1eefng ai mu\u1ed1n t\u00ecm hi\u1ec3u v\u00e0 tri\u1ec3n khai c\u00e1c giao th\u1ee9c x\u00e1c th\u1ef1c an to\u00e0n trong m\u1ea1ng c\u1ee7a h\u1ecd.<\/p>","protected":false},"featured_media":579945,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-579944","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/glossary\/579944\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/579945"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=579944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}