{"id":468675,"date":"2020-10-25T00:00:00","date_gmt":"2020-10-25T00:00:00","guid":{"rendered":"https:\/\/proxycompass.com\/knowledge-base\/what-is-a-proxy-service\/"},"modified":"2024-04-30T08:38:36","modified_gmt":"2024-04-30T08:38:36","slug":"what-is-a-proxy-service","status":"publish","type":"knowledge-base","link":"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-is-a-proxy-service\/","title":{"rendered":"D\u1ecbch v\u1ee5 proxy l\u00e0 g\u00ec?"},"content":{"rendered":"

D\u1ecbch v\u1ee5 proxy l\u00e0 m\u1ed9t c\u00f4ng ty s\u1edf h\u1eefu nhi\u1ec1u m\u1ea1ng con IP v\u00e0 cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o ch\u00fang tr\u00ean c\u01a1 s\u1edf th\u01b0\u01a1ng m\u1ea1i, n\u00f3i c\u00e1ch kh\u00e1c, n\u00f3 cho thu\u00ea proxy.<\/p>\n

T\u1ed5ng s\u1ed1 \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 IP nh\u01b0 v\u1eady d\u1ecbch v\u1ee5 \u1ee7y quy\u1ec1n<\/a> c\u00f3 quy\u1ec1n truy c\u1eadp \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nh\u00f3m IP. V\u1edbi nhi\u1ec1u c\u00f4ng ty cung c\u1ea5p m\u00e1y ch\u1ee7 proxy, vi\u1ec7c t\u00ecm \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 kh\u00f3 kh\u0103n. \u0110\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn, b\u1ea1n n\u00ean hi\u1ec3u c\u00e1c lo\u1ea1i d\u1ecbch v\u1ee5 proxy ch\u00ednh.<\/p>\n

\"S\u01a1<\/a>
S\u01a1 \u0111\u1ed3 bi\u1ec3u di\u1ec5n c\u1ee7a m\u1ed9t d\u1ecbch v\u1ee5 proxy<\/figcaption><\/figure>\n

C\u00f3 nh\u1eefng lo\u1ea1i d\u1ecbch v\u1ee5 proxy n\u00e0o?<\/h2>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i d\u1ecbch v\u1ee5 proxy kh\u00e1c nhau, x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 v\u00e0 chi ph\u00ed c\u1ee7a d\u1ecbch v\u1ee5:<\/p>\n

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\"D\u1ecbch<\/div>\n
D\u1ecbch v\u1ee5 cung c\u1ea5p danh s\u00e1ch proxy mi\u1ec5n ph\u00ed<\/a>. T\u1ea1i \u0111\u00e2y, ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n sao ch\u00e9p m\u1ed9t trong c\u00e1c \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c cung c\u1ea5p trong danh s\u00e1ch t\u01b0\u01a1ng \u1ee9ng v\u00e0o c\u00e0i \u0111\u1eb7t tr\u00ecnh duy\u1ec7t c\u1ee7a m\u00ecnh. V\u1ea5n \u0111\u1ec1 l\u1edbn \u1edf \u0111\u00e2y l\u00e0 b\u1ea3o m\u1eadt, v\u00ec h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 \u201cm\u00e1y ch\u1ee7 mi\u1ec5n ph\u00ed\u201d n\u00e0o \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. Ngo\u00e0i ra, nhi\u1ec1u m\u00e1y ch\u1ee7 lo\u1ea1i n\u00e0y \u0111ang ngo\u1ea1i tuy\u1ebfn (\u201cProxies ch\u1ebft\u201d), ch\u00fang s\u1eed d\u1ee5ng quy tr\u00ecnh HTTP kh\u00f4ng an to\u00e0n v\u00e0 x\u1eed l\u00fd m\u00e3 HTML c\u1ee7a c\u00e1c trang web, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t t\u00e1n c\u1ee7a qu\u1ea3ng c\u00e1o v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<\/div>\n<\/div>\n
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\"D\u1ecbch<\/div>\n
C\u00e1c d\u1ecbch v\u1ee5 cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o proxy \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u<\/a> l\u00e0 lo\u1ea1i d\u1ecbch v\u1ee5 proxy ph\u1ed5 bi\u1ebfn nh\u1ea5t. Trong s\u1ed1 n\u00e0y, ProxyLa b\u00e0n<\/a> l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh, cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o proxy \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u. \u0110\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 trong trung t\u00e2m d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00f3, ph\u1ed5 bi\u1ebfn ch\u1ee7 y\u1ebfu v\u00ec t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u00fang. T\u1ed1c \u0111\u1ed9 v\u00f4 song n\u00e0y cho ph\u00e9p nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 c\u1ee7a m\u00ecnh tr\u01b0\u1edbc khi ch\u00fang b\u1ecb c\u00e1c trang web ph\u00e1t hi\u1ec7n. V\u1edbi ProxyCompass v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 t\u01b0\u01a1ng t\u1ef1, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c proxy nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n n\u00e0y, \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhi\u1ec1u nhu c\u1ea7u kh\u00e1c nhau.<\/div>\n<\/div>\n
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\"D\u1ecbch<\/div>\n
\u1ee6y quy\u1ec1n d\u00e2n c\u01b0<\/a>. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111\u1ecba ch\u1ec9 IP c\u1ee7a nh\u00e0 ri\u00eang m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh qua \u201cm\u1ea1ng gia \u0111\u00ecnh\u201d. Nh\u1eefng \u0111\u1ecba ch\u1ec9 IP n\u00e0y kh\u00f3 l\u1ea5y h\u01a1n, khi\u1ebfn ch\u00fang \u0111\u1eaft h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 proxy c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c IP nh\u01b0 v\u1eady \u0111\u1eb7t ra c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e1p l\u00fd v\u00e0 tu\u00e2n th\u1ee7 v\u00ec ch\u00fang s\u1eed d\u1ee5ng m\u1ea1ng ri\u00eang c\u1ee7a c\u00e1c c\u00e1 nh\u00e2n.<\/div>\n<\/div>\n
\n
\"D\u1ecbch<\/div>\n
Proxy di \u0111\u1ed9ng<\/a>. \u0110\u00e2y l\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u00e1 nh\u00e2n. Vi\u1ec7c l\u1ea5y \u0111\u1ecba ch\u1ec9 IP t\u1eeb thi\u1ebft b\u1ecb di \u0111\u1ed9ng kh\u00e1 kh\u00f3 kh\u0103n, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang n\u1eb1m trong s\u1ed1 nh\u1eefng proxy \u0111\u1eaft nh\u1ea5t. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c d\u1ef1 \u00e1n qu\u00e9t web, \u0111\u1ecba ch\u1ec9 IP di \u0111\u1ed9ng l\u00e0 kh\u00f4ng b\u1eaft bu\u1ed9c tr\u1eeb khi b\u1ea1n mu\u1ed1n ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng di \u0111\u1ed9ng. C\u00e1c proxy n\u00e0y th\u1eadm ch\u00ed c\u00f2n g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e1p l\u00fd v\u00e0 \u1ee7y quy\u1ec1n ph\u1ee9c t\u1ea1p h\u01a1n v\u00ec ch\u1ee7 s\u1edf h\u1eefu thi\u1ebft b\u1ecb th\u01b0\u1eddng kh\u00f4ng nh\u1eadn ra \u0111\u1ea7y \u0111\u1ee7 r\u1eb1ng b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u1ea1ng GSM c\u1ee7a anh ta.<\/div>\n<\/div>\n<\/div>\n

T\u1ea1i sao b\u1ea1n c\u1ea7n Proxy?<\/h2>\n

N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c trong m\u1ed9t c\u00f4ng ty nghi\u00ean c\u1ee9u SEO l\u1edbn, n\u01a1i c\u00f3 nhi\u1ec1u m\u00e1y t\u00ednh s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 IP \u0111\u1ec3 ph\u00e2n t\u00edch t\u1eeb kh\u00f3a, ph\u00e2n t\u00edch trang web v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng SEO kh\u00e1c, th\u00ec c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm c\u00f3 th\u1ec3 hi\u1ec3u sai c\u00e1c l\u01b0\u1ee3t truy c\u1eadp l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u00e0 kh\u00f4ng ng\u1eebng c\u1ee7a b\u1ea1n v\u00e0o c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 web.<\/p>\n

Vi\u1ec7c truy c\u1eadp n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u1ea1n b\u1ecb c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm \u0111\u01b0a v\u00e0o danh s\u00e1ch \u0111en, t\u1ee9c l\u00e0 b\u1ecb ch\u1eb7n. R\u1ee7i ro n\u00e0y c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy.<\/p>\n

C\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u nh\u00f3m:<\/p>\n

    \n
  • \u1ea8n danh: B\u1ea1n c\u00f3 th\u1ec3 \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00ecnh th\u00f4ng qua m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 c\u00e1c th\u00e0nh vi\u00ean kh\u00e1c trong m\u1ea1ng ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u1ecba ch\u1ec9 v\u00e0 v\u1ecb tr\u00ed c\u1ee7a m\u00e1y ch\u1ee7 proxy.<\/li>\n
  • L\u1ecdc: Proxy c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00e0 do \u0111\u00f3 ch\u1ec9 cho ph\u00e9p m\u1ed9t s\u1ed1 lo\u1ea1i y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c chuy\u1ec3n. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c m\u1ea1ng c\u00f4ng ty ch\u1eb7n m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 trang web chia s\u1ebb t\u1ec7p ho\u1eb7c tr\u00f2 ch\u01a1i.<\/li>\n
  • B\u1ed9 nh\u1edb \u0111\u1ec7m: D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7 proxy l\u01b0u tr\u1eef t\u1ea1m th\u1eddi trong b\u1ed9 \u0111\u1ec7m \u0111\u1ec3 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u tr\u00f9ng l\u1eb7p nhanh h\u01a1n. V\u00ed d\u1ee5: n\u1ebfu kh\u00e1ch h\u00e0ng th\u01b0\u1eddng xuy\u00ean y\u00eau c\u1ea7u c\u00f9ng m\u1ed9t t\u00e0i li\u1ec7u, proxy c\u00f3 th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp t\u00e0i li\u1ec7u \u0111\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 m\u1ee5c ti\u00eau th\u1ef1c t\u1ebf. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng v\u00e0 ti\u1ec1n b\u1ea1c.<\/li>\n<\/ul>\n

    \u0110\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 proxy ph\u00f9 h\u1ee3p nh\u1ea5t cho m\u00ecnh, b\u1ea1n n\u00ean bi\u1ebft r\u00f5 \u0111i\u1ec3m \u0111\u1ebfn c\u1ee7a m\u00ecnh. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c lo\u1ea1i proxy kh\u00e1c nhau trong ph\u1ea7n th\u1ee9 3 c\u1ee7a c\u01a1 s\u1edf ki\u1ebfn th\u1ee9c c\u1ee7a ch\u00fang t\u00f4i.<\/p>","protected":false},"excerpt":{"rendered":"

    A proxy service is a company that owns multiple IP subnets and offers access to them on a commercial basis, in other words it leases out proxies. The total number of IP addresses to which such a proxy service has access is called an IP pool. With the many companies that offer proxy servers, it […]<\/p>\n","protected":false},"featured_media":469525,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"kb-categories":[67],"class_list":["post-468675","knowledge-base","type-knowledge-base","status-publish","has-post-thumbnail","hentry","kb-categories-proxy-server-basics"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/knowledge-base\/468675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/knowledge-base"}],"about":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/types\/knowledge-base"}],"version-history":[{"count":3,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/knowledge-base\/468675\/revisions"}],"predecessor-version":[{"id":469526,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/knowledge-base\/468675\/revisions\/469526"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/media\/469525"}],"wp:attachment":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/media?parent=468675"}],"wp:term":[{"taxonomy":"kb-categories","embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/kb-categories?post=468675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}