{"id":408,"date":"2025-02-06T11:07:37","date_gmt":"2025-02-06T11:07:37","guid":{"rendered":"https:\/\/replicounts.org\/network\/isp\/"},"modified":"2025-02-06T11:07:37","modified_gmt":"2025-02-06T11:07:37","slug":"isp","status":"publish","type":"post","link":"https:\/\/replicounts.org\/vi\/network\/isp\/","title":{"rendered":"Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet"},"content":{"rendered":"

Hi\u1ec3u v\u1ec1 ISP trong b\u1ed1i c\u1ea3nh c\u1ee7a m\u1ea1ng Proxy<\/h3>\n

\u0110\u1ec3 b\u1eaft \u0111\u1ea7u kh\u00e1m ph\u00e1 Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) trong ph\u1ea1m vi m\u1ea1ng proxy, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i \u0111\u1ecbnh ngh\u0129a ISP l\u00e0 g\u00ec \u1edf c\u1ea5p \u0111\u1ed9 k\u1ef9 thu\u1eadt. V\u1ec1 c\u01a1 b\u1ea3n, ISP l\u00e0 m\u1ed9t c\u00f4ng ty cung c\u1ea5p cho c\u00e1 nh\u00e2n v\u00e0 t\u1ed5 ch\u1ee9c quy\u1ec1n truy c\u1eadp internet. \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, giao th\u1ee9c v\u00e0 d\u1ecbch v\u1ee5 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng th\u00f4ng tin r\u1ed9ng l\u1edbn. <\/p>\n

N\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt c\u1ee7a ISP<\/h4>\n

V\u1ec1 b\u1ea3n ch\u1ea5t, m\u1ed9t ISP ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c m\u00e1y ch\u1ee7, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1c g\u00f3i d\u1eef li\u1ec7u qua internet. X\u01b0\u01a1ng s\u1ed1ng c\u1ee7a m\u1ed9t ISP bao g\u1ed3m c\u00e1c c\u00e1p quang dung l\u01b0\u1ee3ng cao v\u00e0 c\u00e1c n\u00fat m\u1ea1ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ISP kh\u00e1c, t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 d\u1eef li\u1ec7u \u0111i qua. C\u00e1c ISP s\u1eed d\u1ee5ng nhi\u1ec1u giao th\u1ee9c kh\u00e1c nhau\u2014\u0111\u00e1ng ch\u00fa \u00fd nh\u1ea5t l\u00e0 TCP\/IP (Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n\/Giao th\u1ee9c Internet)\u2014\u0111\u1ec3 \u0111\u1ea3m b\u1ea3o truy\u1ec1n th\u00f4ng v\u00e0 d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady. <\/p>\n

C\u00e1c giao th\u1ee9c n\u00e0y qu\u1ea3n l\u00fd c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i, \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9, truy\u1ec1n v\u00e0 nh\u1eadn, gi\u1ed1ng nh\u01b0 c\u00e1ch h\u1ec7 th\u1ed1ng b\u01b0u ch\u00ednh \u0111\u1ea3m b\u1ea3o th\u01b0 \u0111\u1ebfn \u0111\u00edch d\u1ef1 \u0111\u1ecbnh. ISP ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 IP cho c\u00e1c thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng c\u1ee7a m\u00ecnh, \u0111\u00f3ng vai tr\u00f2 l\u00e0 m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1eddng ph\u1ed1, cho ph\u00e9p giao ti\u1ebfp li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n

T\u01b0\u01a1ng t\u00e1c v\u1edbi Proxy v\u00e0 M\u1ea1ng<\/h4>\n

Proxy \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch (ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i) v\u00e0 m\u00e1y ch\u1ee7 m\u00e0 h\u1ecd mu\u1ed1n giao ti\u1ebfp. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng m\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m b\u1ea3o m\u1eadt, \u1ea9n danh v\u00e0 l\u1ecdc n\u1ed9i dung. V\u00ed d\u1ee5, khi ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u m\u1ed9t trang web, y\u00eau c\u1ea7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua m\u00e1y ch\u1ee7 proxy, sau \u0111\u00f3 m\u00e1y ch\u1ee7 n\u00e0y s\u1ebd giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7 \u0111\u00edch thay m\u1eb7t cho ng\u01b0\u1eddi d\u00f9ng. <\/p>\n

Trong b\u1ed1i c\u1ea3nh n\u00e0y, vai tr\u00f2 c\u1ee7a ISP l\u00e0 \u0111a di\u1ec7n. N\u00f3 cung c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho ph\u00e9p m\u00e1y ch\u1ee7 proxy ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c g\u00f3i d\u1eef li\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n t\u1ef1 do gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c proxy n\u00e0y. H\u01a1n n\u1eefa, ISP c\u00f3 th\u1ec3 \u00e1p \u0111\u1eb7t m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng proxy, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec1u ti\u1ebft b\u0103ng th\u00f4ng ho\u1eb7c ch\u1eb7n c\u00e1c lo\u1ea1i proxy c\u1ee5 th\u1ec3, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m chung c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

C\u00e1c tham s\u1ed1 v\u00e0 \u0111\u1ecbnh d\u1ea1ng ch\u00ednh<\/h4>\n

M\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 ch\u00ednh \u0111\u1eb7c tr\u01b0ng cho m\u1ed1i quan h\u1ec7 gi\u1eefa ISP v\u00e0 m\u1ea1ng proxy:<\/p>\n

    \n
  1. \n

    \u0110\u1ecba ch\u1ec9 IP<\/strong>: M\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed7i thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng c\u1ee7a ISP. Proxy th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecba ch\u1ec9 IP kh\u00e1c nhau \u0111\u1ec3 che gi\u1ea5u \u0111\u1ecba ch\u1ec9 g\u1ed1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

  2. \n

    B\u0103ng th\u00f4ng<\/strong>:Kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a ISP; n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp n\u1ed9i dung th\u00f4ng qua proxy.<\/p>\n<\/li>\n

  3. \n

    \u0110\u1ed9 tr\u1ec5<\/strong>: Th\u1eddi gian d\u1eef li\u1ec7u di chuy\u1ec3n t\u1eeb ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn proxy v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. \u0110\u1ed9 tr\u1ec5 th\u1ea5p l\u00e0 t\u1ed1i quan tr\u1ecdng \u0111\u1ec3 c\u00f3 tr\u1ea3i nghi\u1ec7m li\u1ec1n m\u1ea1ch.<\/p>\n<\/li>\n

  4. \n

    C\u00e1c lo\u1ea1i giao th\u1ee9c<\/strong>: Nhi\u1ec1u giao th\u1ee9c kh\u00e1c nhau (HTTP, HTTPS, SOCKS) quy\u1ebft \u0111\u1ecbnh c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua proxy, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n<\/li>\n

  5. \n

    C\u00e1c lo\u1ea1i k\u1ebft n\u1ed1i<\/strong>:C\u00e1c ISP c\u00f3 th\u1ec3 cung c\u1ea5p nhi\u1ec1u lo\u1ea1i k\u1ebft n\u1ed1i kh\u00e1c nhau (DSL, c\u00e1p quang, c\u00e1p) \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft n\u1ed1i proxy.<\/p>\n<\/li>\n<\/ol>\n

    M\u1ed9t v\u00ed d\u1ee5 c\u01a1 b\u1ea3n: \u0110i\u1ec1u h\u01b0\u1edbng Internet b\u1eb1ng Proxy<\/h4>\n

    H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t ng\u01b0\u1eddi d\u00f9ng t\u00ean l\u00e0 Alex, \u0111ang \u1edf nh\u00e0 s\u1eed d\u1ee5ng m\u00e1y t\u00ednh x\u00e1ch tay \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi ISP. Khi Alex mu\u1ed1n truy c\u1eadp m\u1ed9t trang web, tr\u00ecnh t\u1ef1 sau s\u1ebd di\u1ec5n ra:<\/p>\n

      \n
    1. \n

      S\u1ef1 kh\u1edfi \u0111\u1ea7u<\/strong>: Alex nh\u1eadp URL v\u00e0o tr\u00ecnh duy\u1ec7t. M\u00e1y t\u00ednh x\u00e1ch tay g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn ISP \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi trang web.<\/p>\n<\/li>\n

    2. \n

      Ch\u1eb7n Proxy<\/strong>: Thay v\u00ec k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp \u0111\u1ebfn trang web, y\u00eau c\u1ea7u c\u1ee7a Alex \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua m\u00e1y ch\u1ee7 proxy. Proxy n\u00e0y, \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ecba ch\u1ec9 IP ri\u00eang, che gi\u1ea5u IP g\u1ed1c c\u1ee7a Alex.<\/p>\n<\/li>\n

    3. \n

      Giao ti\u1ebfp<\/strong>: M\u00e1y ch\u1ee7 proxy chuy\u1ec3n ti\u1ebfp y\u00eau c\u1ea7u \u0111\u1ebfn trang web \u0111\u00edch. Trang web ph\u1ea3n h\u1ed3i, g\u1eedi d\u1eef li\u1ec7u tr\u1edf l\u1ea1i proxy.<\/p>\n<\/li>\n

    4. \n

      \u0110\u01b0\u1eddng d\u1eabn tr\u1edf v\u1ec1<\/strong>: M\u00e1y ch\u1ee7 proxy nh\u1eadn d\u1eef li\u1ec7u v\u00e0 sau \u0111\u00f3 g\u1eedi l\u1ea1i cho m\u00e1y t\u00ednh x\u00e1ch tay c\u1ee7a Alex. To\u00e0n b\u1ed9 t\u01b0\u01a1ng t\u00e1c di\u1ec5n ra li\u1ec1n m\u1ea1ch, nh\u01b0ng IP g\u1ed1c c\u1ee7a Alex v\u1eabn \u1ea9n kh\u1ecfi trang web \u0111\u00edch.<\/p>\n<\/li>\n<\/ol>\n

      Lu\u1ed3ng n\u00e0y minh h\u1ecda c\u00e1ch ISP v\u00e0 proxy t\u01b0\u01a1ng t\u00e1c trong b\u1ed1i c\u1ea3nh m\u1ea1ng r\u1ed9ng h\u01a1n. ISP cung c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ea7n thi\u1ebft, trong khi proxy t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho l\u1edbp \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

      Ph\u1ea7n k\u1ebft lu\u1eadn<\/h3>\n

      T\u00f3m l\u1ea1i, m\u1ed1i quan h\u1ec7 gi\u1eefa ISP v\u00e0 m\u1ea1ng proxy l\u00e0 m\u1ed9t \u0111i\u1ec7u nh\u1ea3y c\u1ee7a k\u1ebft n\u1ed1i, b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c s\u1eafc th\u00e1i k\u1ef9 thu\u1eadt c\u1ee7a ISP cho ph\u00e9p ch\u00fang ta \u0111\u00e1nh gi\u00e1 cao s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ea1ng v\u00e0 vai tr\u00f2 quan tr\u1ecdng c\u1ee7a proxy trong vi\u1ec7c n\u00e2ng cao tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Gi\u1ed1ng nh\u01b0 m\u1ed9t nh\u1ea1c tr\u01b0\u1edfng t\u00e0i ba mang l\u1ea1i s\u1ef1 h\u00e0i h\u00f2a cho d\u00e0n nh\u1ea1c, ISP \u0111i\u1ec1u ph\u1ed1i lu\u1ed3ng d\u1eef li\u1ec7u th\u00f4ng qua proxy, \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i n\u1ed1t nh\u1ea1c trong b\u1ea3n giao h\u01b0\u1edfng k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ec1u c\u1ed9ng h\u01b0\u1edfng v\u1edbi s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 m\u1ee5c \u0111\u00edch.<\/p>","protected":false},"excerpt":{"rendered":"

      Understanding ISP in the Context of Proxy Networks To embark on this exploration of Internet Service Providers (ISPs) within the realm of proxy networks, we must first define what an ISP is at a technical level. An ISP is essentially a company that provides individuals and organizations access to the internet. This involves a complex […]<\/p>\n","protected":false},"author":3,"featured_media":409,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[92,93,99,97,96,91,90,94,95,98],"class_list":["post-408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network","tag-broadband","tag-connectivity","tag-customer-service","tag-dsl","tag-fiber-optics","tag-internet-service-provider","tag-isp","tag-network","tag-telecommunications","tag-wireless-internet"],"acf":[],"_links":{"self":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/comments?post=408"}],"version-history":[{"count":0,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/408\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media\/409"}],"wp:attachment":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media?parent=408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/categories?post=408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/tags?post=408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}