{"id":468697,"date":"2020-11-30T00:00:00","date_gmt":"2020-11-30T00:00:00","guid":{"rendered":"https:\/\/proxycompass.com\/knowledge-base\/what-are-socks-proxies\/"},"modified":"2024-04-30T12:28:52","modified_gmt":"2024-04-30T12:28:52","slug":"what-are-socks-proxies","status":"publish","type":"knowledge-base","link":"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-socks-proxies\/","title":{"rendered":"Proxy SOCKS5 l\u00e0 g\u00ec v\u00e0 ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 nghe n\u00f3i v\u1ec1 proxy v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 l\u00e0 proxy SOCKS. C\u1ed1t l\u00f5i c\u1ee7a h\u1ecd, <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-is-a-proxy-server\/\">m\u00e1y ch\u1ee7 proxy<\/a> ho\u1eb7c proxy l\u00e0 c\u00e1c trung gian d\u1ef1a tr\u00ean ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1eb7t tr\u00ean m\u00e1y c\u1ee5c b\u1ed9 ho\u1eb7c t\u1eeb xa. Trong vai tr\u00f2 trung gian n\u00e0y, ch\u00fang \u0111\u1ecbnh tuy\u1ebfn t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp gi\u1eefa c\u00e1c tr\u00ecnh duy\u1ec7t web (m\u00e1y kh\u00e1ch web) v\u00e0 m\u00e1y ch\u1ee7 web th\u00f4ng qua ch\u00ednh ch\u00fang, do \u0111\u00f3 ch\u1eb7n ho\u1eb7c ng\u0103n ch\u1eb7n ho\u1ea1t \u0111\u1ed9ng li\u00ean l\u1ea1c tr\u1ef1c ti\u1ebfp.<\/p>\n<p>\u0110\u1ed3ng th\u1eddi, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i, proxy che gi\u1ea5u m\u1ed9t s\u1ed1 th\u00f4ng tin v\u1ec1 danh t\u00ednh tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n. V\u00ed d\u1ee5 v\u1ec1 d\u1eef li\u1ec7u b\u1ecb che gi\u1ea5u bao g\u1ed3m \u0111\u1ecba ch\u1ec9 IP v\u00e0 v\u1ecb tr\u00ed c\u1ee7a b\u1ea1n.<\/p>\n<p>Th\u1eadt v\u1eady, c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i proxy. V\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh b\u1ed1n nh\u00f3m d\u1ef1a tr\u00ean nh\u1eefng \u0111i\u1ec1u sau:<\/p>\n<ul>\n<li>Giao th\u1ee9c, t\u1ee9c l\u00e0 proxy SOCKS v\u00e0 proxy HTTP v\u00e0 HTTPS<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng \u0111ang ho\u1ea1t \u0111\u1ed9ng, t\u1ee9c l\u00e0 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-shared-proxies\/\">proxy \u0111\u01b0\u1ee3c chia s\u1ebb<\/a>, <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-private-proxies\/\">proxy ri\u00eang<\/a>, V\u00e0 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-virgin-proxies\/\">proxy trinh n\u1eef<\/a><\/li>\n<li>H\u01b0\u1edbng \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng, t\u1ee9c l\u00e0 proxy chuy\u1ec3n ti\u1ebfp v\u00e0 proxy ng\u01b0\u1ee3c<\/li>\n<li>Lo\u1ea1i \u0111\u1ecba ch\u1ec9 IP \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, t\u1ee9c l\u00e0 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-residential-proxies\/\">\u1ee7y quy\u1ec1n d\u00e2n c\u01b0<\/a>, <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-data-center-proxies\/\">proxy trung t\u00e2m d\u1eef li\u1ec7u<\/a>, V\u00e0 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-mobile-proxies\/\">proxy di \u0111\u1ed9ng<\/a><\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o c\u00e1c proxy c\u00f3 th\u1ec3 nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c b\u1eb1ng giao th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean l\u1ea1c tr\u1ef1c tuy\u1ebfn. Danh m\u1ee5c n\u00e0y bao g\u1ed3m proxy SOCKS v\u00e0 proxy HTTP v\u00e0 HTTPS.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy SOCKS l\u00e0 g\u00ec?<\/h2>\n<p>Proxy SOCKS l\u00e0 m\u1ed9t trung gian s\u1eed d\u1ee5ng giao th\u1ee9c SOCKS \u0111\u1ec3 h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i m\u1ea1ng gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7 ho\u1eb7c gi\u1eefa m\u00e1y kh\u00e1ch web v\u00e0 m\u00e1y ch\u1ee7 web th\u00f4ng qua t\u01b0\u1eddng l\u1eeda. Proxy n\u00e0y ch\u1ea1y ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 daemon SOCKS. Ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ri\u00eang t\u1ea1i m\u00e1y ch\u1ee7 t\u01b0\u1eddng l\u1eeda (m\u00e1y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda), t\u1ea1o ra m\u1ed9t tuy\u1ebfn \u0111\u01b0\u1eddng an to\u00e0n xuy\u00ean qua t\u01b0\u1eddng l\u1eeda n\u00e0y.<\/p>\n<p>Do \u0111\u00f3, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 giao th\u1ee9c SOCKS kh\u00f4ng v\u01b0\u1ee3t qua t\u01b0\u1eddng l\u1eeda m\u00e0 cho ph\u00e9p truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua t\u01b0\u1eddng l\u1eeda th\u00f4ng qua m\u00e1y ch\u1ee7 proxy. Theo \u0111\u00f3, t\u01b0\u1eddng l\u1eeda ch\u1eb7n t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp tr\u00e1i ph\u00e9p c\u0169ng nh\u01b0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp kh\u00f4ng tu\u00e2n th\u1ee7 c\u00e1c tham s\u1ed1 nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00ean ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c l\u01b0u l\u01b0\u1ee3ng ch\u01b0a \u0111\u01b0\u1ee3c g\u1eedi b\u1eb1ng giao th\u1ee9c SOCKS.<\/p>\n<p>Tuy nhi\u00ean, gi\u1ea3 s\u1eed th\u00f4ng tin li\u00ean l\u1ea1c \u0111\u01b0\u1ee3c g\u1eedi qua giao th\u1ee9c n\u00e0y v\u00e0 n\u00f3i r\u1ed9ng ra l\u00e0 qua proxy SOCKS. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng s\u1ebd truy c\u1eadp Internet ho\u1eb7c c\u00f3 th\u1ec3 li\u00ean l\u1ea1c v\u1edbi c\u00e1c m\u00e1y t\u00ednh kh\u00e1c trong m\u1ea1ng b\u00ean ngo\u00e0i. N\u00f3i chung, m\u00e1y ch\u1ee7 proxy SOCKS h\u1ed7 tr\u1ee3 c\u00e1c k\u1ebft n\u1ed1i c\u1ea5p \u1ee9ng d\u1ee5ng, t\u1ee9c l\u00e0 nh\u1eefng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c g\u1eedi qua giao th\u1ee9c l\u1edbp \u1ee9ng d\u1ee5ng, v\u01b0\u1ee3t qua. (C\u00e1c giao th\u1ee9c l\u1edbp \u1ee9ng d\u1ee5ng bao g\u1ed3m HTTP, HTTPS, SMTP, TELNET, FTP, POP, MIME, v.v.)<\/p>\n<h3>M\u00e1y ch\u1ee7 proxy SOCKS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n<p>Do s\u1ef1 s\u1eafp x\u1ebfp n\u00e0y, m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 m\u00e1y ch\u1ee7, s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy SOCKS l\u00e0m \u0111i\u1ec3m t\u1ea1m th\u1eddi an to\u00e0n cho ph\u00e9p li\u00ean l\u1ea1c an to\u00e0n v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 ho\u1eb7c m\u00e1y ch\u1ee7 web kh\u00e1c. V\u00e0 do t\u01b0\u1eddng l\u1eeda m\u1ea1ng ho\u1eb7c m\u00e1y ch\u1ee7 t\u01b0\u1eddng l\u1eeda v\u1eabn b\u1ea3o v\u1ec7 k\u1ebft n\u1ed1i th\u00f4ng qua trung gian n\u00e0y, n\u00f3 s\u1ebd ng\u0103n nh\u1eefng k\u1ebb x\u00e2m nh\u1eadp kh\u00f4ng mong mu\u1ed1n truy c\u1eadp v\u00e0o th\u00f4ng tin li\u00ean l\u1ea1c gi\u1eefa c\u00e1c m\u00e1y ch\u1ee7. Do \u0111\u00f3, ch\u1ec9 c\u00e1c b\u00ean c\u00f3 t\u00e0i kho\u1ea3n tr\u00ean m\u00e1y ch\u1ee7 (t\u00e0i kho\u1ea3n proxy) m\u1edbi c\u00f3 th\u1ec3 truy c\u1eadp c\u00e1c g\u00f3i m\u1ea1ng \u0111\u01b0\u1ee3c g\u1eedi b\u1eb1ng giao th\u1ee9c SOCKS th\u00f4ng qua t\u01b0\u1eddng l\u1eeda.<\/p>\n<p>M\u00e1y ch\u1ee7 proxy SOCKS kh\u00f4ng ch\u1ec9 cho ph\u00e9p li\u00ean l\u1ea1c gi\u1eefa c\u00e1c m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n gi\u1eefa m\u00e1y kh\u00e1ch web v\u00e0 m\u00e1y ch\u1ee7 web. V\u00e0 gi\u1ed1ng nh\u01b0 tr\u01b0\u1eddng h\u1ee3p c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7 proxy kh\u00e1c, n\u00f3 l\u00e0m trung gian l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng, ch\u1eb7n truy c\u1eadp tr\u1ef1c ti\u1ebfp. Do \u0111\u00f3, khi kh\u00e1ch h\u00e0ng g\u1eedi c\u00e1c y\u00eau c\u1ea7u HTTP, HTTPS ho\u1eb7c FTP, m\u00e1y ch\u1ee7 SOCKS s\u1ebd nh\u1eadn ch\u00fang v\u00e0 sau \u0111\u00f3 thay m\u1eb7t kh\u00e1ch h\u00e0ng g\u1eedi ch\u00fang \u0111\u1ebfn m\u00e1y ch\u1ee7 web. \u0110\u1ed3ng th\u1eddi, n\u00f3 nh\u1eadn ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7 v\u00e0 chuy\u1ec3n ti\u1ebfp ch\u00fang \u0111\u1ebfn m\u00e1y kh\u00e1ch. Tuy nhi\u00ean, tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn chi ti\u1ebft h\u01a1n v\u1ec1 m\u00e1y ch\u1ee7 proxy SOCKS, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta h\u00e3y hi\u1ec3u giao th\u1ee9c SOCKS, l\u1ecbch s\u1eed c\u1ee7a n\u00f3 v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n<h2>L\u1ecbch s\u1eed c\u1ee7a giao th\u1ee9c SOCKS<\/h2>\n<p>T\u00ean m\u00e1y ch\u1ee7 proxy SOCKS c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb m\u1ed9t giao th\u1ee9c m\u1ea1ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Socket Secure, \u0111\u01b0\u1ee3c k\u00fd h\u1ee3p \u0111\u1ed3ng v\u1edbi SOCKS. D\u1ef1a tr\u00ean m\u00f4 t\u1ea3 \u1edf tr\u00ean, giao th\u1ee9c SOCKS cung c\u1ea5p khung k\u1ebft n\u1ed1i m\u1ea1ng th\u00f4ng qua t\u01b0\u1eddng l\u1eeda m\u1ea1ng. Giao th\u1ee9c n\u00e0y \u0111\u00e3 tr\u1ea3i qua nhi\u1ec1u c\u1ea3i ti\u1ebfn kh\u00e1c nhau k\u1ec3 t\u1eeb khi n\u00f3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1990. V\u00e0 ph\u1ea7n n\u00e0y s\u1ebd m\u00f4 t\u1ea3 s\u1ef1 ph\u00e1t tri\u1ec3n qua c\u00e1c n\u0103m.<\/p>\n<h3>SOCKS Phi\u00ean b\u1ea3n 1<\/h3>\n<p>Giao th\u1ee9c SOCKS ban \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t trong <a href=\"https:\/\/www.usenix.org\/legacy\/publications\/library\/proceedings\/sec92\/full_papers\/koblas.pdf\" target=\"_blank\" rel=\"noopener\">gi\u1ea5y<\/a> \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y t\u1ea1i H\u1ed9i ngh\u1ecb chuy\u00ean \u0111\u1ec1 b\u1ea3o m\u1eadt USENIX UNIX l\u1ea7n th\u1ee9 ba v\u00e0o n\u0103m 1992. Tuy nhi\u00ean, t\u1ea1i th\u1eddi \u0111i\u1ec3m tr\u00ecnh b\u00e0y b\u00e0i b\u00e1o, SOCKS \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng t\u1ea1i H\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh MIPS \u0111\u01b0\u1ee3c ba n\u0103m. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 SOCKS ban \u0111\u1ea7u \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0o kho\u1ea3ng n\u0103m 1989.<\/p>\n<p>\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi David Koblas v\u00e0 Michelle Koblas, b\u00e0i vi\u1ebft \u0111\u00e3 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng giao th\u1ee9c SOCKS \u0111\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i m\u1ea1ng thu\u1eadn ti\u1ec7n v\u00e0 an to\u00e0n th\u00f4ng qua m\u00e1y ch\u1ee7 t\u01b0\u1eddng l\u1eeda. Nh\u1eefng ng\u01b0\u1eddi t\u1ea1o ra n\u00f3 \u0111\u00e3 thi\u1ebft k\u1ebf n\u00f3 nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p cho m\u1ed9t v\u1ea5n \u0111\u1ec1 t\u1ed3n t\u1ea1i v\u00e0o th\u1eddi \u0111i\u1ec3m \u0111\u00f3: c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o m\u00f4i tr\u01b0\u1eddng an to\u00e0n th\u00f4ng qua vi\u1ec7c m\u00e1y t\u00ednh c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi Internet r\u1ea5t c\u1ed3ng k\u1ec1nh, b\u1ea5t ti\u1ec7n ho\u1eb7c c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1ecb x\u00e2m ph\u1ea1m.<\/p>\n<p>B\u00e0i b\u00e1o tr\u00ecnh b\u00e0y g\u00f3i SOCKS, bao g\u1ed3m th\u01b0 vi\u1ec7n, giao th\u1ee9c v\u00e0 daemon SOCKS (ph\u1ea7n m\u1ec1m proxy SOCKS). Th\u01b0 vi\u1ec7n bao g\u1ed3m c\u00e1c cu\u1ed9c g\u1ecdi thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i t\u1edbi daemon SOCKS \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean t\u01b0\u1eddng l\u1eeda. B\u1eb1ng c\u00e1ch n\u00e0y, th\u01b0 vi\u1ec7n \u0111\u00e3 cho ph\u00e9p truy\u1ec1n th\u00f4ng tin v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng theo c\u00e1ch m\u00e0 daemon d\u01b0\u1eddng nh\u01b0 l\u00e0 ng\u01b0\u1eddi kh\u1edfi t\u1ea1o c\u00e1c y\u00eau c\u1ea7u. Do \u0111\u00f3, \u0111\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 b\u00ean ngo\u00e0i, daemon (proxy SOCKS) d\u01b0\u1eddng nh\u01b0 l\u00e0 ng\u01b0\u1eddi kh\u1edfi t\u1ea1o c\u00e1c y\u00eau c\u1ea7u. C\u00e1c th\u00f3i quen ho\u1eb7c cu\u1ed9c g\u1ecdi th\u01b0 vi\u1ec7n SOCKS bao g\u1ed3m:<\/p>\n<ul>\n<li><b>K\u1ebft n\u1ed1i<\/b>: N\u00f3 y\u00eau c\u1ea7u proxy SOCKS (daemon) thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i g\u1eedi \u0111i t\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 IP, s\u1ed1 c\u1ed5ng v\u00e0 t\u00ean ng\u01b0\u1eddi d\u00f9ng nh\u1ea5t \u0111\u1ecbnh<\/li>\n<li><b>Tr\u00f3i bu\u1ed9c<\/b>: N\u00f3 y\u00eau c\u1ea7u m\u1ed9t k\u1ebft n\u1ed1i g\u1eedi \u0111\u1ebfn d\u1ef1 ki\u1ebfn t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP b\u00ean ngo\u00e0i nh\u1ea5t \u0111\u1ecbnh. N\u00f3 c\u0169ng ch\u1ee9a c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u00ean ng\u01b0\u1eddi d\u00f9ng, nh\u01b0ng t\u00ean ng\u01b0\u1eddi d\u00f9ng n\u00e0y thu\u1ed9c v\u1ec1 ng\u01b0\u1eddi y\u00eau c\u1ea7u (ng\u01b0\u1eddi g\u1eedi) v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ghi l\u1ea1i th\u00f4ng tin. N\u00f3i chung, l\u1ec7nh g\u1ecdi Bind li\u00ean k\u1ebft m\u1ed9t k\u1ebft n\u1ed1i \u1ed5 c\u1eafm m\u1edbi v\u1edbi m\u1ed9t c\u1ed5ng c\u00f2n tr\u1ed1ng tr\u00ean t\u01b0\u1eddng l\u1eeda.<\/li>\n<li><b>Nghe<\/b>: N\u00f3 \u0111ang ch\u1edd (nghe), s\u1eb5n s\u00e0ng nh\u1eadn cu\u1ed9c g\u1ecdi t\u1eeb m\u00e1y ch\u1ee7 b\u00ean ngo\u00e0i<\/li>\n<li><b>Nh\u1eadn t\u00ean SOCK<\/b>: N\u00f3 l\u1ea5y \u0111\u1ecba ch\u1ec9 IP v\u00e0 s\u1ed1 c\u1ed5ng c\u1ee7a \u1ed5 c\u1eafm tr\u00ean t\u01b0\u1eddng l\u1eeda<\/li>\n<li><b>Ch\u1ea5p nh\u1eadn<\/b>: N\u00f3 ch\u1ea5p nh\u1eadn k\u1ebft n\u1ed1i t\u1eeb m\u00e1y ch\u1ee7 b\u00ean ngo\u00e0i<\/li>\n<\/ul>\n<h3>SOCKS Phi\u00ean b\u1ea3n 4 (SOCKS4)<\/h3>\n<p>Ying-Da Lee \u0111\u00e3 m\u1edf r\u1ed9ng giao th\u1ee9c SOCKS, t\u1ea1o ra <a href=\"https:\/\/www.openssh.com\/txt\/socks4.protocol\" target=\"_blank\" rel=\"noopener\">SOCKS phi\u00ean b\u1ea3n 4<\/a> (SOCKS4) tr\u01b0\u1edbc khi gi\u1edbi thi\u1ec7u sau <a href=\"https:\/\/www.openssh.com\/txt\/socks4a.protocol\" target=\"_blank\" rel=\"noopener\">SOCKS phi\u00ean b\u1ea3n 4a<\/a> (SOCKS4a). Theo \u0111\u00f3, SOCKS4a \u0111\u00e3 m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a giao th\u1ee9c b\u1eb1ng c\u00e1ch h\u1ed7 tr\u1ee3 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u00edch (m\u00e1y ch\u1ee7) \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 IP c\u1ee7a n\u00f3.<\/p>\n<h3>SOCKS Phi\u00ean b\u1ea3n 5 (SOCKS 5)<\/h3>\n<p>N\u0103m 1996, m\u1ed9t nh\u00f3m c\u1ed9ng t\u00e1c vi\u00ean \u0111\u00e3 vi\u1ebft m\u1ed9t <a href=\"https:\/\/datatracker.ietf.org\/doc\/html\/rfc1928\" target=\"_blank\" rel=\"noopener\">ba\u0309n ghi nh\u1edb<\/a> m\u00f4 t\u1ea3 SOCKS phi\u00ean b\u1ea3n 5. B\u00e0i vi\u1ebft \u0111\u00e3 m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a giao th\u1ee9c SOCKS b\u1eb1ng c\u00e1ch m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a khung c\u01a1 b\u1ea3n \u0111\u1ec3 cho ph\u00e9p n\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c l\u1edbp \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p h\u01a1n. Ngo\u00e0i ra, SOCKS5 c\u00f2n gi\u1edbi thi\u1ec7u h\u1ed7 tr\u1ee3 cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e1y kh\u00e1ch-m\u00e1y ch\u1ee7 trong c\u1ea3 Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n d\u1eabn (TCP) v\u00e0 Giao th\u1ee9c g\u00f3i d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng (UDP). H\u01a1n n\u1eefa, n\u00f3 c\u00f2n m\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng \u0111\u1ecba ch\u1ec9 \u0111\u1ec3 bao g\u1ed3m <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-ipv4-and-ipv6-proxies\/\">\u0110\u1ecba ch\u1ec9 IPv6<\/a> v\u00e0 \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 t\u00ean mi\u1ec1n.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, SOCKS5 \u0111\u00e3 gi\u1edbi thi\u1ec7u t\u00ednh n\u0103ng x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd. Phi\u00ean b\u1ea3n m\u1edbi ch\u1ec9 \u0111\u1ecbnh m\u1ed9t khu\u00f4n kh\u1ed5 t\u1ed5ng qu\u00e1t \u0111\u1ec3 s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c x\u00e1c th\u1ef1c t\u00f9y \u00fd. V\u00ed d\u1ee5: khi b\u1eaft \u0111\u1ea7u k\u1ebft n\u1ed1i SOCKS, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c x\u00e1c th\u1ef1c sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc1929\" target=\"_blank\" rel=\"noopener\">Th\u01b0\u01a1ng l\u01b0\u1ee3ng ph\u1ee5 v\u1ec1 t\u00ean ng\u01b0\u1eddi d\u00f9ng\/m\u1eadt kh\u1ea9u<\/a> d\u1ecbch v\u1ee5 x\u00e1c th\u1ef1c (Tuy nhi\u00ean, th\u01b0\u01a1ng l\u01b0\u1ee3ng ph\u1ee5 t\u00ean ng\u01b0\u1eddi d\u00f9ng\/m\u1eadt kh\u1ea9u kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt v\u00e0 do \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch trong tr\u01b0\u1eddng h\u1ee3p tin t\u1eb7c ho\u1eb7c b\u00ean th\u1ee9 ba c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n &#039;\u0111\u00e1nh h\u01a1i.)<\/li>\n<li><a href=\"https:\/\/ss5.sourceforge.net\/draft-supa.txt\" target=\"_blank\" rel=\"noopener\">X\u00e1c th\u1ef1c t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u an to\u00e0n<\/a> s\u1eed d\u1ee5ng c\u00e1c kh\u00f3a m\u00e1y ch\u1ee7 \u0111\u00e3 bi\u1ebft v\u00e0 chuy\u1ec3n ti\u1ebfp c\u00e1c kh\u00f3a th\u00f4ng qua giao ti\u1ebfp \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a<\/li>\n<li><a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc1961.html\" target=\"_blank\" rel=\"noopener\">X\u00e1c th\u1ef1c GSS-API<\/a> ph\u01b0\u01a1ng ph\u00e1p<\/li>\n<\/ul>\n<p>\u0110\u00e1ng ch\u00fa \u00fd l\u00e0 c\u00e1c b\u1ea3n s\u1eeda \u0111\u1ed5i \u0111\u00e3 t\u1ea1o ra m\u1ed9t s\u1ed1 lo\u1ea1i proxy SOCKS, c\u1ee5 th\u1ec3 l\u00e0:<\/p>\n<ul>\n<li>Proxy SOCKS4<\/li>\n<li>Proxy SOCKS5<\/li>\n<\/ul>\n<h2>SOCKS4 so v\u1edbi SOCKS5: \u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t<\/h2>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1848 size-full\" title=\"\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t gi\u1eefa SOCKS4 v\u00e0 SOCKS5\" src=\"https:\/\/proxycompass.com\/wp-content\/uploads\/2024\/03\/scheme_3_2_2_1.png\" alt=\"\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t gi\u1eefa SOCKS4 v\u00e0 SOCKS5\" width=\"840\" height=\"193\" \/><\/p>\n<h3>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng gi\u1eefa SOCKS4 v\u00e0 SOCKS5<\/h3>\n<p>C\u00e1c giao th\u1ee9c SOCKS4 v\u00e0 SOCKS5 v\u00e0 n\u00f3i r\u1ed9ng ra, c\u00e1c proxy t\u01b0\u01a1ng t\u1ef1 nhau theo nh\u1eefng c\u00e1ch sau:<\/p>\n<ul>\n<li>D\u1ecbch v\u1ee5 SOCKS trong SOCKS4 v\u00e0 SOCKS5 n\u1eb1m tr\u00ean c\u1ed5ng 1080<\/li>\n<li>H\u1ecd s\u1eed d\u1ee5ng c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1, t\u1ee9c l\u00e0, <b>k\u1ebft n\u1ed1i<\/b>, <b>tr\u00f3i bu\u1ed9c<\/b>, <b>Nghe<\/b>, <b>ch\u1ea5p nh\u1eadn<\/b>, V\u00e0 <b>l\u1ea5y t\u00ean SOCK<\/b>.<\/li>\n<\/ul>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SOCKS4 v\u00e0 SOCKS5<\/h3>\n<p>C\u00e1c giao th\u1ee9c v\u00e0 proxy SOCKS4 v\u00e0 SOCKS5 kh\u00e1c nhau theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong b\u1ea3ng b\u00ean d\u01b0\u1edbi:<\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><b>\u00a0<\/b><\/td>\n<td style=\"text-align: left;\"><b>SOCKS4<\/b><\/td>\n<td style=\"text-align: left;\"><b>SOCKS5<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>T\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/b><\/td>\n<td style=\"text-align: left;\">N\u00f3 ch\u1ec9 h\u1ed7 tr\u1ee3 TCP<\/td>\n<td style=\"text-align: left;\">N\u00f3 h\u1ed7 tr\u1ee3 c\u1ea3 TCP v\u00e0 UDP<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>B\u1ea3o v\u1ec7<\/b><\/td>\n<td style=\"text-align: left;\">N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i t\u01b0\u1eddng l\u1eeda kh\u00f4ng b\u1ea3o m\u1eadt v\u00ec n\u00f3 kh\u00f4ng x\u00e1c th\u1ef1c c\u00e1c g\u00f3i m\u1ea1ng<\/td>\n<td style=\"text-align: left;\">N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd, ch\u1eb3ng h\u1ea1n nh\u01b0 y\u00eau c\u1ea7u t\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1eadt kh\u1ea9u, t\u1eeb \u0111\u00f3 th\u00fac \u0111\u1ea9y vi\u1ec7c truy\u1ec1n t\u1ea3i t\u01b0\u1eddng l\u1eeda \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Giao th\u1ee9c \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/b><\/td>\n<td style=\"text-align: left;\">N\u00f3 h\u1ed7 tr\u1ee3 FTP, SMTP, TELNET, HTTP v\u00e0 GOPHER (t\u1ee9c l\u00e0 c\u00e1c giao th\u1ee9c l\u1edbp \u1ee9ng d\u1ee5ng)<\/td>\n<td style=\"text-align: left;\">N\u00f3 h\u1ed7 tr\u1ee3 FTP, SMTP, TELNET, HTTP v\u00e0 GOPHER, c\u0169ng nh\u01b0 NTP, DHCP, BOOTP, NNP, TFTP, RTSP, RIP v\u00e0 DNS (t\u1ee9c l\u00e0 c\u00e1c giao th\u1ee9c l\u1edbp \u1ee9ng d\u1ee5ng v\u00e0 v\u1eadn chuy\u1ec3n)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>\u0110\u1ecba ch\u1ec9 IP<\/b><\/td>\n<td style=\"text-align: left;\">N\u00f3 ch\u1ec9 h\u1ed7 tr\u1ee3 \u0111\u1ecba ch\u1ec9 IPv4<\/td>\n<td style=\"text-align: left;\">N\u00f3 h\u1ed7 tr\u1ee3 \u0111\u1ecba ch\u1ec9 IPv4 v\u00e0 IPv6<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>T\u00ean mi\u1ec1n<\/b><\/td>\n<td style=\"text-align: left;\">N\u00f3 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n gi\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n v\u00e0 do \u0111\u00f3 kh\u00f4ng th\u1ec3 t\u00ecm th\u1ea5y \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ch\u00fang<\/td>\n<td style=\"text-align: left;\">N\u00f3 c\u00f3 th\u1ec3 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ch\u00fang<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>\u0110\u1ecba ch\u1ec9<\/b><\/td>\n<td style=\"text-align: left;\">N\u00f3 kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 t\u00ean mi\u1ec1n<\/td>\n<td style=\"text-align: left;\">N\u00f3 h\u1ed7 tr\u1ee3 \u0111\u00e1nh \u0111\u1ecba ch\u1ec9 t\u00ean mi\u1ec1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>K\u1ebft n\u1ed1i proxy SOCKS an to\u00e0n \u0111\u1ebfn m\u1ee9c n\u00e0o?<\/b><\/h2>\n<p>K\u1ebft n\u1ed1i SOCKS, kh\u00f4ng gi\u1ed1ng nh\u01b0 k\u1ebft n\u1ed1i HTTPS, kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a. Nh\u01b0ng k\u1ebft n\u1ed1i HTTPS \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp qua b\u1ea5t k\u1ef3 k\u1ebft n\u1ed1i SOCKS n\u00e0o (trong k\u1ebft n\u1ed1i), k\u1ebft n\u1ed1i n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c t\u1eeb b\u00ean ngo\u00e0i:<\/p>\n<figure id=\"attachment_469565\" aria-describedby=\"caption-attachment-469565\" style=\"width: 1200px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/proxycompass.com\/wp-content\/uploads\/2020\/11\/scheme_3_2_2_2_eng.png\"><img decoding=\"async\" class=\"size-full wp-image-469565\" src=\"https:\/\/proxycompass.com\/wp-content\/uploads\/2020\/11\/scheme_3_2_2_2_eng.png\" alt=\"HTTP, UDP v\u00e0 c\u00e1c k\u1ebft n\u1ed1i kh\u00e1c trong k\u1ebft n\u1ed1i SOCKS\" width=\"1200\" height=\"800\" srcset=\"https:\/\/proxycompass.com\/wp-content\/uploads\/2020\/11\/scheme_3_2_2_2_eng.png 1200w, https:\/\/proxycompass.com\/wp-content\/uploads\/2020\/11\/scheme_3_2_2_2_eng-768x512.png 768w, https:\/\/proxycompass.com\/wp-content\/uploads\/2020\/11\/scheme_3_2_2_2_eng-18x12.png 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><figcaption id=\"caption-attachment-469565\" class=\"wp-caption-text\">HTTP, UDP v\u00e0 c\u00e1c k\u1ebft n\u1ed1i kh\u00e1c trong k\u1ebft n\u1ed1i SOCKS<\/figcaption><\/figure>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 tr\u00f4ng ph\u1ee9c t\u1ea1p, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, n\u00f3 r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 k\u1ebft n\u1ed1i nh\u01b0 v\u1eady s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c t\u1ea1o khi ng\u01b0\u1eddi d\u00f9ng thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i SOCKS l\u1ea7n \u0111\u1ea7u ti\u00ean (v\u00ed d\u1ee5 v\u1edbi <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/proxifier-proxy-setup-a-quick-guide\/\">Tr\u00ecnh \u1ee7y quy\u1ec1n<\/a> ho\u1eb7c l\u00e0 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/foxyproxy-standard-extension-for-google-chrome\/\">ti\u1ec7n \u00edch b\u1ed5 sung cho tr\u00ecnh duy\u1ec7t Foxyproxy<\/a>) r\u1ed3i truy c\u1eadp trang web s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 SSL (\u201ckh\u00f3a\u201d \u1edf b\u00ean tr\u00e1i thanh \u0111\u1ecba ch\u1ec9).<\/p>\n<p><b>Tr\u00ecnh duy\u1ec7t <\/b>&lt;- &gt; <b>SOCKS (HTTPS ) SOCKS<\/b> &lt;-&gt; <b>trang web m\u1ee5c ti\u00eau<\/b><\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 k\u1ebft n\u1ed1i n\u00e0y ho\u00e0n to\u00e0n an to\u00e0n v\u00e0 kh\u00f4ng ai, k\u1ec3 c\u1ea3 nh\u00e0 cung c\u1ea5p proxy, c\u00f3 th\u1ec3 bi\u1ebft ch\u00ednh x\u00e1c ng\u01b0\u1eddi d\u00f9ng \u0111ang l\u00e0m g\u00ec tr\u00ean trang web, h\u1ecd \u0111ang in g\u00ec, h\u00ecnh \u1ea3nh ho\u1eb7c video n\u00e0o h\u1ecd \u0111ang xem ho\u1eb7c t\u1ea3i l\u00ean.<\/p>\n<h2>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00e1y ch\u1ee7 proxy SOCKS<\/h2>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a proxy SOCKS<\/h3>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a proxy SOCKS l\u00e0:<\/p>\n<ul>\n<li><b>\u00cdt l\u1ed7i h\u01a1n<\/b>: Proxy SOCKS, kh\u00f4ng gi\u1ed1ng nh\u01b0 proxy HTTP, kh\u00f4ng di\u1ec5n gi\u1ea3i ho\u1eb7c ghi l\u1ea1i c\u00e1c g\u00f3i d\u1eef li\u1ec7u nh\u01b0 ti\u00eau \u0111\u1ec1. V\u00ec v\u1eady, ch\u00fang kh\u00f4ng d\u1ec5 b\u1ecb d\u00e1n nh\u00e3n sai ho\u1eb7c c\u00e1c l\u1ed7i kh\u00e1c.<\/li>\n<li><b>H\u1ed7 tr\u1ee3 nhi\u1ec1u giao th\u1ee9c<\/b> trong l\u1edbp \u1ee9ng d\u1ee5ng v\u00e0 truy\u1ec1n t\u1ea3i: proxy SOCKS4 h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c FTP, SMTP, TELNET, HTTP v\u00e0 GOPHER. Ng\u01b0\u1ee3c l\u1ea1i, proxy SOCKS5 h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c FTP, SMTP, TELNET, HTTP v\u00e0 GOPHER, c\u0169ng nh\u01b0 NTP, DHCP, BOOTP, NNP, TFTP, RTSP, RIP v\u00e0 DNS. Ng\u01b0\u1ee3c l\u1ea1i, proxy HTTP ch\u1ec9 h\u1ed7 tr\u1ee3 giao th\u1ee9c HTTP v\u00e0 HTTPS.<\/li>\n<li><b>An ninh t\u1ed1t h\u01a1n<\/b>: \u0110\u1eb7c bi\u1ec7t, proxy SOCKS5 th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c \u1edf c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y an ninh. Tuy nhi\u00ean, nh\u00ecn chung, do t\u1ea5t c\u1ea3 c\u00e1c proxy SOCKS kh\u00f4ng di\u1ec5n gi\u1ea3i ho\u1eb7c ghi l\u1ea1i d\u1eef li\u1ec7u n\u00ean ch\u00fang kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c g\u00f3i d\u1eef li\u1ec7u ch\u1ee9a th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n.<\/li>\n<li><b>Quy\u1ec1n ri\u00eang t\u01b0 n\u00e2ng cao<\/b>: Proxy SOCKS5 c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 IP c\u1ee7a b\u1ea1n, do \u0111\u00f3 che gi\u1ea5u th\u00f4ng tin nh\u01b0 v\u1ecb tr\u00ed th\u1ef1c c\u1ee7a b\u1ea1n, \u0111\u1eb7c bi\u1ec7t khi xem x\u00e9t r\u1eb1ng \u0111\u1ecba ch\u1ec9 IP l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u00f3.<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Proxy SOCKS<\/h3>\n<p>Nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a proxy SOCKS bao g\u1ed3m:<\/p>\n<ul>\n<li><b>\u0110\u1ed9 tr\u1ec5 k\u1ebft n\u1ed1i\/t\u1ed1c \u0111\u1ed9 ch\u1eadm<\/b>: \u0110\u1eb7c bi\u1ec7t, proxy SOCKS5 ph\u1ea3i th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 x\u00e1c th\u1ef1c \u1edf c\u00e1c giai \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau, d\u1eabn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n.<\/li>\n<li><b>K\u1ebft n\u1ed1i ng\u01b0\u1ee3c h\u1ea1n ch\u1ebf<\/b>: L\u1ec7nh li\u00ean k\u1ebft c\u1ee7a SOCKS5 kh\u00f4ng bao g\u1ed3m \u0111\u1ea7y \u0111\u1ee7 c\u00e1c giao th\u1ee9c y\u00eau c\u1ea7u m\u00e1y ch\u1ee7 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y kh\u00e1ch (k\u1ebft n\u1ed1i ng\u01b0\u1ee3c) nhi\u1ec1u l\u1ea7n; thay v\u00e0o \u0111\u00f3, n\u00f3 ch\u1ee7 y\u1ebfu ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c giao th\u1ee9c nh\u01b0 FTP ch\u1ec9 y\u00eau c\u1ea7u m\u1ed9t k\u1ebft n\u1ed1i ng\u01b0\u1ee3c duy nh\u1ea5t.<\/li>\n<li><b>Kh\u1ea3 n\u0103ng h\u1ea1n ch\u1ebf c\u1ee7a UDP \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/b>: H\u1ed7 tr\u1ee3 UDP ban \u0111\u1ea7u c\u1ee7a SOCKS5 c\u00f3 kh\u1ea3 n\u0103ng h\u1ea1n ch\u1ebf. V\u00ed d\u1ee5: giao th\u1ee9c h\u00ecnh dung r\u1eb1ng c\u00e1c \u1ee9ng d\u1ee5ng UDP s\u1ebd g\u1eedi d\u1eef li\u1ec7u v\u00e0 nh\u1eadn ph\u1ea3n h\u1ed3i. Tuy nhi\u00ean, nhi\u1ec1u \u1ee9ng d\u1ee5ng UDP c\u00f3 th\u1ec3 nh\u1eadn d\u1eef li\u1ec7u UDP m\u00e0 kh\u00f4ng y\u00eau c\u1ea7u th\u00f4ng tin \u0111\u1ecba ch\u1ec9 IP, g\u1eedi d\u1eef li\u1ec7u ho\u1eb7c s\u1eed d\u1ee5ng m\u1ed9t c\u1ed5ng nh\u1ea5t \u0111\u1ecbnh. Do \u0111\u00f3, proxy SOCKS5 c\u00f3 kh\u1ea3 n\u0103ng UDP h\u1ea1n ch\u1ebf.<\/li>\n<li><b>Kh\u00f4ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<\/b>: Proxy SOCKS5 kh\u00f4ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc c\u1ee7a giao th\u1ee9c SOCKS, ch\u1eb3ng h\u1ea1n nh\u01b0 SOCKS4a<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng proxy SOCKS<\/h2>\n<p>Proxy SOCKS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo nh\u1eefng c\u00e1ch sau:<\/p>\n<ul>\n<li>Ch\u00fang cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng b\u1ecf qua vi\u1ec7c ch\u1eb7n \u0111\u1ecba l\u00fd. B\u1eb1ng c\u00e1ch n\u00e0y, proxy SOCKS, \u0111\u1eb7c bi\u1ec7t l\u00e0 proxy SOCKS5, cho ph\u00e9p h\u1ecd truy c\u1eadp n\u1ed9i dung t\u1eeb c\u00e1c v\u1ecb tr\u00ed kh\u00e1c. (<a href=\"https:\/\/theconversation.com\/explainer-what-is-geoblocking-13057\" target=\"_blank\" rel=\"noopener\">Ch\u1eb7n \u0111\u1ecba l\u00fd ho\u1eb7c h\u1ea1n ch\u1ebf \u0111\u1ecba l\u00fd<\/a> l\u00e0 ho\u1ea1t \u0111\u1ed9ng theo \u0111\u00f3 c\u00e1c trang web ch\u1ec9 hi\u1ec3n th\u1ecb n\u1ed9i dung cho kh\u00e1ch truy c\u1eadp t\u1eeb m\u1ed9t v\u1ecb tr\u00ed c\u1ee5 th\u1ec3.)<\/li>\n<li>M\u00e1y ch\u1ee7 proxy SOCKS gi\u00fap v\u01b0\u1ee3t qua vi\u1ec7c l\u1ecdc internet c\u1ee7a tr\u01b0\u1eddng h\u1ecdc, n\u01a1i l\u00e0m vi\u1ec7c v\u00e0 ch\u00ednh ph\u1ee7, ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t s\u1ed1<\/li>\n<li>Vi\u1ec7c s\u1eed d\u1ee5ng \u1ea9n danh c\u00e1c tr\u00ecnh nh\u1eafn tin, ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/setting-up-a-proxy-in-telegram-on-windows-macos-android-and-ios\/\">\u0111i\u1ec7n t\u00edn<\/a><\/li>\n<li>Truy\u1ec1n ph\u00e1t video v\u00e0 cu\u1ed9c g\u1ecdi tr\u1ef1c ti\u1ebfp<\/li>\n<li><a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/how-to-anonymize-the-usage-of-torrent-clients\/\">t\u1ea3i torrent<\/a> ho\u1eb7c chia s\u1ebb v\u00e0 t\u1ea3i xu\u1ed1ng ngang h\u00e0ng<\/li>\n<li>G\u1eedi email s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 an to\u00e0n nh\u1edd h\u1ed7 tr\u1ee3 SMTP<\/li>\n<li>Duy\u1ec7t web chung v\u00ec SOCKS5 h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 giao th\u1ee9c c\u1ea5p \u1ee9ng d\u1ee5ng<\/li>\n<li>Ch\u1eb7n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o m\u1ea1ng doanh nghi\u1ec7p: Proxy SOCKS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung gian t\u1ea1m th\u1eddi cho ph\u00e9p truy c\u1eadp internet an to\u00e0n th\u00f4ng qua t\u01b0\u1eddng l\u1eeda doanh nghi\u1ec7p \u0111\u1ed3ng th\u1eddi ng\u0103n ch\u1eb7n nh\u1eefng k\u1ebb x\u00e2m nh\u1eadp kh\u00f4ng mong mu\u1ed1n truy c\u1eadp v\u00e0o m\u00e1y ch\u1ee7 ho\u1eb7c m\u00e1y t\u00ednh trong m\u1ea1ng c\u1ee5c b\u1ed9.<\/li>\n<\/ul>\n<h2>Proxy SOCKS so v\u1edbi Proxy HTTP<\/h2>\n<p>Nh\u01b0 \u0111\u00e3 n\u00eau chi ti\u1ebft tr\u01b0\u1edbc \u0111\u00f3, proxy SOCKS v\u00e0 proxy HTTP l\u00e0 m\u00e1y ch\u1ee7 proxy d\u1ef1a tr\u00ean giao th\u1ee9c. \u0110\u1ec3 bi\u1ebft th\u1ea3o lu\u1eadn chi ti\u1ebft v\u1ec1 nh\u1eefng g\u00ec proxy HTTP v\u00e0 HTTPS c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c, h\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 <a href=\"https:\/\/proxycompass.com\/vi\/knowledge-base\/what-are-http-and-https-proxies\/\">Proxy HTTP v\u00e0 HTTPS<\/a>.<\/p>\n<h3>So s\u00e1nh proxy SOCKS v\u00e0 proxy HTTP<\/h3>\n<p>Ph\u1ea7n n\u00e0y tr\u00ecnh b\u00e0y chi ti\u1ebft nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t gi\u1eefa proxy SOCKS v\u00e0 HTTP.<\/p>\n<h4>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng gi\u1eefa Proxy SOCKS v\u00e0 Proxy HTTP<\/h4>\n<p>Proxy SOCKS v\u00e0 HTTP gi\u1ed1ng nhau \u1edf nh\u1eefng \u0111i\u1ec3m sau:<\/p>\n<ul>\n<li>C\u1ea3 hai \u0111\u1ec1u d\u1ef1a tr\u00ean c\u00e1c giao th\u1ee9c internet<\/li>\n<\/ul>\n<h4>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Proxy SOCKS v\u00e0 Proxy HTTP<\/h4>\n<p>Proxy SOCKS v\u00e0 HTTP kh\u00e1c nhau \u1edf nh\u1eefng \u0111i\u1ec3m sau:<\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><b>\u00a0<\/b><\/td>\n<td style=\"text-align: left;\"><b>Proxy SOCKS<\/b><\/td>\n<td style=\"text-align: left;\"><b>Proxy HTTP<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Giao th\u1ee9c<\/b><\/td>\n<td style=\"text-align: left;\">Ch\u00fang h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn giao th\u1ee9c TCP c\u0169ng nh\u01b0 giao th\u1ee9c UDP<\/td>\n<td style=\"text-align: left;\">H\u1ecd ch\u1ec9 h\u1ed7 tr\u1ee3 giao th\u1ee9c HTTP v\u00e0 HTTPS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>B\u1ea3o v\u1ec7<\/b><\/td>\n<td style=\"text-align: left;\">H\u1ecd kh\u00f4ng m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/td>\n<td style=\"text-align: left;\">Proxy HTTPS m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Truy c\u1eadp t\u01b0\u1eddng l\u1eeda<\/b><\/td>\n<td style=\"text-align: left;\">Proxy SOCKS cung c\u1ea5p truy c\u1eadp internet th\u00f4ng qua t\u01b0\u1eddng l\u1eeda m\u1ea1ng<\/td>\n<td style=\"text-align: left;\">H\u1ecd kh\u00f4ng cung c\u1ea5p k\u1ebft n\u1ed1i th\u00f4ng qua t\u01b0\u1eddng l\u1eeda<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Gi\u1ea3i th\u00edch d\u1eef li\u1ec7u<\/b><\/td>\n<td style=\"text-align: left;\">H\u1ecd kh\u00f4ng gi\u1ea3i th\u00edch, ph\u00e2n t\u00edch ho\u1eb7c vi\u1ebft l\u1ea1i d\u1eef li\u1ec7u<\/td>\n<td style=\"text-align: left;\">Ch\u00fang di\u1ec5n gi\u1ea3i d\u1eef li\u1ec7u v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p vi\u1ebft l\u1ea1i c\u00e1c g\u00f3i ti\u00eau \u0111\u1ec1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/b><\/td>\n<td style=\"text-align: left;\">Proxy SOCKS c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng giao th\u1ee9c HTTP v\u00e0 HTTPS<\/td>\n<td style=\"text-align: left;\">Proxy HTTP v\u00e0 HTTPS kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng giao th\u1ee9c SOCKS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Ph\u00e2n lo\u1ea1i OSI<\/b><\/td>\n<td style=\"text-align: left;\">Proxy SOCKS \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf c\u1ea5p \u0111\u1ed9 th\u1ea5p h\u01a1n (l\u1edbp 5) c\u1ee7a <a href=\"https:\/\/en.wikipedia.org\/wiki\/OSI_model\" target=\"_blank\" rel=\"noopener\">Ph\u00e2n lo\u1ea1i OSI<\/a>, t\u1ee9c l\u00e0 l\u1edbp phi\u00ean<\/td>\n<td style=\"text-align: left;\">Proxy HTTP \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf c\u1ea5p \u0111\u1ed9 cao h\u01a1n (l\u1edbp 4) c\u1ee7a ph\u00e2n lo\u1ea1i OSI, t\u1ee9c l\u00e0 l\u1edbp v\u1eadn chuy\u1ec3n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Configuration<\/b><\/td>\n<td style=\"text-align: left;\">Proxy SOCKS ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o m\u00e1y kh\u00e1ch web ho\u1eb7c m\u00e1y kh\u00f4ng ph\u1ea3i l\u00e0 m\u00e1y ch\u1ee7 web<\/td>\n<td style=\"text-align: left;\">Proxy HTTP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh th\u00e0nh m\u00e1y kh\u00e1ch ho\u1eb7c m\u00e1y ch\u1ee7 web<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>H\u1ea3i c\u1ea3ng<\/b><\/td>\n<td style=\"text-align: left;\">D\u1ecbch v\u1ee5 SOCKS kh\u1ea3 d\u1ee5ng th\u00f4ng qua c\u1ed5ng proxy SOCKS 1080 v\u00e0 1085<\/td>\n<td style=\"text-align: left;\">Proxy HTTP s\u1eed d\u1ee5ng c\u00e1c c\u1ed5ng 80, 8080, 8085, 3128 v\u00e0 3129, trong khi proxy HTTPS s\u1eed d\u1ee5ng c\u1ed5ng 443<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Proxy SOCKS so v\u1edbi VPN<\/h2>\n<p>\u0110\u00fang l\u00e0 proxy SOCKS c\u00f3 th\u1ec3 t\u1ea1o \u0111\u01b0\u1eddng h\u1ea7m an to\u00e0n th\u00f4ng qua t\u01b0\u1eddng l\u1eeda. Nh\u01b0ng b\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m an to\u00e0n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <a href=\"https:\/\/www.techtarget.com\/searchnetworking\/definition\/virtual-private-network\" target=\"_blank\" rel=\"noopener\">m\u1ea1ng ri\u00eang \u1ea3o ho\u1eb7c VPN<\/a>? VPN t\u1ea1o tuy\u1ebfn li\u00ean l\u1ea1c an to\u00e0n gi\u1eefa hai m\u1ea1ng: m\u1ea1ng c\u1ee5c b\u1ed9 v\u00e0 m\u1ea1ng b\u00ean ngo\u00e0i. N\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn t\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp Internet qua m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m, nh\u01b0ng kh\u00f4ng ph\u1ea3i tr\u01b0\u1edbc khi m\u00e3 h\u00f3a d\u1eef li\u1ec7u t\u1ea1i \u0111i\u1ec3m truy c\u1eadp (v\u00ed d\u1ee5: m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n). \u0110\u01b0\u1eddng h\u1ea7m k\u1ebft th\u00fac t\u1ea1i n\u00fat tho\u00e1t (m\u00e1y ch\u1ee7 tho\u00e1t c\u1ee7a VPN) g\u00e1n cho c\u00e1c y\u00eau c\u1ea7u g\u1eedi \u0111i t\u1eeb m\u1ea1ng c\u1ee5c b\u1ed9 ho\u1eb7c m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 IP m\u1edbi, che gi\u1ea5u \u0111\u1ecba ch\u1ec9 IP th\u1ef1c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>Khi s\u1eed d\u1ee5ng VPN, t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u d\u01b0\u1eddng nh\u01b0 \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb ghi ch\u00fa tho\u00e1t. \u0110\u1ed3ng th\u1eddi, t\u1ea5t c\u1ea3 ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7 web d\u01b0\u1eddng nh\u01b0 \u0111\u1ec1u ch\u1ea5m d\u1ee9t \u1edf m\u00e1y ch\u1ee7 VPN n\u00e0y. Nh\u1edd s\u1ef1 s\u1eafp x\u1ebfp n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng VPN \u0111\u1ec3 truy c\u1eadp n\u1ed9i dung b\u1ecb ch\u1eb7n \u0111\u1ecba l\u00fd \u1edf b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o m\u00e0 nh\u00e0 cung c\u1ea5p VPN c\u00f3 m\u00e1y ch\u1ee7.<\/p>\n<p>V\u00ed d\u1ee5: n\u1ebfu b\u1ea1n s\u1ed1ng \u1edf \u0110\u1ee9c v\u00e0 mu\u1ed1n truy c\u1eadp n\u1ed9i dung web m\u00e0 ch\u1ec9 c\u01b0 d\u00e2n \u1edf Hoa K\u1ef3 m\u1edbi c\u00f3 th\u1ec3 xem \u0111\u01b0\u1ee3c, b\u1ea1n ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 VPN c\u00f3 tr\u1ee5 s\u1edf t\u1ea1i Hoa K\u1ef3.<\/p>\n<p>\u0110\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y, tr\u01b0\u1edbc ti\u00ean b\u1ea1n ph\u1ea3i c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m VPN tr\u00ean m\u00e1y t\u00ednh, ph\u1ea7n m\u1ec1m n\u00e0y s\u1ebd chuy\u1ec3n m\u00e1y c\u1ee7a b\u1ea1n th\u00e0nh n\u00fat truy c\u1eadp. Ph\u1ea7n m\u1ec1m c\u00f3 nhi\u1ec7m v\u1ee5 m\u00e3 h\u00f3a d\u1eef li\u1ec7u. Ti\u1ebfp theo, b\u1ea1n s\u1ebd ph\u1ea3i ch\u1ecdn n\u00fat tho\u00e1t v\u00e0 khi VPN k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 tho\u00e1t n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 tho\u1ea3i m\u00e1i g\u1eedi y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a VPN<\/h3>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a m\u1ea1ng ri\u00eang \u1ea3o bao g\u1ed3m:<\/p>\n<ul>\n<li><b>M\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt<\/b>: VPN m\u00e3 h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7, do \u0111\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt ch\u01b0a t\u1eebng c\u00f3. Ch\u00ednh v\u00ec l\u00fd do n\u00e0y m\u00e0 b\u1ea1n n\u00ean s\u1eed d\u1ee5ng VPN b\u1ea5t c\u1ee9 khi n\u00e0o truy c\u1eadp internet th\u00f4ng qua Wi-Fi c\u00f4ng c\u1ed9ng<\/li>\n<li><b>Cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o n\u1ed9i dung b\u1ecb ch\u1eb7n \u0111\u1ecba l\u00fd<\/b>: VPN h\u1ea7u nh\u01b0 \u0111\u01b0a b\u1ea1n \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u00f3 b\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp th\u00f4ng qua n\u00fat tho\u00e1t \u1edf m\u1ed9t qu\u1ed1c gia kh\u00e1c. Do \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp n\u1ed9i dung web m\u00e0 l\u1ebd ra b\u1ea1n kh\u00f4ng th\u1ec3 truy c\u1eadp \u1edf qu\u1ed1c gia c\u1ee7a m\u00ecnh n\u1ebfu kh\u00f4ng c\u00f3 VPN.<\/li>\n<li><b>Quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn<\/b>: VPN \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1ef1c c\u1ee7a b\u1ea1n v\u00e0 sau \u0111\u00f3 g\u00e1n m\u1ed9t \u0111\u1ecba ch\u1ec9 kh\u00e1c. B\u1eb1ng c\u00e1ch n\u00e0y, h\u1ecd b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch che gi\u1ea5u m\u1ed9t s\u1ed1 d\u1eef li\u1ec7u nh\u1ea5t \u0111\u1ecbnh v\u1ec1 b\u1ea1n, ch\u1eb3ng h\u1ea1n nh\u01b0 v\u1ecb tr\u00ed c\u1ee7a b\u1ea1n (ti\u1ec3u bang, th\u00e0nh ph\u1ed1, qu\u1ed1c gia v\u00e0 t\u1ecda \u0111\u1ed9 g\u1ea7n \u0111\u00fang).<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a VPN<\/h3>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u1ea1ng ri\u00eang \u1ea3o bao g\u1ed3m:<\/p>\n<ul>\n<li><b>T\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i ch\u1eadm<\/b>: V\u00ec gi\u1ea3i ph\u00e1p n\u00e0y ph\u1ea3i m\u00e3 h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u g\u1eedi \u0111i v\u00e0 ph\u1ea3n h\u1ed3i \u0111\u1ebfn n\u00ean t\u1ed1c \u0111\u1ed9 th\u01b0\u1eddng ch\u1eadm h\u01a1n.<\/li>\n<li><b>Ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng<\/b>: M\u1ed9t nh\u01b0\u1ee3c \u0111i\u1ec3m ph\u1ed5 bi\u1ebfn kh\u00e1c \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u1eabn n\u1ed9 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng VPN l\u00e0 m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p VPN th\u01b0\u1eddng ghi nh\u1eadt k\u00fd d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng. H\u1ecd l\u00e0m \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 sau \u0111\u00f3 cung c\u1ea5p cho c\u00e1c quan ch\u1ee9c th\u1ef1c thi ph\u00e1p lu\u1eadt nh\u1eefng d\u1eef li\u1ec7u n\u00f3i tr\u00ean khi \u0111\u01b0\u1ee3c nh\u1eafc. Tr\u00ean th\u1ef1c t\u1ebf, m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p \u0111\u00e3 g\u00e2y ch\u00fa \u00fd b\u1eb1ng c\u00e1ch cung c\u1ea5p cho c\u00e1c c\u01a1 quan \u0111i\u1ec1u tra d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng. H\u01a1n n\u1eefa, m\u1ed9t s\u1ed1 n\u01b0\u1edbc nh\u01b0 <a href=\"https:\/\/timesofindia.indiatimes.com\/business\/india-business\/explained-what-the-new-vpn-rules-means-for-internet-users-in-india\/articleshow\/91510719.cms\" target=\"_blank\" rel=\"noopener\">\u1ea4n \u0110\u1ed9<\/a>, c\u00f3 lu\u1eadt b\u1eaft bu\u1ed9c c\u00e1c nh\u00e0 cung c\u1ea5p VPN ph\u1ea3i l\u01b0u d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng. Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, c\u00e1c nh\u00e0 quan s\u00e1t \u0111\u00e3 <a href=\"https:\/\/www.cnet.com\/tech\/services-and-software\/why-you-should-be-skeptical-about-a-vpns-no-logs-claims\/\" target=\"_blank\" rel=\"noopener\">\u0111\u00e3 khuy\u00ean tr\u01b0\u1edbc \u0111\u00f3<\/a> ng\u01b0\u1eddi d\u00f9ng ch\u1ea5p nh\u1eadn ch\u00ednh s\u00e1ch &#039;Kh\u00f4ng ghi nh\u1eadt k\u00fd&#039; c\u1ee7a nh\u00e0 cung c\u1ea5p theo m\u1ec7nh gi\u00e1.<\/li>\n<li><b>VPN mi\u1ec5n ph\u00ed th\u01b0\u1eddng kh\u00f4ng an to\u00e0n<\/b>: C\u00e1c VPN nh\u01b0 v\u1eady th\u01b0\u1eddng chia s\u1ebb c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m b\u1ea3o m\u1eadt gi\u1eefa nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng b\u1ecb &#039;\u0111\u00e1nh h\u01a1i&#039; ho\u1eb7c nghe l\u00e9n.<\/li>\n<li><b>VPN b\u1ecb c\u1ea5m \u1edf m\u1ed9t s\u1ed1 qu\u1ed1c gia<\/b>: m\u1ed9t s\u1ed1 qu\u1ed1c gia \u0111\u00e3 coi vi\u1ec7c s\u1eed d\u1ee5ng VPN ho\u00e0n to\u00e0n l\u00e0 b\u1ea5t h\u1ee3p ph\u00e1p. \u1ede c\u00e1c qu\u1ed1c gia kh\u00e1c, ch\u1ec9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng VPN \u0111\u01b0\u1ee3c ch\u00ednh ph\u1ee7 c\u1ea5p ph\u00e9p.<\/li>\n<\/ul>\n<h3>C\u00f4ng d\u1ee5ng c\u1ee7a VPN<\/h3>\n<p>M\u1ea1ng ri\u00eang \u1ea3o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo nh\u1eefng c\u00e1ch sau:<\/p>\n<ul>\n<li>VPN cung c\u1ea5p b\u1ea3o m\u1eadt khi truy c\u1eadp internet th\u00f4ng qua c\u00e1c \u0111i\u1ec3m truy c\u1eadp c\u00f4ng c\u1ed9ng<\/li>\n<li>Truy c\u1eadp n\u1ed9i dung b\u1ecb ch\u1eb7n \u0111\u1ecba l\u00fd: nh\u01b0 \u0111\u00e3 n\u00eau, VPN, nh\u01b0 proxy SOCKS5, cho ph\u00e9p b\u1ea1n truy c\u1eadp m\u1ecdi n\u1ed9i dung t\u1eeb b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o<\/li>\n<li>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00f4ng vi\u1ec7c t\u1eeb xa: c\u00e1c c\u00f4ng ty b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a h\u1ecd b\u1eb1ng c\u00e1ch y\u00eau c\u1ea7u nh\u00e2n vi\u00ean t\u1eeb xa \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng ho\u1eb7c m\u00e1y ch\u1ee7 c\u1ee7a h\u1ecd th\u00f4ng qua VPN chuy\u00ean d\u1ee5ng<\/li>\n<\/ul>\n<h3>Proxy SOCKS so s\u00e1nh v\u1edbi VPN nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n<p>Nh\u1eafc l\u1ea1i c\u00e1c t\u00ednh n\u0103ng, \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00eau tr\u00ean c\u1ee7a proxy SOCKS, so s\u00e1nh proxy SOCKS v\u00e0 VPN nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n<h4><b>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng gi\u1eefa Proxy SOCKS v\u00e0 VPN<\/b><\/h4>\n<p>Proxy v\u00e0 VPN SOCKS c\u00f3 nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng nh\u1ea5t \u0111\u1ecbnh, bao g\u1ed3m:<\/p>\n<ul>\n<li>Quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn: Proxy v\u00e0 VPN SOCKS5 che gi\u1ea5u \u0111\u1ecba ch\u1ec9 IP th\u1ef1c, do \u0111\u00f3 mang l\u1ea1i quy\u1ec1n ri\u00eang t\u01b0 tr\u1ef1c tuy\u1ebfn<\/li>\n<li>B\u1ea3o m\u1eadt: c\u1ea3 hai gi\u1ea3i ph\u00e1p \u0111\u1ec1u t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, m\u1eb7c d\u00f9 theo nh\u1eefng c\u00e1ch kh\u00e1c nhau. VPN m\u00e3 h\u00f3a d\u1eef li\u1ec7u trong khi proxy SOCKS5 th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c.<\/li>\n<li>C\u00e1c giao th\u1ee9c \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3: m\u1ed9t s\u1ed1 <a href=\"https:\/\/cybernews.com\/what-is-vpn\/vpn-protocols\/\" target=\"_blank\" rel=\"noopener\">Giao th\u1ee9c VPN<\/a>, ch\u1eb3ng h\u1ea1n nh\u01b0 OpenVPN, h\u1ed7 tr\u1ee3 TCP v\u00e0 UDP, trong khi proxy SOCKS5 c\u0169ng h\u1ed7 tr\u1ee3 TCP v\u00e0 UDP.<\/li>\n<li>B\u1ecf qua c\u00e1c gi\u1edbi h\u1ea1n \u0111\u1ecba l\u00fd: Proxy v\u00e0 VPN SOCKS5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp n\u1ed9i dung b\u1ecb ch\u1eb7n \u0111\u1ecba l\u00fd.<\/li>\n<\/ul>\n<h4><b>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Proxy SOCKS v\u00e0 VPN<\/b><\/h4>\n<p>M\u00e1y ch\u1ee7 proxy SOCKS v\u00e0 VPN kh\u00e1c nhau \u1edf m\u1ed9t s\u1ed1 \u0111i\u1ec3m. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y:<\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><b>\u00a0<\/b><\/td>\n<td style=\"text-align: left;\"><b>Proxy SOCKS<\/b><\/td>\n<td style=\"text-align: left;\"><b>VPN<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Giao th\u1ee9c<\/b><\/td>\n<td style=\"text-align: left;\">Proxy SOCKS, \u0111\u1eb7c bi\u1ec7t l\u00e0 proxy SOCKS5, h\u1ed7 tr\u1ee3 proxy l\u1edbp \u1ee9ng d\u1ee5ng v\u00e0 v\u1eadn chuy\u1ec3n, bao g\u1ed3m FTP, SMTP, TELNET, HTTP, GOPHER, NTP, DHCP, BOOTP, NNP, TFTP, RTSP, RIP v\u00e0 DNS<\/td>\n<td style=\"text-align: left;\">VPN th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c VPN nh\u01b0 IKEv2, OpenVPN, L2TP\/IPSec, WireGuard, SSTP v\u00e0 PPTP<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>T\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i<\/b><\/td>\n<td style=\"text-align: left;\">Proxy SOCKS th\u01b0\u1eddng nhanh h\u01a1n v\u00ec ch\u00fang kh\u00f4ng th\u1ef1c hi\u1ec7n m\u00e3 h\u00f3a<\/td>\n<td style=\"text-align: left;\">VPN ch\u1eadm v\u00ec ch\u00fang m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>S\u1ed1 l\u01b0\u1ee3ng m\u00e1y ch\u1ee7<\/b><\/td>\n<td style=\"text-align: left;\">C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 proxy SOCKS th\u01b0\u1eddng cung c\u1ea5p h\u00e0ng tr\u0103m ngh\u00ecn, th\u1eadm ch\u00ed v\u00e0i tri\u1ec7u m\u00e1y ch\u1ee7 proxy<\/td>\n<td style=\"text-align: left;\">C\u00e1c nh\u00e0 cung c\u1ea5p VPN th\u01b0\u1eddng c\u00f3 \u00edt m\u00e1y ch\u1ee7 h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><b>Qu\u1ed1c gia<\/b><\/td>\n<td style=\"text-align: left;\">M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p SOCKS c\u00f3 m\u00e1y ch\u1ee7 proxy \u1edf h\u01a1n 150 qu\u1ed1c gia<\/td>\n<td style=\"text-align: left;\">C\u00e1c nh\u00e0 cung c\u1ea5p VPN th\u01b0\u1eddng c\u00f3 m\u00e1y ch\u1ee7 VPN \u1edf \u00edt qu\u1ed1c gia h\u01a1n, th\u01b0\u1eddng d\u01b0\u1edbi 100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n<p>Proxy SOCKS cho ph\u00e9p li\u00ean l\u1ea1c gi\u1eefa m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u0169ng nh\u01b0 gi\u1eefa m\u00e1y kh\u00e1ch web v\u00e0 m\u00e1y ch\u1ee7 web th\u00f4ng qua t\u01b0\u1eddng l\u1eeda m\u1ea1ng. D\u1ef1a tr\u00ean giao th\u1ee9c SOCKS, lo\u1ea1i proxy n\u00e0y ng\u0103n ch\u1eb7n k\u1ebb x\u00e2m nh\u1eadp truy c\u1eadp v\u00e0o th\u00f4ng tin li\u00ean l\u1ea1c gi\u1eefa c\u00e1c b\u00ean kh\u00e1c nhau. Qua nhi\u1ec1u n\u0103m, giao th\u1ee9c SOCKS \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn, t\u1ea1o ra m\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n, c\u1ee5 th\u1ec3 l\u00e0 SOCKS4, SOCKS4a v\u00e0 SOCKS5. K\u1ebft qu\u1ea3 l\u00e0, c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i proxy SOCKS, c\u1ee5 th\u1ec3 l\u00e0 proxy SOCKS4 v\u00e0 proxy SOCKS5, trong \u0111\u00f3 proxy SOCKS5 cung c\u1ea5p c\u00e1c kh\u1ea3 n\u0103ng v\u01b0\u1ee3t tr\u1ed9i. Proxy SOCKS \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo nhi\u1ec1u c\u00e1ch, bao g\u1ed3m t\u1ea3i torrent, g\u1eedi email, ph\u00e1t video tr\u1ef1c tuy\u1ebfn, cu\u1ed9c g\u1ecdi tr\u1ef1c ti\u1ebfp v\u00e0 duy\u1ec7t web chung. H\u1ecd c\u0169ng cung c\u1ea5p \u1ea9n danh tr\u1ef1c tuy\u1ebfn. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i \u0111\u00e3 so s\u00e1nh proxy SOCKS v\u1edbi VPN v\u00e0 proxy HTTP v\u00e0 ch\u00fang t\u00f4i hy v\u1ecdng b\u1ea1n c\u00f3 th\u00f4ng tin t\u1ed1t h\u01a1n v\u1ec1 vi\u1ec7c n\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o cho nhu c\u1ea7u ri\u00eang c\u1ee7a m\u00ecnh.<\/p>","protected":false},"excerpt":{"rendered":"<p>You have likely heard about proxies and perhaps even SOCKS proxies. At their core, proxy servers or proxies are hardware- or software-based intermediaries that sit on a local or remote machine. In this intermediate role, they route all traffic between web browsers (web clients) and web servers through themselves, thus blocking or preventing direct communication. [&hellip;]<\/p>\n","protected":false},"featured_media":469575,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"kb-categories":[69,71],"class_list":["post-468697","knowledge-base","type-knowledge-base","status-publish","has-post-thumbnail","hentry","kb-categories-proxy-types","kb-categories-proxies-by-protocol"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/knowledge-base\/468697","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\/468697\/revisions"}],"predecessor-version":[{"id":469593,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/knowledge-base\/468697\/revisions\/469593"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/media\/469575"}],"wp:attachment":[{"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/media?parent=468697"}],"wp:term":[{"taxonomy":"kb-categories","embeddable":true,"href":"https:\/\/proxycompass.com\/vi\/wp-json\/wp\/v2\/kb-categories?post=468697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}