{"id":476776,"date":"2023-08-09T07:36:15","date_gmt":"2023-08-09T07:36:15","guid":{"rendered":""},"modified":"2023-09-05T11:13:26","modified_gmt":"2023-09-05T11:13:26","slug":"default-gateway","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/default-gateway\/","title":{"rendered":"Gateway m\u1eb7c \u0111\u1ecbnh"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong m\u1ea1ng m\u00e1y t\u00ednh, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng gi\u1eefa c\u00e1c m\u1ea1ng ho\u1eb7c m\u1ea1ng con kh\u00e1c nhau. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb trung gian, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n li\u00ean l\u1ea1c gi\u1eefa m\u1ea1ng c\u1ee5c b\u1ed9 v\u00e0 m\u1ea1ng b\u00ean ngo\u00e0i, ch\u1eb3ng h\u1ea1n nh\u01b0 Internet. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o kh\u00e1i ni\u1ec7m v\u1ec1 c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, l\u1ecbch s\u1eed, c\u1ea5u tr\u00fac b\u00ean trong, c\u00e1c t\u00ednh n\u0103ng ch\u00ednh, lo\u1ea1i, c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 s\u1ef1 li\u00ean k\u1ebft c\u1ee7a n\u00f3 v\u1edbi m\u00e1y ch\u1ee7 proxy. C\u1ee5 th\u1ec3, ch\u00fang t\u00f4i s\u1ebd t\u1eadp trung v\u00e0o c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi OneProxy (oneproxy.pro), nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy uy t\u00edn.<\/p>\n<h2>L\u1ecbch s\u1eed c\u1ee7a C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h2>\n<p>Kh\u00e1i ni\u1ec7m v\u1ec1 c\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u00f3 t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh. L\u1ef1c l\u01b0\u1ee3ng \u0111\u1eb7c nhi\u1ec7m k\u1ef9 thu\u1eadt Internet (IETF) \u0111\u00e3 ti\u00eau chu\u1ea9n h\u00f3a Giao th\u1ee9c Internet (IP) v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980, t\u1ea1o n\u1ec1n t\u1ea3ng cho c\u00e1c m\u1ea1ng m\u00e1y t\u00ednh hi\u1ec7n \u0111\u1ea1i. Nhu c\u1ea7u k\u1ebft n\u1ed1i c\u00e1c m\u1ea1ng c\u1ee5c b\u1ed9 v\u1edbi Internet to\u00e0n c\u1ea7u \u0111\u00e3 t\u1ea1o ra c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, c\u1ed5ng n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m tho\u00e1t cho l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng d\u00e0nh cho c\u00e1c m\u1ea1ng b\u00ean ngo\u00e0i.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h2>\n<p>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i m\u1ea1ng. Khi m\u1ed9t thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng c\u1ee5c b\u1ed9 c\u1ea7n li\u00ean l\u1ea1c v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng kh\u00e1c, tr\u01b0\u1edbc ti\u00ean n\u00f3 s\u1ebd ki\u1ec3m tra xem \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t m\u1ea1ng c\u1ee5c b\u1ed9 hay m\u1ea1ng t\u1eeb xa. N\u1ebfu \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch n\u1eb1m tr\u00ean m\u1ea1ng c\u1ee5c b\u1ed9, thi\u1ebft b\u1ecb s\u1ebd li\u00ean l\u1ea1c tr\u1ef1c ti\u1ebfp v\u1edbi thi\u1ebft b\u1ecb \u0111\u00edch. Tuy nhi\u00ean, n\u1ebfu \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch n\u1eb1m tr\u00ean m\u1ed9t m\u1ea1ng kh\u00e1c, thi\u1ebft b\u1ecb s\u1ebd g\u1eedi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, sau \u0111\u00f3 chuy\u1ec3n ti\u1ebfp l\u01b0u l\u01b0\u1ee3ng \u0111\u00f3 \u0111\u1ebfn \u0111\u00edch th\u00edch h\u1ee3p.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a c\u1ed5ng m\u1eb7c \u0111\u1ecbnh th\u01b0\u1eddng bao g\u1ed3m s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m. \u1ede c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng, c\u1ed5ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng chuy\u00ean d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u giao di\u1ec7n m\u1ea1ng, cho ph\u00e9p ch\u00fang k\u1ebft n\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng kh\u00e1c nhau.<\/p>\n<p>Ph\u1ea7n m\u1ec1m ch\u1ea1y tr\u00ean c\u1ed5ng m\u1eb7c \u0111\u1ecbnh ch\u1ecbu tr\u00e1ch nhi\u1ec7m th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1ecbnh tuy\u1ebfn, bao g\u1ed3m qu\u1ea3n l\u00fd b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn ch\u1ee9a th\u00f4ng tin v\u1ec1 c\u00e1c m\u1ea1ng kh\u00e1c nhau c\u00f3 th\u1ec3 truy c\u1eadp th\u00f4ng qua c\u1ed5ng. Khi m\u1ed9t g\u00f3i tin \u0111\u1ebfn c\u1ed5ng, ph\u1ea7n m\u1ec1m s\u1ebd ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch v\u00e0 tra c\u1ee9u tuy\u1ebfn \u0111\u01b0\u1eddng th\u00edch h\u1ee3p trong b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn. Khi tuy\u1ebfn \u0111\u01b0\u1eddng ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, g\u00f3i s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n ti\u1ebfp \u0111\u1ebfn b\u01b0\u1edbc nh\u1ea3y ti\u1ebfp theo tr\u00ean \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn \u0111\u00edch.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h2>\n<p>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh s\u1edf h\u1eefu m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh:<\/p>\n<ol>\n<li>\n<p><strong>\u0110\u1ecbnh tuy\u1ebfn giao th\u00f4ng<\/strong>: Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a c\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng gi\u1eefa c\u00e1c m\u1ea1ng kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u01b0\u1ee3c \u0111\u00edch d\u1ef1 ki\u1ebfn.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n \u0111o\u1ea1n m\u1ea1ng<\/strong>: B\u1eb1ng c\u00e1ch chia m\u1ed9t m\u1ea1ng l\u1edbn th\u00e0nh c\u00e1c m\u1ea1ng con nh\u1ecf h\u01a1n, c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh cho ph\u00e9p qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng t\u1ed1t h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ecbnh tuy\u1ebfn \u0111\u1ed9ng<\/strong>: Nhi\u1ec1u c\u1ed5ng m\u1eb7c \u0111\u1ecbnh hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ed9ng, cho ph\u00e9p ch\u00fang th\u00edch \u1ee9ng v\u1edbi nh\u1eefng thay \u0111\u1ed5i trong c\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng v\u00e0 t\u00ecm ra \u0111\u01b0\u1eddng d\u1eabn hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT)<\/strong>: C\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh th\u01b0\u1eddng th\u1ef1c hi\u1ec7n NAT, d\u1ecbch c\u00e1c \u0111\u1ecba ch\u1ec9 IP ri\u00eang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ng c\u1ee5c b\u1ed9 th\u00e0nh m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng duy nh\u1ea5t khi giao ti\u1ebfp v\u1edbi m\u1ea1ng b\u00ean ngo\u00e0i.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i c\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h2>\n<p>C\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean ph\u1ea1m vi v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ch\u00fang trong m\u1ea1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i ch\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u1ee5c b\u1ed9<\/strong><\/td>\n<td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y tr\u00ean c\u00e1c m\u1ea1ng c\u1ee5c b\u1ed9 ri\u00eang l\u1ebb, k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb v\u1edbi Internet ho\u1eb7c m\u1ea1ng b\u00ean ngo\u00e0i.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh t\u1eeb xa<\/strong><\/td>\n<td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng l\u1edbn h\u01a1n \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u m\u1ea1ng con, th\u01b0\u1eddng \u0111\u01b0\u1ee3c qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng qu\u1ea3n l\u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng C\u1ed5ng m\u1eb7c \u0111\u1ecbnh, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h3>\n<p>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p kh\u00e1c nhau:<\/p>\n<ol>\n<li>\n<p><strong>K\u1ebft n\u1ed1i m\u1ea1ng Internet<\/strong>: T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng c\u1ee5c b\u1ed9 \u0111\u1ec1u truy c\u1eadp Internet th\u00f4ng qua c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, c\u1ed5ng n\u00e0y chuy\u1ec3n ti\u1ebfp l\u01b0u l\u01b0\u1ee3ng \u0111i \u0111\u1ebfn Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP).<\/p>\n<\/li>\n<li>\n<p><strong>Truy c\u1eadp t\u1eeb xa<\/strong>: C\u1ed5ng m\u1eb7c \u0111\u1ecbnh cho ph\u00e9p truy c\u1eadp t\u1eeb xa v\u00e0o t\u00e0i nguy\u00ean trong m\u1ea1ng ri\u00eang th\u00f4ng qua M\u1ea1ng ri\u00eang \u1ea3o (VPN).<\/p>\n<\/li>\n<li>\n<p><strong>\u1ea2o h\u00f3a m\u1ea1ng<\/strong>: Trong m\u00f4i tr\u01b0\u1eddng \u1ea3o h\u00f3a, c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i m\u00e1y \u1ea3o v\u1edbi m\u1ea1ng b\u00ean ngo\u00e0i.<\/p>\n<\/li>\n<\/ol>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u00f4i khi c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i m\u1ea1ng. M\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a h\u1ecd bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>C\u1ea5u h\u00ecnh c\u1ed5ng kh\u00f4ng ch\u00ednh x\u00e1c<\/strong>: N\u1ebfu c\u1ed5ng m\u1eb7c \u0111\u1ecbnh b\u1ecb \u0111\u1ecbnh c\u1ea5u h\u00ecnh sai tr\u00ean thi\u1ebft b\u1ecb, thi\u1ebft b\u1ecb s\u1ebd kh\u00f4ng th\u1ec3 truy c\u1eadp m\u1ea1ng b\u00ean ngo\u00e0i. Ki\u1ec3m tra k\u1ef9 c\u00e0i \u0111\u1eb7t c\u1ed5ng c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1eafc ngh\u1ebdn m\u1ea1ng<\/strong>: L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp l\u1edbn c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn t\u1ea1i c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, d\u1eabn \u0111\u1ebfn vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm. N\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb m\u1ea1ng ho\u1eb7c tri\u1ec3n khai c\u01a1 ch\u1ebf Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS) c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m b\u1edbt t\u1eafc ngh\u1ebdn.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ed7i c\u1ed5ng<\/strong>: N\u1ebfu c\u1ed5ng m\u1eb7c \u0111\u1ecbnh b\u1ecb l\u1ed7i, c\u00e1c thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng c\u1ee5c b\u1ed9 s\u1ebd m\u1ea5t k\u1ebft n\u1ed1i b\u00ean ngo\u00e0i. C\u1ea5u h\u00ecnh c\u1ed5ng d\u1ef1 ph\u00f2ng ho\u1eb7c thay th\u1ebf c\u1ed5ng nhanh c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n<p>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi c\u00e1c thu\u1eadt ng\u1eef m\u1ea1ng kh\u00e1c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 so s\u00e1nh ch\u00ednh:<\/p>\n<ol>\n<li>\n<p><strong>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh so v\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong>: C\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee5 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m tho\u00e1t \u0111\u1ec3 m\u1ea1ng c\u1ee5c b\u1ed9 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng b\u00ean ngo\u00e0i. M\u1eb7t kh\u00e1c, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn l\u00e0 nh\u1eefng thi\u1ebft b\u1ecb t\u1ed5ng qu\u00e1t h\u01a1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec1u ch\u1ee9c n\u0103ng \u0111\u1ecbnh tuy\u1ebfn kh\u00e1c nhau trong v\u00e0 gi\u1eefa c\u00e1c m\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh so v\u1edbi m\u1eb7t n\u1ea1 m\u1ea1ng con<\/strong>: C\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 IP tr\u00ean m\u1ea1ng c\u1ee5c b\u1ed9 \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m truy c\u1eadp v\u00e0o c\u00e1c m\u1ea1ng kh\u00e1c. M\u1eb7t kh\u00e1c, m\u1eb7t n\u1ea1 m\u1ea1ng con x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi \u0111\u1ecba ch\u1ec9 IP trong c\u00f9ng m\u1ed9t m\u1ea1ng c\u1ee5c b\u1ed9.<\/p>\n<\/li>\n<\/ol>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>Khi m\u1ea1ng m\u00e1y t\u00ednh ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd tr\u1edf n\u00ean th\u00f4ng minh v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. Vi\u1ec7c \u00e1p d\u1ee5ng IPv6 s\u1ebd cung c\u1ea5p kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 l\u1edbn h\u01a1n, cho ph\u00e9p Internet ph\u00e1t tri\u1ec3n li\u1ec1n m\u1ea1ch. Ngo\u00e0i ra, nh\u1eefng ti\u1ebfn b\u1ed9 trong m\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN) v\u00e0 \u1ea3o h\u00f3a ch\u1ee9c n\u0103ng m\u1ea1ng (NFV) c\u00f3 th\u1ec3 c\u00e1ch m\u1ea1ng h\u00f3a c\u00e1ch tri\u1ec3n khai v\u00e0 qu\u1ea3n l\u00fd c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 s\u1ef1 li\u00ean k\u1ebft c\u1ee7a ch\u00fang v\u1edbi C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 b\u1ed5 sung cho c\u00e1c c\u1ed5ng m\u1eb7c \u0111\u1ecbnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong b\u1ed1i c\u1ea3nh quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt. M\u00e1y ch\u1ee7 proxy ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung gian gi\u1eefa thi\u1ebft b\u1ecb kh\u00e1ch v\u00e0 Internet. Khi m\u00e1y kh\u00e1ch g\u1eedi y\u00eau c\u1ea7u truy c\u1eadp m\u1ed9t trang web, m\u00e1y ch\u1ee7 proxy s\u1ebd thay m\u1eb7t m\u00e1y kh\u00e1ch chuy\u1ec3n ti\u1ebfp y\u00eau c\u1ea7u \u0111\u00f3, khi\u1ebfn y\u00eau c\u1ea7u \u0111\u00f3 c\u00f3 v\u1ebb nh\u01b0 \u0111\u1ebfn t\u1eeb ch\u00ednh m\u00e1y ch\u1ee7 proxy. Qu\u00e1 tr\u00ecnh n\u00e0y \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a kh\u00e1ch h\u00e0ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 cung c\u1ea5p m\u1ee9c \u0111\u1ed9 \u1ea9n danh.<\/p>\n<p>Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy cho c\u00e1c lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee5 th\u1ec3. C\u1ea5u h\u00ecnh n\u00e0y r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, l\u1ecdc n\u1ed9i dung v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u1ea1ng.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">Trang web ch\u00ednh th\u1ee9c c\u1ee7a OneProxy<\/a><\/li>\n<li><a href=\"https:\/\/www.ietf.org\/\" target=\"_new\" rel=\"noopener nofollow\">L\u1ef1c l\u01b0\u1ee3ng \u0111\u1eb7c nhi\u1ec7m k\u1ef9 thu\u1eadt Internet (IETF)<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Network_address_translation\" target=\"_new\" rel=\"noopener nofollow\">D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT)<\/a><\/li>\n<li><a href=\"https:\/\/www.arin.net\/resources\/ipv6\/\" target=\"_new\" rel=\"noopener nofollow\">\u00c1p d\u1ee5ng v\u00e0 tri\u1ec3n khai IPv6<\/a><\/li>\n<li><a href=\"https:\/\/www.opennetworking.org\/sdn-definition\/\" target=\"_new\" rel=\"noopener nofollow\">M\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u1ea7n m\u1ec1m (SDN)<\/a><\/li>\n<li><a href=\"https:\/\/www.nfvfellowship.com\/nfv\" target=\"_new\" rel=\"noopener nofollow\">\u1ea2o h\u00f3a ch\u1ee9c n\u0103ng m\u1ea1ng (NFV)<\/a><\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, c\u1ed5ng m\u1eb7c \u0111\u1ecbnh l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh, \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u1ea7u n\u1ed1i gi\u1eefa m\u1ea1ng c\u1ee5c b\u1ed9 v\u00e0 m\u1ea1ng b\u00ean ngo\u00e0i. Khi c\u00f4ng ngh\u1ec7 m\u1ea1ng ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, c\u1ed5ng m\u1eb7c \u0111\u1ecbnh d\u1ef1 ki\u1ebfn s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u Internet ng\u00e0y c\u00e0ng m\u1edf r\u1ed9ng. Khi k\u1ebft h\u1ee3p v\u1edbi m\u00e1y ch\u1ee7 proxy, c\u1ed5ng m\u1eb7c \u0111\u1ecbnh c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 n\u00e2ng cao, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"featured_media":476777,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476776","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Default Gateway for OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is a default gateway?","answer":"<p>A default gateway is a crucial component in computer networking that acts as an intermediary device, directing network traffic between different networks or subnets. It facilitates communication between the local network and external networks like the Internet.<\/p>"},{"question":"How did the concept of the default gateway originate?","answer":"<p>The concept of the default gateway dates back to the early days of computer networking when the Internet Protocol (IP) was standardized by the Internet Engineering Task Force (IETF) in the early 1980s. The need to connect local networks to the global Internet led to the creation of the default gateway.<\/p>"},{"question":"How does a default gateway work?","answer":"<p>When a device on a local network needs to communicate with a device on another network, it first checks if the destination IP address is on the same local network or a remote network. If the destination IP address is on the local network, the device communicates directly with the target device. If it is on a different network, the device sends the traffic to the default gateway, which forwards it to the appropriate destination.<\/p>"},{"question":"What is the internal structure of a default gateway?","answer":"<p>A default gateway typically consists of hardware and software components. The hardware may be a dedicated network device like a router or a layer-3 switch, equipped with multiple network interfaces. The software running on the gateway manages a routing table containing information about the various networks reachable through the gateway.<\/p>"},{"question":"What are the key features of a default gateway?","answer":"<p>The key features of a default gateway include traffic routing, network segmentation, dynamic routing, and Network Address Translation (NAT). It ensures data reaches its intended destination, improves network management and security, adapts to changes in network topology, and translates private IP addresses into a single public IP address.<\/p>"},{"question":"What types of default gateways exist?","answer":"<p>There are two main types of default gateways based on their scope and location within the network:<\/p><ol><li><p><strong>Local Default Gateway<\/strong>: Found on individual local networks, connecting devices to the Internet or external networks.<\/p><\/li><li><p><strong>Remote Default Gateway<\/strong>: Used in larger networks to connect multiple subnets, managed by network administrators for efficient traffic flow.<\/p><\/li><\/ol>"},{"question":"In what ways are default gateways used, and what problems may arise?","answer":"<p>Default gateways are used for Internet connectivity, remote access, and network virtualization. Common problems include incorrect gateway configuration, network congestion, and gateway failures. Solutions involve double-checking settings, upgrading equipment, implementing QoS, and ensuring gateway redundancy.<\/p>"},{"question":"How does the default gateway compare to a router and subnet mask?","answer":"<p>A default gateway is a specific type of router, serving as the exit point for a local network to connect to external networks. Routers are more general devices that can perform various routing functions within and between networks. A subnet mask defines the range of IP addresses within the same local network.<\/p>"},{"question":"What are the future perspectives and technologies related to default gateways?","answer":"<p>As computer networks continue to evolve, default gateways are expected to become more intelligent and efficient. The adoption of IPv6, software-defined networking (SDN), and network function virtualization (NFV) are likely to impact default gateway implementation and management.<\/p>"},{"question":"How are proxy servers associated with default gateways?","answer":"<p>Proxy servers act as intermediaries between client devices and the Internet, providing anonymity by hiding the client's IP address. Default gateways can be configured to use proxy servers for specific types of traffic, enhancing security, content filtering, and network performance.<\/p><p>For more information about Default Gateway and related topics, visit the <a href=\"https:\/\/www.oneproxy.pro\/\" target=\"_new\">OneProxy Official Website<\/a>, <a href=\"https:\/\/www.ietf.org\/\" target=\"_new\">Internet Engineering Task Force (IETF)<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Network_address_translation\" target=\"_new\">Network Address Translation (NAT)<\/a>, <a href=\"https:\/\/www.arin.net\/resources\/ipv6\/\" target=\"_new\">IPv6 Adoption and Implementation<\/a>, <a href=\"https:\/\/www.opennetworking.org\/sdn-definition\/\" target=\"_new\">Software-Defined Networking (SDN)<\/a>, and <a href=\"https:\/\/www.nfvfellowship.com\/nfv\" target=\"_new\">Network Function Virtualization (NFV)<\/a> links.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476776\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476777"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}