{"id":465859,"date":"2023-06-28T20:29:51","date_gmt":"2023-06-28T20:29:51","guid":{"rendered":"https:\/\/proxycompass.com\/demystifying-proxy-servers-an-overview-and-comprehensive-guide\/"},"modified":"2024-06-07T04:14:13","modified_gmt":"2024-06-07T04:14:13","slug":"demystifying-proxy-servers-an-overview-and-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/proxycompass.com\/vi\/demystifying-proxy-servers-an-overview-and-comprehensive-guide\/","title":{"rendered":"M\u00e1y ch\u1ee7 proxy: H\u01b0\u1edbng d\u1eabn t\u1ed5ng quan v\u00e0 to\u00e0n di\u1ec7n"},"content":{"rendered":"<p>M\u1eb7c d\u00f9 duy\u1ec7t web l\u00e0 ho\u1ea1t \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u01b0ng hi\u1ebfm khi \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c quy\u1ec1n ri\u00eang t\u01b0. V\u1edbi c\u00e1c c\u01a1 ch\u1ebf theo d\u00f5i ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c c\u00e1c trang web v\u00e0 \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng, c\u00e1c c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p \u0111ang chuy\u1ec3n sang s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 coi proxy d\u00e2n c\u01b0 l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c duy tr\u00ec t\u00ednh \u1ea9n danh tr\u1ef1c tuy\u1ebfn. Tuy nhi\u00ean, m\u00e1y ch\u1ee7 proxy kh\u00f4ng ch\u1ec9 che gi\u1ea5u danh t\u00ednh tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n; ch\u00fang cung c\u1ea5p m\u1ed9t lo\u1ea1t l\u1ee3i \u00edch cho ph\u00e9p b\u1ea1n kh\u00e1m ph\u00e1 Internet m\u00e0 kh\u00f4ng b\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n<p>\u0110\u1ec3 khai th\u00e1c h\u1ebft ti\u1ec1m n\u0103ng c\u1ee7a ch\u00fang, b\u1ea1n c\u1ea7n hi\u1ec3u m\u00e1y ch\u1ee7 proxy l\u00e0 g\u00ec v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng. Ki\u1ebfn th\u1ee9c n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n l\u1ef1a ch\u1ecdn proxy ph\u00f9 h\u1ee3p nh\u1ea5t cho y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p>H\u00e3y b\u1eaft \u0111\u1ea7u cu\u1ed9c kh\u00e1m ph\u00e1 c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 m\u00e1y ch\u1ee7 proxy<\/h2>\n\n\n\n<p>M\u00e1y ch\u1ee7 proxy, \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi m\u1ed9t \u0111\u1ecba ch\u1ec9 IP duy nh\u1ea5t \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ed9t v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee5 th\u1ec3, \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n v\u00e0 internet. S\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ecba ch\u1ec9 IP ban \u0111\u1ea7u, v\u1ecb tr\u00ed v\u00e0 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 nh\u1eadn d\u1ea1ng kh\u00e1c c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt. V\u1ec1 c\u01a1 b\u1ea3n, b\u1ea1n \u0111ang thu\u00ea m\u1ed9t thi\u1ebft b\u1ecb ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP kh\u00e1c \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t trang web ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c tuy\u1ebfn.<\/p>\n\n\n\n<p>M\u00e1y ch\u1ee7 proxy cung c\u1ea5p t\u00ednh n\u0103ng \u1ea9n danh trong khi duy\u1ec7t web, m\u1ed9t t\u00ednh n\u0103ng c\u00f3 l\u1ee3i cho h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c h\u1ed7 tr\u1ee3 c\u00e1c c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u1ef1c tuy\u1ebfn m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t c\u00f3 li\u00ean quan khi s\u1eed d\u1ee5ng proxy ri\u00eang ho\u1eb7c proxy chuy\u00ean d\u1ee5ng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 uy t\u00edn.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi VPN v\u00ec m\u1ee5c ti\u00eau chung l\u00e0 b\u1ea3o v\u1ec7 danh t\u00ednh tr\u1ef1c tuy\u1ebfn, nh\u01b0ng proxy l\u1ea1i ho\u1ea1t \u0111\u1ed9ng kh\u00e1c. N\u1ebfu b\u1ea1n \u0111ang th\u1eafc m\u1eafc v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o v\u1ea5n \u0111\u1ec1 \u0111\u00f3 sau.<\/p>\n\n\n\n<p>B\u00e2y gi\u1edd h\u00e3y xem proxy ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y ch\u1ee7 proxy: Gi\u1ea3i th\u00edch chi ti\u1ebft<\/h2>\n\n\n\n<p>M\u1ed7i thi\u1ebft b\u1ecb c\u00f3 k\u1ebft n\u1ed1i Internet \u0111\u1ec1u s\u1edf h\u1eefu m\u1ed9t \u0111\u1ecba ch\u1ec9 IP duy nh\u1ea5t, \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111\u1ecba ch\u1ec9 b\u01b0u ch\u00ednh tr\u1ef1c tuy\u1ebfn. \u0110\u1ecba ch\u1ec9 IP gi\u00fap Internet truy\u1ec1n d\u1eef li\u1ec7u ch\u00ednh x\u00e1c \u0111\u1ebfn thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, cho ph\u00e9p b\u1ea1n truy c\u1eadp n\u1ed9i dung mong mu\u1ed1n \u0111\u1ed3ng th\u1eddi x\u00e1c \u0111\u1ecbnh ng\u01b0\u1eddi d\u00f9ng v\u00e0 thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng.<\/p>\n\n\n\n<p>M\u00e1y ch\u1ee7 proxy, m\u1ed9t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i internet kh\u00e1c c\u00f3 \u0111\u1ecba ch\u1ec9 IP ri\u00eang, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung gian gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n v\u00e0 internet. Thay v\u00ec k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c trang web ho\u1eb7c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn, y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n s\u1ebd chuy\u1ec3n qua m\u00e1y ch\u1ee7 proxy. K\u1ebft n\u1ed1i xi\u00ean n\u00e0y che gi\u1ea5u \u0111\u1ecba ch\u1ec9 IP, v\u1ecb tr\u00ed c\u1ee7a b\u1ea1n v\u00e0 c\u00e1c th\u00f4ng tin nh\u1eadn d\u1ea1ng kh\u00e1c kh\u1ecfi b\u1ecb xem tr\u00e1i ph\u00e9p.<\/p>\n\n\n\n<p>Do \u0111\u00f3, c\u00e1c trang web b\u1ea1n truy c\u1eadp s\u1ebd nh\u00ecn th\u1ea5y \u0111\u1ecba ch\u1ec9 IP v\u00e0 v\u1ecb tr\u00ed proxy c\u1ee7a b\u1ea1n thay v\u00ec c\u1ee7a b\u1ea1n, gi\u1eef cho v\u1ecb tr\u00ed v\u00e0 d\u1eef li\u1ec7u th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n \u1edf ch\u1ebf \u0111\u1ed9 ri\u00eang t\u01b0. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ea9n danh v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng proxy ri\u00eang d\u00e0nh ri\u00eang cho m\u1ed9t ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<p>V\u1ec1 c\u01a1 b\u1ea3n, proxy thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n v\u00e0 trang web ho\u1eb7c \u1ee9ng d\u1ee5ng d\u1ef1 \u0111\u1ecbnh, t\u1eeb \u0111\u00f3 c\u1ee7ng c\u1ed1 quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00e2n lo\u1ea1i proxy: Lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp d\u1ef1a tr\u00ean h\u01b0\u1edbng<\/h2>\n\n\n\n<p>Proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean nhi\u1ec1u th\u00f4ng s\u1ed1 kh\u00e1c nhau nh\u01b0 lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng, \u1ee9ng d\u1ee5ng, m\u1ee9c \u0111\u1ed9 \u1ea9n danh, d\u1ecbch v\u1ee5, v.v. B\u00e0i vi\u1ebft n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c proxy \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo h\u01b0\u1edbng c\u1ee7a lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng: ti\u1ebfn ho\u1eb7c l\u00f9i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chuy\u1ec3n ti\u1ebfp proxy<\/h3>\n\n\n\n<p>Proxy chuy\u1ec3n ti\u1ebfp th\u01b0\u1eddng l\u00e0 \u0111i\u1ec1u b\u1ea1n ngh\u0129 \u0111\u1ebfn khi th\u1ea3o lu\u1eadn v\u1ec1 m\u00e1y ch\u1ee7 proxy. H\u1ecd \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa kh\u00e1ch h\u00e0ng v\u00e0 internet. Y\u00eau c\u1ea7u t\u00e0i nguy\u00ean c\u1ee7a m\u00e1y kh\u00e1ch ban \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7 proxy chuy\u1ec3n ti\u1ebfp, sau \u0111\u00f3 m\u00e1y ch\u1ee7 n\u00e0y s\u1ebd l\u1ea5y t\u00e0i nguy\u00ean cho m\u00e1y kh\u00e1ch.<\/p>\n\n\n\n<p>Proxy chuy\u1ec3n ti\u1ebfp d\u00e0nh ri\u00eang cho ngu\u1ed3n g\u1ed1c \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh proxy d\u00e2n c\u01b0 v\u00e0 proxy trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\n<p><strong>\u1ee6y quy\u1ec1n d\u00e2n c\u01b0<\/strong> b\u1eaft ngu\u1ed3n t\u1eeb c\u00e1c thi\u1ebft b\u1ecb d\u00e2n d\u1ee5ng th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi ng\u01b0\u1eddi d\u00f9ng x\u00e1c th\u1ef1c, v\u1edbi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) h\u1ee3p ph\u00e1p. Do \u0111\u00f3, h\u1ecd cung c\u1ea5p \u0111i\u1ec3m tin c\u1eady IP cao nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c coi l\u00e0 proxy an to\u00e0n nh\u1ea5t.<\/p>\n<\/li>\n\n\n\n<li>\n<p><strong>Proxy trung t\u00e2m d\u1eef li\u1ec7u<\/strong> c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u. C\u00e1c proxy n\u00e0y, kh\u00f4ng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi ng\u01b0\u1eddi d\u00f9ng th\u1ef1c v\u00e0 ISP, cung c\u1ea5p \u0111i\u1ec3m tin c\u1eady IP th\u1ea5p h\u01a1n. Tuy nhi\u00ean, ch\u00fang cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn nhanh h\u01a1n, gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 t\u1ed1c \u0111\u1ed9 cao.<\/p>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Proxy ng\u01b0\u1ee3c<\/h3>\n\n\n\n<p>Proxy ng\u01b0\u1ee3c, c\u00f3 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 proxy chuy\u1ec3n ti\u1ebfp, cung c\u1ea5p t\u00ednh \u1ea9n danh v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn. Tuy nhi\u00ean, ch\u00fang kh\u00e1c nhau \u1edf v\u1ecb tr\u00ed, ng\u1ed3i ph\u00eda tr\u01b0\u1edbc m\u00e1y ch\u1ee7 web ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u00e1y kh\u00e1ch, do \u0111\u00f3 che gi\u1ea5u danh t\u00ednh c\u1ee7a m\u00e1y ch\u1ee7 web. Ch\u00fang th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng ng\u01b0\u1ee3c l\u1ea1i c\u1ee7a<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 kh\u00e1i ni\u1ec7m v\u1ec1 m\u00e1y ch\u1ee7 proxy, ch\u1ee9c n\u0103ng, lo\u1ea1i, l\u1ee3i \u00edch c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p, nh\u1eefng r\u1ee7i ro ti\u1ec1m \u1ea9n, v.v.<\/p>","protected":false},"author":1,"featured_media":465890,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[35],"tags":[],"class_list":["post-465859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/posts\/465859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/comments?post=465859"}],"version-history":[{"count":1,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/posts\/465859\/revisions"}],"predecessor-version":[{"id":470803,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/posts\/465859\/revisions\/470803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/media\/465890"}],"wp:attachment":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/media?parent=465859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/categories?post=465859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/tags?post=465859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}