{"id":570247,"date":"2026-07-27T14:30:50","date_gmt":"2026-07-27T07:30:50","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=570247"},"modified":"2026-07-27T14:30:50","modified_gmt":"2026-07-27T07:30:50","slug":"http-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/http-la-gi\/","title":{"rendered":"HTTP l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u00e2n bi\u1ec7t v\u1edbi HTTPS"},"content":{"rendered":"<p>M\u1ed7i khi b\u1ea1n m\u1edf m\u1ed9t trang web, ph\u00eda sau thao t\u00e1c t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n \u0111\u00f3 l\u00e0 c\u1ea3 m\u1ed9t qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7, v\u00e0 HTTP ch\u00ednh l\u00e0 &#8220;ng\u00f4n ng\u1eef chung&#8221; \u0111i\u1ec1u ph\u1ed1i to\u00e0n b\u1ed9 cu\u1ed9c tr\u00f2 chuy\u1ec7n n\u00e0y. HTTP l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a World Wide Web, quy\u1ebft \u0111\u1ecbnh c\u00e1ch th\u00f4ng tin \u0111\u01b0\u1ee3c g\u1eedi \u0111i v\u00e0 nh\u1eadn v\u1ec1 tr\u00ean Internet. Trong n\u1ed9i dung d\u01b0\u1edbi \u0111\u00e2y, b\u1ea1n s\u1ebd hi\u1ec3u r\u00f5 HTTP l\u00e0 g\u00ec, c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh y\u00eau c\u1ea7u \u2013 ph\u1ea3n h\u1ed3i, c\u00e1c ph\u01b0\u01a1ng th\u1ee9c v\u00e0 m\u00e3 tr\u1ea1ng th\u00e1i ph\u1ed5 bi\u1ebfn, c\u0169ng nh\u01b0 s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng gi\u1eefa HTTP v\u00e0 HTTPS \u0111\u1ec3 bi\u1ebft v\u00ec sao ng\u00e0y nay HTTPS g\u1ea7n nh\u01b0 l\u00e0 ti\u00eau chu\u1ea9n b\u1eaft bu\u1ed9c.<\/p>\n<h2>HTTP l\u00e0 g\u00ec?<\/h2>\n<p>HTTP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a HyperText Transfer Protocol (giao th\u1ee9c truy\u1ec1n t\u1ea3i si\u00eau v\u0103n b\u1ea3n), m\u1ed9t giao th\u1ee9c t\u1ea7ng \u1ee9ng d\u1ee5ng quy \u0111\u1ecbnh c\u00e1ch tr\u00ecnh duy\u1ec7t (client) v\u00e0 m\u00e1y ch\u1ee7 web (server) trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi nhau tr\u00ean Internet. Khi b\u1ea1n nh\u1eadp m\u1ed9t \u0111\u1ecba ch\u1ec9 web v\u00e0 nh\u1ea5n Enter, tr\u00ecnh duy\u1ec7t s\u1ebd g\u1eedi m\u1ed9t y\u00eau c\u1ea7u HTTP \u0111\u1ebfn m\u00e1y ch\u1ee7; m\u00e1y ch\u1ee7 x\u1eed l\u00fd y\u00eau c\u1ea7u r\u1ed3i g\u1eedi n\u1ed9i dung trang web tr\u1edf l\u1ea1i. Nh\u1edd HTTP, c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 v\u0103n b\u1ea3n, h\u00ecnh \u1ea3nh, video hay li\u00ean k\u1ebft m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i v\u00e0 hi\u1ec3n th\u1ecb \u0111\u00fang c\u00e1ch tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n<p>M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a HTTP l\u00e0 <strong>stateless<\/strong> (kh\u00f4ng l\u01b0u tr\u1ea1ng th\u00e1i): m\u1ed7i y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ed9c l\u1eadp, m\u00e1y ch\u1ee7 kh\u00f4ng t\u1ef1 ghi nh\u1edb c\u00e1c y\u00eau c\u1ea7u tr\u01b0\u1edbc \u0111\u00f3. \u0110\u1ec3 &#8220;nh\u1edb&#8221; ng\u01b0\u1eddi d\u00f9ng gi\u1eefa c\u00e1c l\u1ea7n truy c\u1eadp, website ph\u1ea3i d\u00f9ng th\u00eam cookie, session ho\u1eb7c token.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-570463 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-1.jpg\" alt=\"http-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>HTTP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>HTTP ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh y\u00eau c\u1ea7u \u2013 ph\u1ea3n h\u1ed3i (request \u2013 response) gi\u1eefa client v\u00e0 server, di\u1ec5n ra r\u1ea5t nhanh ch\u1ec9 trong t\u00edch t\u1eafc:<\/p>\n<ul>\n<li>B\u01b0\u1edbc 1: Tr\u00ecnh duy\u1ec7t (client) g\u1eedi m\u1ed9t y\u00eau c\u1ea7u HTTP t\u1edbi m\u00e1y ch\u1ee7, k\u00e8m ph\u01b0\u01a1ng th\u1ee9c (GET, POST\u2026), \u0111\u01b0\u1eddng d\u1eabn v\u00e0 c\u00e1c th\u00f4ng tin header.<\/li>\n<li>B\u01b0\u1edbc 2: M\u00e1y ch\u1ee7 (server) nh\u1eadn y\u00eau c\u1ea7u, x\u1eed l\u00fd v\u00e0 t\u00ecm d\u1eef li\u1ec7u t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li>B\u01b0\u1edbc 3: M\u00e1y ch\u1ee7 tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i HTTP g\u1ed3m m\u00e3 tr\u1ea1ng th\u00e1i, header v\u00e0 n\u1ed9i dung (trang web, h\u00ecnh \u1ea3nh, d\u1eef li\u1ec7u\u2026).<\/li>\n<li>B\u01b0\u1edbc 4: Tr\u00ecnh duy\u1ec7t nh\u1eadn ph\u1ea3n h\u1ed3i v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<p>M\u1ed7i y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i HTTP \u0111\u1ec1u mang theo ph\u1ea7n header ch\u1ee9a th\u00f4ng tin b\u1ed5 sung nh\u01b0 lo\u1ea1i n\u1ed9i dung, ng\u00f4n ng\u1eef, th\u00f4ng tin b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) v\u00e0 cookie. Ch\u00ednh nh\u1edd c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng n\u00e0y m\u00e0 HTTP c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 h\u00e0ng t\u1ef7 l\u01b0\u1ee3t truy c\u1eadp m\u1ed7i ng\u00e0y m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-570464 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-2.jpg\" alt=\"http-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c HTTP th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>Ph\u01b0\u01a1ng th\u1ee9c HTTP (HTTP method) cho m\u00e1y ch\u1ee7 bi\u1ebft client mu\u1ed1n th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng g\u00ec v\u1edbi t\u00e0i nguy\u00ean. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng ph\u01b0\u01a1ng th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ph\u01b0\u01a1ng th\u1ee9c<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<th>V\u00ed d\u1ee5 s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>GET<\/td>\n<td>L\u1ea5y d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7<\/td>\n<td>M\u1edf m\u1ed9t trang web, t\u1ea3i h\u00ecnh \u1ea3nh<\/td>\n<\/tr>\n<tr>\n<td>POST<\/td>\n<td>G\u1eedi d\u1eef li\u1ec7u m\u1edbi l\u00ean m\u00e1y ch\u1ee7<\/td>\n<td>\u0110i\u1ec1n v\u00e0 g\u1eedi bi\u1ec3u m\u1eabu, \u0111\u0103ng nh\u1eadp<\/td>\n<\/tr>\n<tr>\n<td>PUT<\/td>\n<td>C\u1eadp nh\u1eadt\/thay th\u1ebf d\u1eef li\u1ec7u \u0111\u00e3 c\u00f3<\/td>\n<td>Ch\u1ec9nh s\u1eeda th\u00f4ng tin h\u1ed3 s\u01a1<\/td>\n<\/tr>\n<tr>\n<td>DELETE<\/td>\n<td>X\u00f3a d\u1eef li\u1ec7u tr\u00ean m\u00e1y ch\u1ee7<\/td>\n<td>X\u00f3a m\u1ed9t b\u00e0i vi\u1ebft, m\u1ed9t t\u00e0i kho\u1ea3n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Trong \u0111\u00f3, GET v\u00e0 POST l\u00e0 hai ph\u01b0\u01a1ng th\u1ee9c \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t khi b\u1ea1n l\u01b0\u1edbt web h\u1eb1ng ng\u00e0y.<\/p>\n<h2>M\u1ed9t s\u1ed1 m\u00e3 tr\u1ea1ng th\u00e1i HTTP ph\u1ed5 bi\u1ebfn<\/h2>\n<p>Sau m\u1ed7i y\u00eau c\u1ea7u, m\u00e1y ch\u1ee7 tr\u1ea3 v\u1ec1 m\u1ed9t m\u00e3 tr\u1ea1ng th\u00e1i (status code) g\u1ed3m ba ch\u1eef s\u1ed1 \u0111\u1ec3 cho bi\u1ebft k\u1ebft qu\u1ea3 x\u1eed l\u00fd. C\u00e1c nh\u00f3m m\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo ch\u1eef s\u1ed1 \u0111\u1ea7u ti\u00ean:<\/p>\n<table>\n<thead>\n<tr>\n<th>M\u00e3 tr\u1ea1ng th\u00e1i<\/th>\n<th>Nh\u00f3m<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>200 OK<\/td>\n<td>2xx \u2013 Th\u00e0nh c\u00f4ng<\/td>\n<td>Y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00e0nh c\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>301 \/ 302<\/td>\n<td>3xx \u2013 Chuy\u1ec3n h\u01b0\u1edbng<\/td>\n<td>Trang \u0111\u00e3 chuy\u1ec3n sang \u0111\u1ecba ch\u1ec9 kh\u00e1c (301 v\u0129nh vi\u1ec5n, 302 t\u1ea1m th\u1eddi)<\/td>\n<\/tr>\n<tr>\n<td>404 Not Found<\/td>\n<td>4xx \u2013 L\u1ed7i ph\u00eda client<\/td>\n<td>Kh\u00f4ng t\u00ecm th\u1ea5y trang \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td>403 Forbidden<\/td>\n<td>4xx \u2013 L\u1ed7i ph\u00eda client<\/td>\n<td>Kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp t\u00e0i nguy\u00ean<\/td>\n<\/tr>\n<tr>\n<td>500 Internal Server Error<\/td>\n<td>5xx \u2013 L\u1ed7i ph\u00eda server<\/td>\n<td>M\u00e1y ch\u1ee7 g\u1eb7p s\u1ef1 c\u1ed1 khi x\u1eed l\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hi\u1ec3u \u00fd ngh\u0129a c\u1ee7a c\u00e1c m\u00e3 n\u00e0y gi\u00fap b\u1ea1n nhanh ch\u00f3ng \u0111o\u00e1n \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n khi m\u1ed9t trang web kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c nh\u01b0 mong mu\u1ed1n.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-570465 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-3.jpg\" alt=\"http-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>Ph\u00e2n bi\u1ec7t HTTP v\u00e0 HTTPS<\/h2>\n<p>\u0110i\u1ec3m kh\u00e1c bi\u1ec7t l\u1edbn nh\u1ea5t gi\u1eefa HTTP v\u00e0 HTTPS n\u1eb1m \u1edf t\u00ednh b\u1ea3o m\u1eadt: HTTPS l\u00e0 phi\u00ean b\u1ea3n c\u00f3 m\u00e3 h\u00f3a c\u1ee7a HTTP nh\u1edd l\u1edbp SSL\/TLS. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u1ed5ng h\u1ee3p nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng nh\u1ea5t:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>HTTP<\/th>\n<th>HTTPS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ea3o m\u1eadt<\/td>\n<td>Kh\u00f4ng m\u00e3 h\u00f3a d\u1eef li\u1ec7u<\/td>\n<td>M\u00e3 h\u00f3a d\u1eef li\u1ec7u b\u1eb1ng SSL\/TLS<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed5ng m\u1eb7c \u0111\u1ecbnh<\/td>\n<td>C\u1ed5ng 80<\/td>\n<td>C\u1ed5ng 443<\/td>\n<\/tr>\n<tr>\n<td>K\u00fd hi\u1ec7u<\/td>\n<td>http:\/\/<\/td>\n<td>https:\/\/ (k\u00e8m bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ee9ng ch\u1ec9<\/td>\n<td>Kh\u00f4ng c\u1ea7n<\/td>\n<td>C\u1ea7n ch\u1ee9ng ch\u1ec9 SSL\/TLS<\/td>\n<\/tr>\n<tr>\n<td>An to\u00e0n<\/td>\n<td>D\u1ec5 b\u1ecb nghe l\u00e9n, \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u<\/td>\n<td>B\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n, m\u1eadt kh\u1ea9u, thanh to\u00e1n<\/td>\n<\/tr>\n<tr>\n<td>SEO<\/td>\n<td>Kh\u00f4ng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean<\/td>\n<td>\u0110\u01b0\u1ee3c Google \u01b0u ti\u00ean x\u1ebfp h\u1ea1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00f3 th\u1ec3 h\u00ecnh dung \u0111\u01a1n gi\u1ea3n: HTTP gi\u1ed1ng nh\u01b0 g\u1eedi m\u1ed9t t\u1ea5m b\u01b0u thi\u1ebfp m\u00e0 ai c\u0169ng \u0111\u1ecdc \u0111\u01b0\u1ee3c n\u1ed9i dung, c\u00f2n HTTPS gi\u1ed1ng nh\u01b0 g\u1eedi th\u01b0 trong phong b\u00ec ni\u00eam phong \u0111\u00e3 m\u00e3 h\u00f3a.<\/p>\n<h2>V\u00ec sao n\u00ean d\u00f9ng HTTPS thay cho HTTP?<\/h2>\n<p>Ng\u00e0y nay, HTTPS g\u1ea7n nh\u01b0 l\u00e0 ti\u00eau chu\u1ea9n b\u1eaft bu\u1ed9c cho m\u1ecdi website, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c trang c\u00f3 giao d\u1ecbch ho\u1eb7c thu th\u1eadp th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng. Nh\u1eefng l\u00fd do ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li>B\u1ea3o m\u1eadt d\u1eef li\u1ec7u: m\u00e3 h\u00f3a to\u00e0n b\u1ed9 th\u00f4ng tin trao \u0111\u1ed5i, h\u1ea1n ch\u1ebf nguy c\u01a1 b\u1ecb nghe l\u00e9n ho\u1eb7c \u0111\u00e1nh c\u1eafp m\u1eadt kh\u1ea9u, th\u1ebb ng\u00e2n h\u00e0ng.<\/li>\n<li>T\u1ea1o ni\u1ec1m tin: bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a tr\u00ean thanh \u0111\u1ecba ch\u1ec9 gi\u00fap ng\u01b0\u1eddi d\u00f9ng y\u00ean t\u00e2m h\u01a1n khi truy c\u1eadp.<\/li>\n<li>C\u1ea3nh b\u00e1o tr\u00ecnh duy\u1ec7t: c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng g\u1eafn nh\u00e3n &#8220;Kh\u00f4ng an to\u00e0n&#8221; cho website ch\u1ec9 d\u00f9ng HTTP.<\/li>\n<li>L\u1ee3i th\u1ebf SEO: Google xem HTTPS l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 x\u1ebfp h\u1ea1ng, gi\u00fap website c\u00f3 c\u01a1 h\u1ed9i hi\u1ec3n th\u1ecb t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<p>V\u1edbi c\u00e1c thao t\u00e1c nh\u1ea1y c\u1ea3m nh\u01b0 \u0111\u0103ng nh\u1eadp, mua s\u1eafm hay chuy\u1ec3n kho\u1ea3n, b\u1ea1n n\u00ean ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 c\u00f3 b\u1eaft \u0111\u1ea7u b\u1eb1ng <strong>https:\/\/<\/strong> v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a tr\u01b0\u1edbc khi nh\u1eadp th\u00f4ng tin.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-570466 aligncenter\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-4.jpg\" alt=\"http-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/http-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Xem th\u00eam: <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/nha-mang\/\">TOP 5 nh\u00e0 m\u1ea1ng Internet c\u00f3 t\u1ed1c \u0111\u1ed9 nhanh, \u1ed5n \u0111\u1ecbnh nh\u1ea5t hi\u1ec7n nay<\/a><\/strong><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 HTTP<\/h2>\n<h3>HTTP l\u00e0 g\u00ec?<\/h3>\n<p>HTTP l\u00e0 giao th\u1ee9c truy\u1ec1n t\u1ea3i si\u00eau v\u0103n b\u1ea3n (HyperText Transfer Protocol), d\u00f9ng \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web tr\u00ean Internet.<\/p>\n<h3>HTTP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>HTTP ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh y\u00eau c\u1ea7u \u2013 ph\u1ea3n h\u1ed3i: tr\u00ecnh duy\u1ec7t g\u1eedi request, m\u00e1y ch\u1ee7 x\u1eed l\u00fd v\u00e0 tr\u1ea3 v\u1ec1 response ch\u1ee9a n\u1ed9i dung trang web.<\/p>\n<h3>HTTP v\u00e0 HTTPS kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h3>\n<p>HTTPS l\u00e0 phi\u00ean b\u1ea3n b\u1ea3o m\u1eadt c\u1ee7a HTTP, m\u00e3 h\u00f3a d\u1eef li\u1ec7u b\u1eb1ng SSL\/TLS v\u00e0 d\u00f9ng c\u1ed5ng 443, n\u00ean an to\u00e0n h\u01a1n HTTP (c\u1ed5ng 80, kh\u00f4ng m\u00e3 h\u00f3a).<\/p>\n<h3>M\u00e3 l\u1ed7i 404 ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n<p>M\u00e3 404 Not Found ngh\u0129a l\u00e0 m\u00e1y ch\u1ee7 kh\u00f4ng t\u00ecm th\u1ea5y trang ho\u1eb7c t\u00e0i nguy\u00ean m\u00e0 b\u1ea1n y\u00eau c\u1ea7u, th\u01b0\u1eddng do \u0111\u01b0\u1eddng d\u1eabn sai ho\u1eb7c trang \u0111\u00e3 b\u1ecb x\u00f3a.<\/p>\n<h3>Ph\u01b0\u01a1ng th\u1ee9c GET v\u00e0 POST kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h3>\n<p>GET d\u00f9ng \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7, c\u00f2n POST d\u00f9ng \u0111\u1ec3 g\u1eedi d\u1eef li\u1ec7u m\u1edbi l\u00ean m\u00e1y ch\u1ee7, ch\u1eb3ng h\u1ea1n khi b\u1ea1n \u0111i\u1ec1n v\u00e0 g\u1eedi m\u1ed9t bi\u1ec3u m\u1eabu.<\/p>\n<h3>HTTP c\u00f3 an to\u00e0n kh\u00f4ng?<\/h3>\n<p>HTTP kh\u00f4ng m\u00e3 h\u00f3a d\u1eef li\u1ec7u n\u00ean d\u1ec5 b\u1ecb nghe l\u00e9n; v\u1edbi c\u00e1c trang c\u1ea7n b\u1ea3o m\u1eadt, b\u1ea1n n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng website ch\u1ea1y HTTPS.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>HTTP l\u00e0 giao th\u1ee9c n\u1ec1n t\u1ea3ng c\u1ee7a World Wide Web, ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh y\u00eau c\u1ea7u \u2013 ph\u1ea3n h\u1ed3i \u0111\u1ec3 tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 trao \u0111\u1ed5i d\u1eef li\u1ec7u. Hi\u1ec3u v\u1ec1 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c, m\u00e3 tr\u1ea1ng th\u00e1i v\u00e0 nh\u1ea5t l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa HTTP v\u1edbi HTTPS s\u1ebd gi\u00fap b\u1ea1n duy\u1ec7t web an to\u00e0n v\u00e0 ch\u1ee7 \u0111\u1ed9ng h\u01a1n. \u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam c\u00e1c ki\u1ebfn th\u1ee9c c\u00f4ng ngh\u1ec7 h\u1eefu \u00edch, m\u1eddi b\u1ea1n tham kh\u1ea3o b\u00e0i <strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/api-key-chatgpt\/\">c\u00e1ch l\u1ea5y API Key ChatGPT<\/a><\/strong>, <strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/ham-if-trong-excel\/\">h\u00e0m IF trong Excel<\/a><\/strong> v\u00e0 <strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cach-check-cau-hinh-may-tinh\/\">c\u00e1ch check c\u1ea5u h\u00ecnh m\u00e1y t\u00ednh<\/a><\/strong> tr\u00ean chuy\u00ean m\u1ee5c tin t\u1ee9c c\u1ee7a <strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/\">Ho\u00e0ng H\u00e0 Mobile<\/a><\/strong>.<\/p>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HTTP l\u00e0 g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"HTTP l\u00e0 giao th\u1ee9c truy\u1ec1n t\u1ea3i si\u00eau v\u0103n b\u1ea3n (HyperText Transfer Protocol), d\u00f9ng \u0111\u1ec3 trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 web tr\u00ean Internet.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HTTP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"HTTP ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh y\u00eau c\u1ea7u \u2013 ph\u1ea3n h\u1ed3i: tr\u00ecnh duy\u1ec7t g\u1eedi request, m\u00e1y ch\u1ee7 x\u1eed l\u00fd v\u00e0 tr\u1ea3 v\u1ec1 response ch\u1ee9a n\u1ed9i dung trang web.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HTTP v\u00e0 HTTPS kh\u00e1c nhau th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"HTTPS l\u00e0 phi\u00ean b\u1ea3n b\u1ea3o m\u1eadt c\u1ee7a HTTP, m\u00e3 h\u00f3a d\u1eef li\u1ec7u b\u1eb1ng SSL\/TLS v\u00e0 d\u00f9ng c\u1ed5ng 443, n\u00ean an to\u00e0n h\u01a1n HTTP d\u00f9ng c\u1ed5ng 80 v\u00e0 kh\u00f4ng m\u00e3 h\u00f3a.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"M\u00e3 l\u1ed7i 404 ngh\u0129a l\u00e0 g\u00ec?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"M\u00e3 404 Not Found ngh\u0129a l\u00e0 m\u00e1y ch\u1ee7 kh\u00f4ng t\u00ecm th\u1ea5y trang ho\u1eb7c t\u00e0i nguy\u00ean m\u00e0 b\u1ea1n y\u00eau c\u1ea7u, th\u01b0\u1eddng do \u0111\u01b0\u1eddng d\u1eabn sai ho\u1eb7c trang \u0111\u00e3 b\u1ecb x\u00f3a.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Ph\u01b0\u01a1ng th\u1ee9c GET v\u00e0 POST kh\u00e1c nhau th\u1ebf n\u00e0o?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"GET d\u00f9ng \u0111\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7, c\u00f2n POST d\u00f9ng \u0111\u1ec3 g\u1eedi d\u1eef li\u1ec7u m\u1edbi l\u00ean m\u00e1y ch\u1ee7, ch\u1eb3ng h\u1ea1n khi b\u1ea1n \u0111i\u1ec1n v\u00e0 g\u1eedi m\u1ed9t bi\u1ec3u m\u1eabu.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"HTTP c\u00f3 an to\u00e0n kh\u00f4ng?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"HTTP kh\u00f4ng m\u00e3 h\u00f3a d\u1eef li\u1ec7u n\u00ean d\u1ec5 b\u1ecb nghe l\u00e9n; v\u1edbi c\u00e1c trang c\u1ea7n b\u1ea3o m\u1eadt, b\u1ea1n n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng website ch\u1ea1y HTTPS.\"\n      }\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed7i khi b\u1ea1n m\u1edf m\u1ed9t trang web, ph\u00eda sau thao t\u00e1c t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n \u0111\u00f3 l\u00e0 c\u1ea3 m\u1ed9t qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7, v\u00e0 HTTP ch\u00ednh l\u00e0 &#8220;ng\u00f4n ng\u1eef chung&#8221; \u0111i\u1ec1u ph\u1ed1i to\u00e0n b\u1ed9 cu\u1ed9c tr\u00f2 chuy\u1ec7n n\u00e0y. HTTP l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a World Wide Web, quy\u1ebft [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":570462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"http l\u00e0 g\u00ec","_yoast_wpseo_title":"HTTP l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 HTTPS","_yoast_wpseo_metadesc":"HTTP l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u giao th\u1ee9c HTTP, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c ph\u01b0\u01a1ng th\u1ee9c, m\u00e3 tr\u1ea1ng th\u00e1i v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa HTTP v\u00e0 HTTPS \u0111\u1ec3 duy\u1ec7t web an to\u00e0n h\u01a1n.","footnotes":""},"categories":[29235,3910,16],"tags":[],"class_list":["post-570247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha","category-thu-thuat"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>HTTP l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 HTTPS<\/title>\n<meta name=\"description\" content=\"HTTP l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u giao th\u1ee9c HTTP, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c ph\u01b0\u01a1ng th\u1ee9c, m\u00e3 tr\u1ea1ng th\u00e1i v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa HTTP v\u00e0 HTTPS \u0111\u1ec3 duy\u1ec7t web an to\u00e0n h\u01a1n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/http-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HTTP l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u00e2n bi\u1ec7t v\u1edbi HTTPS\" \/>\n<meta property=\"og:description\" content=\"HTTP l\u00e0 g\u00ec? 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