{"id":422,"date":"2025-02-07T01:18:38","date_gmt":"2025-02-07T01:18:38","guid":{"rendered":"https:\/\/replicounts.org\/network\/cookies-sessions\/"},"modified":"2025-02-07T01:18:38","modified_gmt":"2025-02-07T01:18:38","slug":"cookies-sessions","status":"publish","type":"post","link":"https:\/\/replicounts.org\/vi\/network\/cookies-sessions\/","title":{"rendered":"Cookie v\u00e0 Phi\u00ean"},"content":{"rendered":"

Trong b\u1ee9c tranh ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c t\u01b0\u01a1ng t\u00e1c web hi\u1ec7n \u0111\u1ea1i, cookie v\u00e0 phi\u00ean \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00e1c s\u1ee3i ch\u1ec9 \u0111an xen tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i ph\u00eda m\u00e1y ch\u1ee7. V\u1ec1 b\u1ea3n ch\u1ea5t, c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 hi\u1ec3u c\u00e1ch ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng web, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u1ed1i c\u1ea3nh m\u1ea1ng proxy, n\u01a1i t\u00ednh \u1ea9n danh, b\u1ea3o m\u1eadt v\u00e0 t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t.<\/p>\n

Cookie v\u00e0 Phi\u00ean: T\u1ed5ng quan v\u1ec1 k\u1ef9 thu\u1eadt<\/h3>\n

B\u00e1nh quy<\/strong> l\u00e0 nh\u1eefng ph\u1ea7n d\u1eef li\u1ec7u nh\u1ecf \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean ph\u00eda m\u00e1y kh\u00e1ch\u2014th\u01b0\u1eddng l\u00e0 trong tr\u00ecnh duy\u1ec7t web c\u1ee7a ng\u01b0\u1eddi d\u00f9ng\u2014b\u1edfi m\u1ed9t trang web. Ch\u00fang ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, bao g\u1ed3m theo d\u00f5i h\u00e0nh vi c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, qu\u1ea3n l\u00fd x\u00e1c th\u1ef1c v\u00e0 l\u01b0u gi\u1eef s\u1edf th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, cookie bao g\u1ed3m m\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh ch\u00ednh:<\/p>\n

    \n
  1. T\u00ean<\/strong>: M\u00e3 \u0111\u1ecbnh danh cho cookie.<\/li>\n
  2. Gi\u00e1 tr\u1ecb<\/strong>: D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong cookie.<\/li>\n
  3. L\u00e3nh \u0111\u1ecba<\/strong>: T\u00ean mi\u1ec1n c\u00f3 th\u1ec3 truy c\u1eadp cookie.<\/li>\n
  4. Con \u0111\u01b0\u1eddng<\/strong>: \u0110\u01b0\u1eddng d\u1eabn URL c\u1ee5 th\u1ec3 ph\u1ea3i t\u1ed3n t\u1ea1i \u0111\u1ec3 cookie \u0111\u01b0\u1ee3c g\u1eedi.<\/li>\n
  5. H\u1ebft h\u1ea1n<\/strong>: Ng\u00e0y cookie s\u1ebd b\u1ecb x\u00f3a. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, cookie s\u1ebd tr\u1edf th\u00e0nh cookie phi\u00ean, ch\u1ec9 t\u1ed3n t\u1ea1i trong th\u1eddi gian tr\u00ecnh duy\u1ec7t m\u1edf.<\/li>\n
  6. Ch\u1eafc ch\u1eafn<\/strong>:C\u1edd cho bi\u1ebft cookie ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c truy\u1ec1n qua k\u1ebft n\u1ed1i HTTPS an to\u00e0n.<\/li>\n
  7. Ch\u1ec9 Http<\/strong>: M\u1ed9t c\u1edd ng\u0103n ch\u1eb7n cookie \u0111\u01b0\u1ee3c truy c\u1eadp th\u00f4ng qua JavaScript, gi\u1ea3m thi\u1ec3u m\u1ed9t s\u1ed1 lo\u1ea1i t\u1ea5n c\u00f4ng nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ol>\n

    Ng\u01b0\u1ee3c l\u1ea1i, phi\u00ean h\u1ecdp<\/strong> tham chi\u1ebfu \u0111\u1ebfn b\u1ed9 nh\u1edb ph\u00eda m\u00e1y ch\u1ee7 l\u01b0u gi\u1eef th\u00f4ng tin v\u1ec1 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian. Khi ng\u01b0\u1eddi d\u00f9ng l\u1ea7n \u0111\u1ea7u t\u01b0\u01a1ng t\u00e1c v\u1edbi \u1ee9ng d\u1ee5ng web, m\u1ed9t phi\u00ean \u0111\u01b0\u1ee3c t\u1ea1o v\u00e0 m\u1ed9t ID phi\u00ean duy nh\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o. ID n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y kh\u00e1ch d\u01b0\u1edbi d\u1ea1ng cookie, cho ph\u00e9p m\u00e1y ch\u1ee7 x\u00e1c \u0111\u1ecbnh ng\u01b0\u1eddi d\u00f9ng trong c\u00e1c y\u00eau c\u1ea7u ti\u1ebfp theo.<\/p>\n

    T\u01b0\u01a1ng t\u00e1c v\u1edbi Proxy v\u00e0 M\u1ea1ng<\/h3>\n

    Trong l\u0129nh v\u1ef1c m\u1ea1ng proxy, t\u01b0\u01a1ng t\u00e1c gi\u1eefa cookie, phi\u00ean v\u00e0 m\u1ea1ng tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t tinh t\u1ebf. Proxy ho\u1ea1t \u0111\u1ed9ng nh\u01b0 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, v\u00e0 vai tr\u00f2 c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cookie v\u00e0 phi\u00ean.<\/p>\n

      \n
    1. \n

      T\u00ednh \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt<\/strong>: Khi ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u1edbi \u1ee9ng d\u1ee5ng web th\u00f4ng qua proxy, \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y kh\u00e1ch s\u1ebd b\u1ecb \u1ea9n. Cookie l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i, nh\u01b0ng m\u00e1y ch\u1ee7 s\u1ebd th\u1ea5y \u0111\u1ecba ch\u1ec9 IP c\u1ee7a proxy thay th\u1ebf. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra th\u00e1ch th\u1ee9c cho vi\u1ec7c qu\u1ea3n l\u00fd phi\u00ean, v\u00ec m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 d\u1ef1a tr\u00ean IP.<\/p>\n<\/li>\n

    2. \n

      S\u1ef1 duy tr\u00ec phi\u00ean<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u t\u00ednh li\u00ean t\u1ee5c c\u1ee7a phi\u00ean, proxy c\u00f3 th\u1ec3 l\u00e0m ph\u1ee9c t\u1ea1p v\u1ea5n \u0111\u1ec1. N\u1ebfu ID phi\u00ean \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong cookie v\u00e0 cookie \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd ho\u1eb7c truy\u1ec1n \u0111\u00fang c\u00e1ch do h\u00e0nh vi c\u1ee7a proxy (v\u00ed d\u1ee5: s\u1eeda \u0111\u1ed5i ti\u00eau \u0111\u1ec1 ho\u1eb7c x\u00f3a cookie), m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 m\u1ea5t d\u1ea5u phi\u00ean c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n

    3. \n

      Nh\u1eefng c\u00e2n nh\u1eafc li\u00ean mi\u1ec1n<\/strong>: Proxy c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c chia s\u1ebb cookie gi\u1eefa c\u00e1c mi\u1ec1n. Khi ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c nhau th\u00f4ng qua proxy, cookie d\u00e0nh cho c\u00e1c mi\u1ec1n c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u01b0\u1ee3c g\u1eedi v\u1edbi c\u00e1c y\u00eau c\u1ea7u ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c tham s\u1ed1 v\u00e0 \u0111\u1ecbnh d\u1ea1ng ch\u00ednh<\/h3>\n

      C\u00e1c tham s\u1ed1 ch\u00ednh c\u1ee7a cookie v\u00e0 phi\u00ean th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n theo c\u00e1c \u0111\u1ecbnh d\u1ea1ng sau:<\/p>\n

        \n
      • \n

        \u0110\u1ecbnh d\u1ea1ng Cookie HTTP<\/strong>:
        \n Set-Cookie: name=value; Expires=Wed, 21 Oct 2025 07:28:00 GMT; Domain=example.com; Path=\/; Secure; HttpOnly<\/code><\/p>\n<\/li>\n

      • \n

        V\u00ed d\u1ee5 v\u1ec1 ID phi\u00ean<\/strong>:
        \n ID phi\u00ean th\u01b0\u1eddng l\u00e0 m\u1ed9t chu\u1ed7i \u0111\u01b0\u1ee3c t\u1ea1o ng\u1eabu nhi\u00ean, ch\u1eb3ng h\u1ea1n nh\u01b0:
        \n session_id=abc123xyz456<\/code><\/p>\n<\/li>\n<\/ul>\n

        M\u1ed9t v\u00ed d\u1ee5 c\u01a1 b\u1ea3n: V\u0169 \u0111i\u1ec7u c\u1ee7a Cookie v\u00e0 Phi\u00ean<\/h3>\n

        H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t ng\u01b0\u1eddi d\u00f9ng, Alice, truy c\u1eadp m\u1ed9t trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed th\u00f4ng qua proxy. Khi truy c\u1eadp l\u1ea7n \u0111\u1ea7u, trang web s\u1ebd t\u1ea1o ID phi\u00ean v\u00e0 g\u1eedi \u0111\u1ebfn tr\u00ecnh duy\u1ec7t c\u1ee7a c\u00f4 \u1ea5y d\u01b0\u1edbi d\u1ea1ng cookie:<\/p>\n

        Set-Cookie: session_id=abc123xyz456; Expires=Wed, 21 Oct 2025 07:28:00 GMT; Path=\/; Secure; HttpOnly\n<\/code><\/pre>\n
        Khi Alice duy\u1ec7t trang web, c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a c\u00f4 \u1ea5y \u0111\u01b0\u1ee3c theo d\u00f5i th\u00f4ng qua ID phi\u00ean n\u00e0y. M\u1ed7i l\u1ea7n c\u00f4 \u1ea5y th\u00eam m\u1ed9t m\u1ee5c v\u00e0o gi\u1ecf h\u00e0ng, m\u1ed9t y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7, m\u00e1y ch\u1ee7 n\u00e0y s\u1ebd ki\u1ec3m tra ID phi\u00ean so v\u1edbi h\u1ed3 s\u01a1 c\u1ee7a n\u00f3 \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u gi\u1ecf h\u00e0ng c\u1ee7a c\u00f4 \u1ea5y. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 n\u01a1i proxy ph\u00e1t huy vai tr\u00f2 c\u1ee7a n\u00f3: n\u1ebfu proxy c\u1ee7a Alice \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh sai v\u00e0 x\u00f3a cookie kh\u1ecfi ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u, m\u00e1y ch\u1ee7 s\u1ebd kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c ID phi\u00ean.<\/p>\n
        S\u1ef1 gi\u00e1m s\u00e1t n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh hu\u1ed1ng gi\u1ecf h\u00e0ng c\u1ee7a Alice c\u00f3 v\u1ebb tr\u1ed1ng r\u1ed7ng, m\u1eb7c d\u00f9 c\u00f4 \u1ea5y \u0111\u00e3 l\u1ef1a ch\u1ecdn tr\u01b0\u1edbc \u0111\u00f3, d\u1eabn \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m kh\u00f3 ch\u1ecbu. Do \u0111\u00f3, s\u1ef1 h\u00e0i h\u00f2a gi\u1eefa cookie, phi\u00ean v\u00e0 m\u1ea1ng proxy l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch gi\u1eefa ng\u01b0\u1eddi d\u00f9ng.<\/p>\n
        Ph\u1ea7n k\u1ebft lu\u1eadn<\/h3>\n
        Trong v\u00e1n c\u1edd vua v\u0129 \u0111\u1ea1i c\u1ee7a c\u00f4ng ngh\u1ec7 web, cookie v\u00e0 phi\u00ean l\u00e0 nh\u1eefng qu\u00e2n c\u1edd cho ph\u00e9p ch\u01a1i chi\u1ebfn l\u01b0\u1ee3c trong tr\u00f2 ch\u01a1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. Hi\u1ec3u \u0111\u01b0\u1ee3c n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u1ed1i c\u1ea3nh m\u1ea1ng proxy, l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u1ea3 nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng. Khi ch\u00fang ta \u0111i\u1ec1u h\u01b0\u1edbng b\u1ed1i c\u1ea3nh ph\u1ee9c t\u1ea1p n\u00e0y, h\u00e3y lu\u00f4n c\u1ea3nh gi\u00e1c v\u1ec1 c\u00e1ch c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y t\u01b0\u01a1ng t\u00e1c, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ki\u1ebfn tr\u00fac k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a ch\u00fang ta m\u1ea1nh m\u1ebd, an to\u00e0n v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Theo c\u00e1ch n\u00e0y, ch\u00fang ta kh\u00f4ng ch\u1ec9 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 c\u00f2n x\u00e2y d\u1ef1ng nh\u1eefng tr\u1ea3i nghi\u1ec7m c\u00f3 s\u1ef1 \u0111\u1ed3ng c\u1ea3m s\u00e2u s\u1eafc v\u1edbi nh\u1eefng ng\u01b0\u1eddi tham gia v\u00e0o ch\u00fang.<\/p>","protected":false},"excerpt":{"rendered":"
        In the intricate tapestry of modern web interactions, cookies and sessions serve as the threads that weave together user experience and server-side state management. At their core, these concepts are fundamental to understanding how users engage with web applications, especially in the context of proxy networks where anonymity, security, and data integrity play pivotal roles. […]<\/p>\n","protected":false},"author":2,"featured_media":423,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[17],"tags":[146,142,12,48,147,143,145,144,148,125],"class_list":["post-422","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network","tag-browser-storage","tag-cookies","tag-http","tag-security","tag-session-management","tag-sessions","tag-state-management","tag-user-authentication","tag-web-applications","tag-web-development"],"acf":[],"_links":{"self":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/422","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/comments?post=422"}],"version-history":[{"count":0,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/posts\/422\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media\/423"}],"wp:attachment":[{"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/media?parent=422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/categories?post=422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/replicounts.org\/vi\/wp-json\/wp\/v2\/tags?post=422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}