{"id":41157,"date":"2026-05-05T14:00:08","date_gmt":"2026-05-05T07:00:08","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=41157"},"modified":"2026-05-05T14:00:59","modified_gmt":"2026-05-05T07:00:59","slug":"cach-tao-proxy-tren-vps","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/","title":{"rendered":"C\u00e1ch t\u1ea1o Proxy tr\u00ean VPS \u0110\u01a1n Gi\u1ea3n [5 B\u01b0\u1edbc], Nhanh Ch\u00f3ng 2026"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Tai-sao-nen-tu-tao-Proxy-tren-VPS-thay-vi-mua-san\" >T\u1ea1i sao n\u00ean t\u1ef1 t\u1ea1o Proxy tr\u00ean VPS thay v\u00ec mua s\u1eb5n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Can-chuan-bi-gi-truoc-khi-cai-dat-Proxy\" >C\u1ea7n chu\u1ea9n b\u1ecb g\u00ec tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t Proxy?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#5-Buoc-tao-Proxy-tren-VPS-Linux-voi-Squid-Proxy-Chi-tiet-lenh\" >5 B\u01b0\u1edbc t\u1ea1o Proxy tr\u00ean VPS Linux v\u1edbi Squid Proxy (Chi ti\u1ebft l\u1ec7nh)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Cach-test-Proxy-vua-tao-da-hoat-dong-chua\" >C\u00e1ch test Proxy v\u1eeba t\u1ea1o \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng ch\u01b0a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#3-loi-thuong-gap-khi-cai-Proxy-va-cach-fix\" >3 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi c\u00e0i Proxy v\u00e0 c\u00e1ch fix<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Cau-hoi-thuong-gap-ve-tao-Proxy-tren-VPS\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 t\u1ea1o Proxy tr\u00ean VPS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Squid-Proxy-la-gi-va-tai-sao-lai-pho-bien-tren-Linux\" >Squid Proxy l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao l\u1ea1i ph\u1ed5 bi\u1ebfn tr\u00ean Linux?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Co-the-tao-bao-nhieu-Proxy-tren-1-VPS\" >C\u00f3 th\u1ec3 t\u1ea1o bao nhi\u00eau Proxy tr\u00ean 1 VPS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Lam-sao-de-doi-IP-Proxy-sau-khi-da-cai-dat-xong\" >L\u00e0m sao \u0111\u1ec3 \u0111\u1ed5i IP Proxy sau khi \u0111\u00e3 c\u00e0i \u0111\u1eb7t xong?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Nen-tao-Proxy-tren-Ubuntu-hay-CentOS\" >N\u00ean t\u1ea1o Proxy tr\u00ean Ubuntu hay CentOS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Dung-Proxy-tu-tao-co-so-bi-ro-ri-DNS-khong\" >D\u00f9ng Proxy t\u1ef1 t\u1ea1o c\u00f3 s\u1ee3 b\u1ecb r\u00f2 r\u1ec9 DNS kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/#Lam-chu-he-thong-mang-voi-may-chu-trung-gian\" >L\u00e0m ch\u1ee7 h\u1ec7 th\u1ed1ng m\u1ea1ng v\u1edbi m\u00e1y ch\u1ee7 trung gian<\/a><\/li><\/ul><\/nav><\/div>\n<p><!-- OVERVIEW BLOCK --><\/p>\n<div class=\"summary\">\n<p><strong>T\u00f3m t\u1eaft nhanh:<\/strong> <a href=\"https:\/\/interdata.vn\/blog\/cach-tao-proxy-tren-vps\/\"><strong>C\u00e1ch t\u1ea1o Proxy tr\u00ean VPS<\/strong><\/a> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ea5u h\u00ecnh m\u1ed9t m\u00e1y ch\u1ee7 trung gian \u1ea3o h\u00f3a \u0111\u1ec3 \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1ef1c, gi\u00fap b\u1ea1n duy\u1ec7t web ho\u1eb7c ch\u1ea1y ph\u1ea7n m\u1ec1m \u1ea9n danh ho\u00e0n to\u00e0n. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t m\u00e1y ch\u1ee7 m\u1ea1ng s\u1ea1ch, c\u00f4ng c\u1ee5 c\u1ea5u h\u00ecnh nh\u01b0 Squid, v\u00e0 kho\u1ea3ng 10 ph\u00fat nh\u1eadp l\u1ec7nh qua giao th\u1ee9c SSH. S\u1edf h\u1eefu lu\u1ed3ng m\u1ea1ng c\u00e1 nh\u00e2n gi\u1ea3i quy\u1ebft d\u1ee9t \u0111i\u1ec3m t\u00ecnh tr\u1ea1ng b\u1ecb kh\u00f3a t\u00e0i kho\u1ea3n oan do v\u00f4 t\u00ecnh d\u00f9ng chung d\u1ea3i IP b\u1ea9n.<\/p>\n<ul>\n<li>X\u00e2y d\u1ef1ng m\u1ea1ng trung gian tr\u00ean m\u00e1y ch\u1ee7 \u1ea3o mang l\u1ea1i quy\u1ec1n ki\u1ec3m so\u00e1t \u0111\u1ed9c quy\u1ec1n 100% b\u0103ng th\u00f4ng v\u00e0 d\u1eef li\u1ec7u.<\/li>\n<li>Squid Proxy l\u00e0 g\u00f3i ph\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c khuy\u00ean d\u00f9ng nh\u1edd s\u1ef1 \u1ed5n \u0111\u1ecbnh tr\u00ean n\u1ec1n t\u1ea3ng Linux.<\/li>\n<li>N\u00ean duy tr\u00ec h\u1ec7 th\u1ed1ng tr\u00ean ph\u1ea7n c\u1ee9ng c\u00f3 t\u1ed1i thi\u1ec3u 1GB RAM nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng ngh\u1ebdn c\u1ed5 chai ti\u1ebfn tr\u00ecnh.<\/li>\n<li>M\u1edf ch\u00ednh x\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i tr\u00ean t\u01b0\u1eddng l\u1eeda l\u00e0 thao t\u00e1c b\u1eaft bu\u1ed9c \u0111\u1ec3 thi\u1ebft b\u1ecb b\u00ean ngo\u00e0i nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c m\u00e1y ch\u1ee7.<\/li>\n<\/ul>\n<\/div>\n<p><!-- INTRO HOOK --><\/p>\n<p>B\u1ea1n \u0111ang thu\u00ea chung th\u00f4ng tin m\u1ea1ng ngo\u00e0i ch\u1ee3 \u0111en v\u00e0 th\u1eafc th\u1ecfm kh\u00f4ng bi\u1ebft l\u00fac n\u00e0o t\u00e0i kho\u1ea3n qu\u1ea3ng c\u00e1o c\u1ee7a m\u00ecnh s\u1ebd &#8220;bay m\u00e0u&#8221;? Vi\u1ec7c d\u00f9ng chung IP c\u00f4ng c\u1ed9ng gi\u1ed1ng h\u1ec7t nh\u01b0 \u0111i xe bu\u00fdt: v\u1eeba ch\u1eadm ch\u1ea1p v\u00ec nh\u1ed3i nh\u00e9t \u0111\u00f4ng ng\u01b0\u1eddi, v\u1eeba ti\u1ec1m \u1ea9n r\u1ee7i ro l\u00e2y nhi\u1ec5m ch\u00e9o n\u1ebfu m\u1ed9t h\u00e0nh kh\u00e1ch c\u00f3 l\u1ecbch s\u1eed x\u1ea5u. H\u00e0ng lo\u1ea1t t\u00e0i kho\u1ea3n chia s\u1ebb tr\u00ean m\u1ed9t d\u1ea3i \u0111\u1ecba ch\u1ec9 \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ch\u1ec9 c\u1ea7n m\u1ed9t ng\u01b0\u1eddi vi ph\u1ea1m ch\u00ednh s\u00e1ch n\u1ec1n t\u1ea3ng, to\u00e0n b\u1ed9 s\u1ebd b\u1ecb \u0111\u01b0a v\u00e0o danh s\u00e1ch \u0111en ngay l\u1eadp t\u1ee9c. L\u1ed1i tho\u00e1t k\u1ef9 thu\u1eadt duy nh\u1ea5t l\u00fac n\u00e0y l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng private ri\u00eang bi\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ea1o proxy tr\u00ean VPS th\u00f4ng qua c\u00e1c d\u00f2ng l\u1ec7nh chu\u1ea9n x\u00e1c, gi\u00fap ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng c\u0169ng c\u00f3 th\u1ec3 t\u1ef1 tay l\u00e0m ch\u1ee7 h\u1ea1 t\u1ea7ng k\u1ebft n\u1ed1i ch\u1ec9 sau 10 ph\u00fat thao t\u00e1c.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-41164\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cach-tao-Proxy-tren-VPS.jpg\" alt=\"C\u00e1ch t\u1ea1o Proxy tr\u00ean VPS\" width=\"750\" height=\"560\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cach-tao-Proxy-tren-VPS.jpg 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cach-tao-Proxy-tren-VPS-300x224.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tai-sao-nen-tu-tao-Proxy-tren-VPS-thay-vi-mua-san\"><\/span>T\u1ea1i sao n\u00ean t\u1ef1 t\u1ea1o Proxy tr\u00ean VPS thay v\u00ec mua s\u1eb5n?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>T\u1ef1 t\u1ea1o Proxy tr\u00ean VPS gi\u00fap b\u1ea1n s\u1edf h\u1eefu IP s\u1ea1ch 100%, b\u1ea3o m\u1eadt to\u00e0n v\u1eb9n d\u1eef li\u1ec7u c\u00e1 nh\u00e2n v\u00e0 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i t\u1ed1i \u0111a. Nguy\u00ean nh\u00e2n c\u1ed1t l\u00f5i l\u00e0 do h\u1ec7 th\u1ed1ng kh\u00f4ng ph\u1ea3i chia s\u1ebb \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng v\u1edbi b\u1ea5t k\u1ef3 ai, gi\u00fap tr\u00e1nh ho\u00e0n to\u00e0n r\u1ee7i ro b\u1ecb kh\u00f3a t\u00e0i kho\u1ea3n qu\u1ea3ng c\u00e1o oan u\u1ed5ng. Th\u1ed1ng k\u00ea th\u1ef1c t\u1ebf t\u1eeb c\u00e1c di\u1ec5n \u0111\u00e0n k\u1ef9 thu\u1eadt ghi nh\u1eadn kho\u1ea3ng 80% t\u00e0i kho\u1ea3n MMO b\u1ecb \u0111\u00ecnh ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u b\u1eaft ngu\u1ed3n tr\u1ef1c ti\u1ebfp t\u1eeb vi\u1ec7c k\u1ebft n\u1ed1i qua ngu\u1ed3n IP b\u1ea9n.<\/p>\n<p>T\u1ea1i InterData, \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 h\u1ec7 th\u1ed1ng nh\u1eadn th\u1ea5y c\u00e1c nh\u00f3m ch\u1ea1y ads mang l\u1ea1i hi\u1ec7u su\u1ea5t l\u1ee3i nhu\u1eadn cao nh\u1ea5t \u0111\u1ec1u \u0111\u00e3 chuy\u1ec3n d\u1ecbch ho\u00e0n to\u00e0n sang m\u00f4 h\u00ecnh t\u1ef1 x\u00e2y d\u1ef1ng m\u00e1y ch\u1ee7 trung gian. Quy\u1ec1n ki\u1ec3m so\u00e1t lu\u1ed3ng truy c\u1eadp \u0111\u01b0\u1ee3c giao v\u1ec1 t\u1eadn tay ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb m\u1ea1ng. M\u1ed9t n\u1ec1n t\u1ea3ng \u1ea3o h\u00f3a duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 t\u1ea1o proxy ipv6 tr\u00ean VPS v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u00ean t\u1edbi h\u00e0ng ng\u00e0n IP \u0111\u1ed9c l\u1eadp. Ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n tr\u1ecb n\u00e0y t\u1ed1i \u01b0u chi ph\u00ed c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd so v\u1edbi vi\u1ec7c \u0111i thu\u00ea nh\u1ecf l\u1ebb t\u1eebng k\u1ebft n\u1ed1i h\u00e0ng th\u00e1ng.<\/p>\n<p><!-- CTA BOX 1 --><\/p>\n<div style=\"border-left: 4px solid #0f6cbf; background: #f0f7ff; border-radius: 0 8px 8px 0; padding: 20px 24px; margin: 40px 0; max-width: 100%;\">\n<div style=\"display: flex; align-items: center; margin-bottom: 12px;\"><span style=\"font-size: 22px; margin-right: 10px;\">\ud83d\ude80<\/span><br \/>\n<strong style=\"color: #1a3c6e; font-size: 17px; text-transform: uppercase;\">M\u00e1y Ch\u1ee7 VPS T\u1ed1c \u0110\u1ed9 Cao, IP ri\u00eang \u2014 InterData<\/strong><\/div>\n<p style=\"color: #333; font-size: 14px; margin: 0 0 16px 0; line-height: 1.6;\">\u0110\u1ec3 b\u1eaft \u0111\u1ea7u t\u1ea1o Proxy, b\u1ea1n c\u1ea7n m\u1ed9t m\u00e1y ch\u1ee7 \u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 IP s\u1ea1ch. Nh\u1eadn ngay quy\u1ec1n root h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u1ef1 do c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m \u1ea9n danh chuy\u00ean nghi\u1ec7p.<\/p>\n<p style=\"color: #555; font-size: 13px; margin: 0 0 18px 0;\"><strong style=\"color: #0f6cbf;\">\u2713<\/strong> H\u1ed7 tr\u1ee3 c\u1ea5p ph\u00e1t IPv4\/IPv6<br \/>\n<strong style=\"color: #0f6cbf;\">\u2713<\/strong> Kh\u1edfi t\u1ea1o t\u1ef1 \u0111\u1ed9ng nhanh ch\u00f3ng<br \/>\n<strong style=\"color: #0f6cbf;\">\u2713<\/strong> D\u00f9ng th\u1eed mi\u1ec5n ph\u00ed<\/p>\n<p><a style=\"display: inline-block; background: #0f6cbf; color: #fff; font-size: 14px; font-weight: 600; text-decoration: none; padding: 10px 22px; border-radius: 6px;\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">Xem B\u1ea3ng Gi\u00e1 Thu\u00ea VPS Gi\u00e1 R\u1ebb \u2192<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Can-chuan-bi-gi-truoc-khi-cai-dat-Proxy\"><\/span>C\u1ea7n chu\u1ea9n b\u1ecb g\u00ec tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t Proxy?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ecdi quy tr\u00ecnh k\u1ef9 thu\u1eadt \u0111\u1ec1u \u0111\u00f2i h\u1ecfi c\u00f4ng c\u1ee5 n\u1ec1n t\u1ea3ng t\u01b0\u01a1ng \u1ee9ng. Nh\u1eb1m \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp di\u1ec5n ra tr\u01a1n tru, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c t\u00e0i nguy\u00ean sau \u0111\u00e2y.<\/p>\n<ul>\n<li><strong>M\u00e1y ch\u1ee7 \u1ea3o:<\/strong> 1 thi\u1ebft b\u1ecb \u0111\u00e3 c\u00e0i \u0111\u1eb7t s\u1eb5n h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux (khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng b\u1ea3n ph\u00e2n ph\u1ed1i Ubuntu 20.04\/22.04 LTS ho\u1eb7c CentOS).<\/li>\n<li><strong>Ph\u1ea7n m\u1ec1m SSH:<\/strong> C\u00f4ng c\u1ee5 k\u1ebft n\u1ed1i b\u1ea3o m\u1eadt t\u1eeb xa nh\u01b0 PuTTY, MobaXterm ho\u1eb7c terminal m\u1eb7c \u0111\u1ecbnh t\u00edch h\u1ee3p s\u1eb5n c\u1ee7a MacOS.<\/li>\n<li><strong>Quy\u1ec1n qu\u1ea3n tr\u1ecb:<\/strong> M\u1eadt kh\u1ea9u root c\u1ee7a m\u00e1y ch\u1ee7 ho\u1eb7c t\u1ec7p SSH Key \u0111\u1ec3 th\u1ef1c thi c\u00e1c t\u1ec7p l\u1ec7nh y\u00eau c\u1ea7u \u0111\u1eb7c quy\u1ec1n h\u1ec7 th\u1ed1ng cao.<\/li>\n<\/ul>\n<p>Tr\u01b0\u1eddng h\u1ee3p nhu c\u1ea7u c\u1ee7a b\u1ea1n l\u00e0 m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u thi\u1ebft b\u1ecb thay v\u00ec ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf tr\u00ecnh duy\u1ec7t web, h\u1ea1 t\u1ea7ng proxy \u0111\u01a1n thu\u1ea7n s\u1ebd kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u1ee7. L\u00fac n\u00e0y, thao t\u00e1c c\u00e0i VPN tr\u00ean VPS l\u00e0 ph\u01b0\u01a1ng \u00e1n b\u1ea3o v\u1ec7 m\u1ea1ng to\u00e0n c\u1ee5c hi\u1ec7u qu\u1ea3 h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-41163\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cach-tao-Proxy-tren-VPS-1.jpg\" alt=\"C\u00e1ch t\u1ea1o Proxy tr\u00ean VPS\" width=\"750\" height=\"560\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cach-tao-Proxy-tren-VPS-1.jpg 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cach-tao-Proxy-tren-VPS-1-300x224.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5-Buoc-tao-Proxy-tren-VPS-Linux-voi-Squid-Proxy-Chi-tiet-lenh\"><\/span>5 B\u01b0\u1edbc t\u1ea1o Proxy tr\u00ean VPS Linux v\u1edbi Squid Proxy (Chi ti\u1ebft l\u1ec7nh)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng d\u01b0\u1edbi \u0111\u00e2y s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 m\u00e3 ngu\u1ed3n m\u1edf c\u1ef1c k\u1ef3 \u1ed5n \u0111\u1ecbnh. To\u00e0n b\u1ed9 k\u1ecbch b\u1ea3n c\u1ea5u h\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt InterData ki\u1ec3m ch\u1ee9ng tr\u1ef1c ti\u1ebfp tr\u00ean m\u00f4i tr\u01b0\u1eddng Ubuntu 22.04 LTS.<\/p>\n<p><strong>1\/ C\u1eadp nh\u1eadt kho \u1ee9ng d\u1ee5ng:<\/strong> L\u00e0m m\u1edbi danh s\u00e1ch c\u00e1c g\u00f3i ph\u1ea7n m\u1ec1m v\u00e0 t\u1ea3i h\u1ec7 th\u1ed1ng l\u00f5i v\u1ec1 m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef.<\/p>\n<pre><code>apt update &amp;&amp; apt install squid -y<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41165\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cap-nhat-kho-ung-dung.png\" alt=\"C\u1eadp nh\u1eadt kho \u1ee9ng d\u1ee5ng\" width=\"800\" height=\"635\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cap-nhat-kho-ung-dung.png 1225w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cap-nhat-kho-ung-dung-300x238.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cap-nhat-kho-ung-dung-1024x813.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cap-nhat-kho-ung-dung-768x610.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>2\/ C\u1ea5u h\u00ecnh c\u1ed5ng giao ti\u1ebfp:<\/strong> T\u00e0i li\u1ec7u v\u1eadn h\u00e0nh ch\u00ednh th\u1ee9c t\u1eeb trang ch\u1ee7 <code>squid-cache.org<\/code> nh\u1ea5n m\u1ea1nh vi\u1ec7c thi\u1ebft l\u1eadp ACL (Access Control Lists) l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ec3 ng\u0103n ch\u1eb7n botnet l\u1ea1m d\u1ee5ng \u0111\u01b0\u1eddng truy\u1ec1n. M\u1edf tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n nano.<\/p>\n<pre><code>nano \/etc\/squid\/squid.conf<\/code><\/pre>\n<p>T\u00ecm \u0111\u1ebfn d\u00f2ng ch\u1ee9a tham s\u1ed1 <code>http_port 3128<\/code> v\u00e0 thay \u0111\u1ed5i th\u00e0nh con s\u1ed1 b\u1ea1n mong mu\u1ed1n, v\u00ed d\u1ee5 c\u1ea5u h\u00ecnh sang port 8888.<\/p>\n<p>N\u1ebfu b\u1ea1n t\u00ecm kh\u00f4ng ra tham s\u1ed1 <code>http_port 3128<\/code>, h\u00e3y s\u1eed d\u1ee5ng t\u1ed5 h\u1ee3p <strong>Ctrl + W<\/strong> \u0111\u1ec3 t\u00ecm ki\u1ebfm &gt; Nh\u1eadp <code>http_port 3128<\/code> v\u00e0 nh\u1ea5n <strong>Enter<\/strong>.<\/p>\n<p>Sau \u0111\u00f3 <strong>Ctrl + O<\/strong> \u0111\u1ec3 l\u01b0u file &gt; <strong>Enter<\/strong> \u0111\u1ec3 x\u00e1c nh\u1eadn t\u00ean file &gt; <strong>Ctrl + X<\/strong> \u0111\u1ec3 tho\u00e1t trang<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41166\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cau-hinh-cong-giao-tiep.png\" alt=\"C\u1ea5u h\u00ecnh c\u1ed5ng giao ti\u1ebfp\" width=\"800\" height=\"622\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cau-hinh-cong-giao-tiep.png 1143w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cau-hinh-cong-giao-tiep-300x233.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cau-hinh-cong-giao-tiep-1024x796.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Cau-hinh-cong-giao-tiep-768x597.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>3\/ Thi\u1ebft l\u1eadp h\u00e0ng r\u00e0o x\u00e1c th\u1ef1c:<\/strong> L\u1edbp b\u1ea3o v\u1ec7 b\u1eb1ng User v\u00e0 Password gi\u00fap ch\u1eb7n \u0111\u1ee9ng c\u00e1c truy c\u1eadp tr\u00e1i ph\u00e9p c\u1ed1 t\u00ecnh d\u00f9ng ch\u00f9a t\u00e0i nguy\u00ean m\u1ea1ng. C\u00e0i \u0111\u1eb7t ti\u1ec7n \u00edch qu\u1ea3n l\u00fd chu\u1ed7i m\u00e3 h\u00f3a.<\/p>\n<pre><code>apt install apache2-utils -y<\/code><\/pre>\n<p>Kh\u1edfi t\u1ea1o t\u00e0i kho\u1ea3n ki\u1ec3m so\u00e1t b\u1eb1ng c\u00fa ph\u00e1p b\u00ean d\u01b0\u1edbi (ch\u1ee7 \u0111\u1ed9ng \u0111\u1ed5i myuser th\u00e0nh t\u00ean \u0111\u0103ng nh\u1eadp c\u1ee7a b\u1ea1n).<\/p>\n<pre><code>htpasswd -c \/etc\/squid\/passwords myuser<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41167\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Thiet-lap-hang-rao-xac-thuc.png\" alt=\"Thi\u1ebft l\u1eadp h\u00e0ng r\u00e0o x\u00e1c th\u1ef1c\" width=\"800\" height=\"128\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Thiet-lap-hang-rao-xac-thuc.png 910w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Thiet-lap-hang-rao-xac-thuc-300x48.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Thiet-lap-hang-rao-xac-thuc-768x123.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>4\/ Can thi\u1ec7p h\u1ec7 th\u1ed1ng t\u01b0\u1eddng l\u1eeda:<\/strong> Vi\u1ec7c qu\u00ean m\u1edf lu\u1ed3ng d\u1eef li\u1ec7u s\u1ebd khi\u1ebfn ph\u1ea7n m\u1ec1m b\u1ecb c\u00f4 l\u1eadp ho\u00e0n to\u00e0n. Cho ph\u00e9p c\u1ed5ng 8888 nh\u1eadn k\u1ebft n\u1ed1i t\u1eeb b\u00ean ngo\u00e0i v\u00e0o.<\/p>\n<pre><code>ufw allow 8888\/tcp<\/code><\/pre>\n<pre><code>ufw reload<\/code><\/pre>\n<p>N\u1ebfu terminal th\u00f4ng b\u00e1o <code>...'ufw' not found...<\/code> th\u00ec nguy\u00ean nh\u00e2n l\u00e0 do m\u00e1y ch\u1ee7 VPS ch\u01b0a c\u00e0i \u0111\u1eb7t ufw. \u0110\u1ec3 c\u00e0i \u0111\u1eb7t ufw, b\u1ea1n h\u00e3y s\u1eed d\u1ee5ng l\u1ec7nh sau:<\/p>\n<pre><code>apt install ufw -y<\/code><\/pre>\n<p>Xong r\u1ed3i ch\u1ea1y l\u1ea1i l\u1ec7nh:<\/p>\n<pre><code>ufw allow 8888\/tcp<\/code><\/pre>\n<pre><code>ufw reload<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41168\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Can-thiep-he-thong-tuong-lua.png\" alt=\"Can thi\u1ec7p h\u1ec7 th\u1ed1ng t\u01b0\u1eddng l\u1eeda\" width=\"800\" height=\"594\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Can-thiep-he-thong-tuong-lua.png 1070w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Can-thiep-he-thong-tuong-lua-300x223.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Can-thiep-he-thong-tuong-lua-1024x760.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Can-thiep-he-thong-tuong-lua-768x570.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>5\/ Kh\u1edfi \u0111\u1ed9ng ti\u1ebfn tr\u00ecnh x\u1eed l\u00fd:<\/strong> Y\u00eau c\u1ea7u ph\u1ea7n m\u1ec1m n\u1ea1p l\u1ea1i to\u00e0n b\u1ed9 file v\u0103n b\u1ea3n v\u1eeba ch\u1ec9nh s\u1eeda \u1edf c\u00e1c b\u01b0\u1edbc tr\u00ean.<\/p>\n<pre><code>systemctl restart squid<\/code><\/pre>\n<pre><code>systemctl status squid<\/code><\/pre>\n<p>M\u00e1y ch\u1ee7 s\u1ebd tr\u1ea3 v\u1ec1 th\u00f4ng b\u00e1o tr\u1ea1ng th\u00e1i &#8220;active (running)&#8221; m\u00e0u xanh l\u00e1 c\u00e2y n\u1ebfu b\u1ea1n thao t\u00e1c chu\u1ea9n x\u00e1c.<\/p>\n<figure id=\"attachment_41162\" aria-describedby=\"caption-attachment-41162\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-41162\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Man-hinh-terminal-thong-bao-thiet-lap-Squid-Proxy-thanh-cong.png\" alt=\"M\u00e0n h\u00ecnh terminal th\u00f4ng b\u00e1o thi\u1ebft l\u1eadp Squid Proxy th\u00e0nh c\u00f4ng\" width=\"800\" height=\"479\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Man-hinh-terminal-thong-bao-thiet-lap-Squid-Proxy-thanh-cong.png 1163w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Man-hinh-terminal-thong-bao-thiet-lap-Squid-Proxy-thanh-cong-300x180.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Man-hinh-terminal-thong-bao-thiet-lap-Squid-Proxy-thanh-cong-1024x613.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/05\/Man-hinh-terminal-thong-bao-thiet-lap-Squid-Proxy-thanh-cong-768x460.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-41162\" class=\"wp-caption-text\">M\u00e0n h\u00ecnh terminal th\u00f4ng b\u00e1o thi\u1ebft l\u1eadp Squid Proxy th\u00e0nh c\u00f4ng<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Cach-test-Proxy-vua-tao-da-hoat-dong-chua\"><\/span>C\u00e1ch test Proxy v\u1eeba t\u1ea1o \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng ch\u01b0a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng sau khi c\u1ea5u h\u00ecnh xong kh\u00f4ng th\u1ec3 \u0111\u01b0a v\u00e0o khai th\u00e1c th\u01b0\u01a1ng m\u1ea1i ngay l\u1eadp t\u1ee9c. Thao t\u00e1c ki\u1ec3m th\u1eed ch\u00e9o gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c lu\u1ed3ng truy c\u1eadp \u0111\u00e3 \u0111i qua \u0111\u00fang m\u00e1y ch\u1ee7 trung gian hay ch\u01b0a.<\/p>\n<p>\u0110\u1ed1i v\u1edbi giao di\u1ec7n web th\u00f4ng th\u01b0\u1eddng, c\u00e1ch nhanh nh\u1ea5t l\u00e0 c\u00e0i \u0111\u1eb7t ti\u1ec7n \u00edch m\u1edf r\u1ed9ng FoxyProxy ho\u1eb7c SwitchyOmega. Ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb ti\u1ebfn h\u00e0nh nh\u1eadp tr\u1ef1c ti\u1ebfp chu\u1ed7i IP m\u00e1y ch\u1ee7, th\u00f4ng s\u1ed1 Port 8888 v\u00e0 chu\u1ed7i User\/Pass v\u1eeba t\u1ea1o. Sau \u0111\u00f3, th\u1eed truy c\u1eadp v\u00e0o c\u00e1c trang \u0111o l\u01b0\u1eddng \u0111\u1ecba ch\u1ec9 m\u1ea1ng \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu k\u1ebft qu\u1ea3 nh\u1eadn di\u1ec7n.<\/p>\n<p>K\u1ef9 s\u01b0 m\u1ea1ng th\u01b0\u1eddng \u01b0a chu\u1ed9ng c\u00e1ch th\u1ee9 hai g\u1ecdn nh\u1eb9 h\u01a1n: ki\u1ec3m tra th\u00f4ng qua c\u00f4ng c\u1ee5 cURL ngay tr\u00ean c\u1eeda s\u1ed5 d\u00f2ng l\u1ec7nh. B\u1ea1n d\u00e1n c\u00fa ph\u00e1p sau v\u00e0o m\u00e1y t\u00ednh c\u00e1 nh\u00e2n:<\/p>\n<pre><code>curl -x http:\/\/myuser:mypassword@IP_VPS:8888 https:\/\/api.ipify.org<\/code><\/pre>\n<p>H\u1ec7 th\u1ed1ng tr\u1ea3 v\u1ec1 m\u00e0n h\u00ecnh \u0111\u00fang d\u00e3y s\u1ed1 IP c\u1ee7a m\u00e1y ch\u1ee7 ch\u1ee9ng t\u1ecf qu\u00e1 tr\u00ecnh \u0111\u1ecbnh tuy\u1ebfn \u0111\u00e3 di\u1ec5n ra ho\u00e0n h\u1ea3o.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3-loi-thuong-gap-khi-cai-Proxy-va-cach-fix\"><\/span>3 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi c\u00e0i Proxy v\u00e0 c\u00e1ch fix<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c v\u1eadn h\u00e0nh b\u1ea5t k\u1ef3 h\u1ea1 t\u1ea7ng m\u1ea1ng n\u00e0o c\u0169ng lu\u00f4n \u0111i k\u00e8m r\u1ee7i ro ph\u00e1t sinh s\u1ef1 c\u1ed1 ng\u1ea7m. K\u1ef9 n\u0103ng &#8220;b\u1eaft b\u1ec7nh&#8221; chu\u1ea9n x\u00e1c gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m h\u00e0ng gi\u1edd \u0111\u1ed3ng h\u1ed3 c\u0103ng th\u1eb3ng d\u00f2 t\u00ecm ph\u01b0\u01a1ng \u00e1n kh\u1eafc ph\u1ee5c tr\u00ean c\u00e1c di\u1ec5n \u0111\u00e0n c\u00f4ng ngh\u1ec7.<\/p>\n<p>Tri\u1ec7u ch\u1ee9ng &#8220;Connection Refused&#8221; th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n nh\u1ea5t do qu\u1ea3n tr\u1ecb vi\u00ean b\u1ecf s\u00f3t b\u01b0\u1edbc m\u1edf c\u1ed5ng m\u1ea1ng tr\u00ean t\u01b0\u1eddng l\u1eeda. Nhi\u1ec1u ng\u01b0\u1eddi c\u00f3 th\u00f3i quen nguy hi\u1ec3m l\u00e0 g\u00f5 l\u1ec7nh v\u00f4 hi\u1ec7u h\u00f3a to\u00e0n b\u1ed9 firewall ch\u1ec9 \u0111\u1ec3 qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t tr\u00f3t l\u1ecdt nhanh ch\u00f3ng. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng l\u00e0m \u0111i\u1ec1u n\u00e0y v\u00ec m\u00e1y \u1ea3o khi m\u1ea5t r\u00e0o ch\u1eafn r\u1ea5t d\u1ec5 tr\u1edf th\u00e0nh m\u1ed3i ngon cho botnet c\u1ea5y m\u00e3 \u0111\u1ed9c \u0111\u00e0o ti\u1ec1n \u1ea3o. Gi\u1ea3i ph\u00e1p duy nh\u1ea5t l\u00e0 r\u00e0 so\u00e1t l\u1ea1i c\u00fa ph\u00e1p c\u1ea5p ph\u00e9p tr\u00ean UFW.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, l\u1ed7i &#8220;Access Denied&#8221; l\u1ea1i l\u00e0 h\u1ec7 qu\u1ea3 tr\u1ef1c ti\u1ebfp c\u1ee7a vi\u1ec7c vi\u1ebft sai quy t\u1eafc trong file c\u1ea5u h\u00ecnh l\u00f5i. B\u1ea1n ph\u1ea3i ki\u1ec3m tra d\u00f2ng <code>http_access deny all<\/code> v\u00e0 tinh ch\u1ec9nh l\u1ea1i th\u00e0nh <code>allow<\/code> \u0111\u1ed1i v\u1edbi nh\u1eefng d\u1ea3i m\u1ea1ng h\u1ee3p l\u1ec7, ho\u1eb7c x\u00e1c nh\u1eadn \u0111\u01b0\u1eddng d\u1eabn tr\u1ecf t\u1edbi file m\u1eadt kh\u1ea9u kh\u00f4ng b\u1ecb l\u1ec7ch k\u00fd t\u1ef1.<\/p>\n<p>T\u00ecnh tr\u1ea1ng ti\u1ebfn tr\u00ecnh ng\u01b0ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t (Out of Memory) x\u1ea3y ra khi l\u01b0\u1ee3ng truy c\u1eadp d\u1ed9i v\u00e0o v\u01b0\u1ee3t ng\u01b0\u1ee1ng ch\u1ecbu \u0111\u1ef1ng. Kinh nghi\u1ec7m tri\u1ec3n khai ph\u1ea7n c\u1ee9ng t\u1eeb InterData ch\u1ec9 ra r\u1eb1ng n\u1ec1n t\u1ea3ng c\u1ea7n \u00edt nh\u1ea5t 1GB RAM \u0111\u1ec3 l\u00f5i ph\u1ea7n m\u1ec1m duy tr\u00ec phi\u00ean k\u1ebft n\u1ed1i m\u00e0 kh\u00f4ng b\u1ecb h\u1ec7 \u0111i\u1ec1u h\u00e0nh ti\u00eau di\u1ec7t. Ngo\u00e0i vi\u1ec7c thao t\u00e1c qua s\u1ed1 IP th\u00f4 c\u1ee9ng, qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 <a href=\"https:\/\/interdata.vn\/blog\/cach-tro-domain-ve-vps\/\" target=\"_blank\" rel=\"noopener\">tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 VPS<\/a> nh\u1eb1m qu\u1ea3n l\u00fd \u0111i\u1ec3m truy c\u1eadp trung gian m\u1ed9t c\u00e1ch tinh g\u1ecdn v\u00e0 chuy\u00ean nghi\u1ec7p h\u01a1n.<\/p>\n<p><!-- CTA BOX 2 --><\/p>\n<div style=\"border-left: 4px solid #0f6cbf; background: #f0f7ff; border-radius: 0 8px 8px 0; padding: 20px 24px; margin: 40px 0; max-width: 100%;\">\n<div style=\"display: flex; align-items: center; margin-bottom: 12px;\"><span style=\"font-size: 22px; margin-right: 10px;\">\ud83d\ude80<\/span><br \/>\n<strong style=\"color: #1a3c6e; font-size: 17px; text-transform: uppercase;\">Khuy\u1ebfn m\u00e3i VPS c\u1ea5u h\u00ecnh cao \u2014 InterData<\/strong><\/div>\n<p style=\"color: #333; font-size: 14px; margin: 0 0 16px 0; line-height: 1.6;\">Mu\u1ed1n build d\u00e0n h\u1ec7 th\u1ed1ng m\u1ea1ng kh\u1ee7ng nh\u01b0ng s\u1ee3 t\u1ed1n k\u00e9m? Kh\u00e1m ph\u00e1 ngay c\u00e1c deal s\u1eadp s\u00e0n ch\u01b0a t\u1eebng c\u00f4ng b\u1ed1 \u0111\u1ec3 s\u1edf h\u1eefu m\u00e1y ch\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi gi\u00e1 sinh vi\u00ean.<\/p>\n<p style=\"color: #555; font-size: 13px; margin: 0 0 18px 0;\"><strong style=\"color: #0f6cbf;\">\u2713<\/strong> C\u1eadp nh\u1eadt khuy\u1ebfn m\u00e3i th\u01b0\u1eddng xuy\u00ean<br \/>\n<strong style=\"color: #0f6cbf;\">\u2713<\/strong> \u0110a d\u1ea1ng c\u1ea5u h\u00ecnh<br \/>\n<strong style=\"color: #0f6cbf;\">\u2713<\/strong> \u0110\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng v\u00e0 ti\u1ebft ki\u1ec7m<\/p>\n<p><a style=\"display: inline-block; background: #0f6cbf; color: #fff; font-size: 14px; font-weight: 600; text-decoration: none; padding: 10px 22px; border-radius: 6px;\" href=\"https:\/\/interdata.vn\/canhme\/\" target=\"_blank\" rel=\"noopener\">S\u0103n Khuy\u1ebfn M\u00e3i VPS T\u1ea1i Canh Me \u2192<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Cau-hoi-thuong-gap-ve-tao-Proxy-tren-VPS\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 t\u1ea1o Proxy tr\u00ean VPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Squid-Proxy-la-gi-va-tai-sao-lai-pho-bien-tren-Linux\"><\/span>Squid Proxy l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao l\u1ea1i ph\u1ed5 bi\u1ebfn tr\u00ean Linux?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Squid Proxy l\u00e0 ph\u1ea7n m\u1ec1m chuy\u1ec3n ti\u1ebfp m\u1ea1ng m\u00e3 ngu\u1ed3n m\u1edf c\u1ef1c k\u1ef3 n\u1ed5i ti\u1ebfng tr\u00ean m\u00f4i tr\u01b0\u1eddng m\u00e1y ch\u1ee7 Linux. H\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c gi\u1edbi k\u1ef9 thu\u1eadt \u01b0a chu\u1ed9ng nh\u1edd \u01b0u \u0111i\u1ec3m dung l\u01b0\u1ee3ng bi\u00ean d\u1ecbch nh\u1eb9, chi ph\u00ed 0 \u0111\u1ed3ng v\u00e0 thao t\u00e1c tinh ch\u1ec9nh tr\u1ef1c ti\u1ebfp qua file text r\u1ea5t linh ho\u1ea1t. N\u1ec1n t\u1ea3ng c\u0169ng h\u1ed7 tr\u1ee3 x\u1eed l\u00fd m\u01b0\u1ee3t m\u00e0 kh\u1ed1i l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 c\u00e1c giao th\u1ee9c HTTP\/HTTPS.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Co-the-tao-bao-nhieu-Proxy-tren-1-VPS\"><\/span>C\u00f3 th\u1ec3 t\u1ea1o bao nhi\u00eau Proxy tr\u00ean 1 VPS?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>S\u1ed1 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng truy\u1ec1n t\u1ea1o ra b\u1ecb gi\u1edbi h\u1ea1n tr\u1ef1c ti\u1ebfp b\u1edfi t\u1ed5ng s\u1ed1 \u0111\u1ecba ch\u1ec9 m\u1ea1ng m\u00e0 h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a \u0111\u00f3 \u0111ang n\u1eafm gi\u1eef. N\u1ebfu thi\u1ebft b\u1ecb ch\u1ec9 \u0111\u01b0\u1ee3c g\u00e1n \u0111\u00fang 1 IPv4, ng\u01b0\u1eddi d\u00f9ng thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c 1 k\u00eanh truy c\u1eadp duy nh\u1ea5t. Tr\u01b0\u1eddng h\u1ee3p b\u1ea1n ch\u1ee7 \u0111\u1ed9ng y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p b\u1ed5 sung th\u00eam d\u1ea3i subnet \/64 IPv6, h\u1ec7 th\u1ed1ng cho ph\u00e9p sinh ra h\u00e0ng ngh\u00ecn \u0111i\u1ec3m truy c\u1eadp \u0111\u1ed9c l\u1eadp.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lam-sao-de-doi-IP-Proxy-sau-khi-da-cai-dat-xong\"><\/span>L\u00e0m sao \u0111\u1ec3 \u0111\u1ed5i IP Proxy sau khi \u0111\u00e3 c\u00e0i \u0111\u1eb7t xong?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea3n th\u00e2n c\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n Linux kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng sinh ra m\u1ed9t \u0111\u1ecba ch\u1ec9 \u0111\u1ecbnh danh m\u1edbi tr\u00ean internet. \u0110\u1ec3 thay \u0111\u1ed5i th\u00f4ng s\u1ed1 n\u00e0y, b\u1ea1n c\u1ea7n g\u1eedi ticket y\u00eau c\u1ea7u \u0111\u01a1n v\u1ecb cho thu\u00ea m\u00e1y ch\u1ee7 th\u1ef1c hi\u1ec7n vi\u1ec7c tr\u00e1o \u0111\u1ed5i IP public. Sau khi ph\u1ea7n c\u1ee9ng nh\u1eadn d\u1ea3i th\u00f4ng tin m\u1edbi, c\u00e1c \u1ee9ng d\u1ee5ng trung gian s\u1ebd l\u1eadp t\u1ee9c nh\u1eadn di\u1ec7n v\u00e0 \u0111\u1ecbnh tuy\u1ebfn theo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nen-tao-Proxy-tren-Ubuntu-hay-CentOS\"><\/span>N\u00ean t\u1ea1o Proxy tr\u00ean Ubuntu hay CentOS?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ef1a ch\u1ecdn n\u1ec1n t\u1ea3ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ee5 thu\u1ed9c s\u00e2u s\u1eafc v\u00e0o th\u00f3i quen x\u1eed l\u00fd l\u1ec7nh terminal c\u1ee7a ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. InterData \u0111\u1eb7c bi\u1ec7t khuy\u1ebfn ngh\u1ecb c\u00e1c phi\u00ean b\u1ea3n Ubuntu 20.04 ho\u1eb7c 22.04 LTS cho ng\u01b0\u1eddi m\u1edbi ti\u1ebfp c\u1eadn h\u1ec7 th\u1ed1ng m\u1ea1ng. H\u1ec7 \u0111i\u1ec1u h\u00e0nh n\u00e0y s\u1edf h\u1eefu c\u1ed9ng \u0111\u1ed3ng chuy\u00ean gia \u0111\u00f4ng \u0111\u1ea3o, gi\u00fap gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3 l\u1ed7i v\u1eb7t do thi\u1ebfu th\u01b0 vi\u1ec7n \u0111\u00f3ng g\u00f3i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dung-Proxy-tu-tao-co-so-bi-ro-ri-DNS-khong\"><\/span>D\u00f9ng Proxy t\u1ef1 t\u1ea1o c\u00f3 s\u1ee3 b\u1ecb r\u00f2 r\u1ec9 DNS kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u1ea1ng th\u00e1i r\u00f2 r\u1ec9 truy v\u1ea5n (DNS Leak) ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 x\u1ea3y ra n\u1ebfu qu\u1ea3n tr\u1ecb vi\u00ean \u0111\u1ec3 nguy\u00ean tham s\u1ed1 c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 ph\u00e1t h\u00e0nh. Nh\u1eb1m v\u00e1 d\u1ee9t \u0111i\u1ec3m l\u1ed7 h\u1ed5ng n\u00e0y, h\u00e3y ch\u1ee7 \u0111\u1ed9ng b\u1ed5 sung l\u1ec7nh <code>dns_v4_first on<\/code> v\u00e0 khai b\u00e1o c\u1ee9ng <code>dns_nameservers 8.8.8.8 8.8.4.4<\/code> v\u00e0o file thi\u1ebft l\u1eadp g\u1ed1c. C\u01a1 ch\u1ebf n\u00e0y \u00e9p m\u1ecdi g\u00f3i tin ph\u00e2n gi\u1ea3i ph\u1ea3i ch\u1ea1y qua c\u00e1nh c\u1eeda trung gian, gi\u1eef ng\u01b0\u1eddi d\u00f9ng \u1ea9n danh tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lam-chu-he-thong-mang-voi-may-chu-trung-gian\"><\/span>L\u00e0m ch\u1ee7 h\u1ec7 th\u1ed1ng m\u1ea1ng v\u1edbi m\u00e1y ch\u1ee7 trung gian<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S\u1edf h\u1eefu m\u1ed9t lu\u1ed3ng truy c\u1eadp t\u00e1ch bi\u1ec7t kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt t\u1ea1m th\u1eddi, m\u00e0 \u0111\u00f3 l\u00e0 ch\u1ed1t ch\u1eb7n b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n s\u1ed1 c\u1ed1t l\u00f5i. Kh\u00f4ng c\u00f2n r\u1ee7i ro ch\u1ebft ch\u00f9m t\u00e0i kho\u1ea3n. Kh\u00f4ng c\u00f2n n\u1ed7i b\u1ef1c d\u1ecdc v\u00ec chia s\u1ebb b\u0103ng th\u00f4ng. Kh\u00f4ng c\u00f2n s\u1ef1 l\u1ec7 thu\u1ed9c v\u00e0o c\u00e1c \u0111\u1ea7u n\u1eadu b\u00e1n t\u00e0i nguy\u00ean m\u1eadp m\u1edd. Th\u1ef1c h\u00e0nh c\u00e1ch t\u1ea1o proxy tr\u00ean VPS \u0111\u01b0a \u0111\u1eb7c quy\u1ec1n ki\u1ec3m so\u00e1t b\u1ea3o m\u1eadt quay v\u1ec1 tay ng\u01b0\u1eddi d\u00f9ng v\u1edbi ng\u00e2n s\u00e1ch duy tr\u00ec th\u1ea5p nh\u1ea5t.<\/p>\n<p>H\u1ec7 th\u1ed1ng che gi\u1ea5u IP n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 v\u1eadn h\u00e0nh tr\u01a1n tru 24\/7 khi n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean m\u1ed9t kh\u1ed1i ph\u1ea7n c\u1ee9ng \u0111\u1ee7 m\u1ea1nh m\u1ebd. Vi\u1ec7c \u0111\u1ea7u t\u01b0 thu\u00ea m\u1ed9t h\u1ec7 th\u1ed1ng M\u00e1y ch\u1ee7 \u1ea3o VPS s\u1ea1ch, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd nhanh l\u00e0 nh\u00e2n t\u1ed1 quy\u1ebft \u0111\u1ecbnh s\u1ef1 li\u1ec1n m\u1ea1ch c\u1ee7a chu\u1ed7i k\u1ebft n\u1ed1i. \u0110\u1eebng \u0111\u1ec3 \u0111\u01b0\u1eddng truy\u1ec1n ch\u1eafp v\u00e1 t\u01b0\u1edbc \u0111i c\u01a1 h\u1ed9i t\u0103ng tr\u01b0\u1edfng doanh thu qu\u1ea3ng c\u00e1o c\u1ee7a t\u1ed5 ch\u1ee9c.<\/p>\n<p><strong>Li\u00ean h\u1ec7 ngay v\u1edbi InterData \u0111\u1ec3 l\u1ef1a ch\u1ecdn h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a t\u1ed1i \u01b0u v\u00e0 b\u1eaft tay kh\u1edfi t\u1ea1o m\u1ea1ng ri\u00eang c\u1ee7a b\u1ea1n ngay t\u1eeb h\u00f4m nay.<\/strong><\/p>\n<ul>\n<li><strong>Website: <a href=\"https:\/\/interdata.vn\/\" target=\"_blank\" rel=\"noopener\">interdata.vn<\/a><\/strong><\/li>\n<li><strong>Facebook: <a href=\"https:\/\/www.facebook.com\/interdata.com.vn\" target=\"_blank\" rel=\"nofollow noopener\">facebook.com\/interdata.com.vn<\/a><\/strong><\/li>\n<li><strong>Hotline: 1900636822<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f3m t\u1eaft nhanh: C\u00e1ch t\u1ea1o Proxy tr\u00ean VPS l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ea5u h\u00ecnh m\u1ed9t m\u00e1y ch\u1ee7 trung gian \u1ea3o h\u00f3a \u0111\u1ec3 \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1ef1c, gi\u00fap b\u1ea1n duy\u1ec7t web ho\u1eb7c ch\u1ea1y ph\u1ea7n m\u1ec1m \u1ea9n danh ho\u00e0n to\u00e0n. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t m\u00e1y ch\u1ee7 m\u1ea1ng s\u1ea1ch, c\u00f4ng c\u1ee5 c\u1ea5u h\u00ecnh nh\u01b0 Squid, v\u00e0<\/p>\n","protected":false},"author":2,"featured_media":41164,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-41157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vps"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=41157"}],"version-history":[{"count":5,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41157\/revisions"}],"predecessor-version":[{"id":41169,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41157\/revisions\/41169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/41164"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=41157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=41157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=41157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}