{"id":3351,"date":"2024-10-22T10:15:29","date_gmt":"2024-10-22T03:15:29","guid":{"rendered":"https:\/\/dncloud.net\/blog\/?p=3351"},"modified":"2024-11-27T17:57:49","modified_gmt":"2024-11-27T10:57:49","slug":"ssl-la-gi","status":"publish","type":"post","link":"https:\/\/dncloud.net\/blog\/ssl-la-gi\/","title":{"rendered":"SSL L\u00c0 G\u00cc? T\u1ea1i sao SSL r\u1ea5t quan tr\u1ecdng cho website m\u1edbi nh\u1ea5t 2024"},"content":{"rendered":"

Trong th\u1eddi \u0111\u1ea1i s\u1ed1 hi\u1ec7n nay, m\u00f4i tr\u01b0\u1eddng tr\u1ef1c tuy\u1ebfn ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p v\u00e0 ti\u1ec1m \u1ea9n nhi\u1ec1u nguy c\u01a1 v\u1ec1 b\u1ea3o m\u1eadt. Vi\u1ec7c b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u00e0 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u1edf th\u00e0nh nhi\u1ec7m kh\u00e1 quan tr\u1ecdng cho c\u00e1c doanh nghi\u1ec7p. V\u00ec v\u1eady SSL ra \u0111\u1eddi nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt hi\u1ec7u qu\u1ea3 cho website v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n an ninh m\u1ea1ng. V\u1eady SSL l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 r\u1ea5t quan tr\u1ecdng cho website hi\u1ec7n nay, h\u00e3y c\u00f9ng DNCLOUD t\u00ecm hi\u1ec3u v\u1ec1 n\u00f3 trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n

SSL l\u00e0 g\u00ec?<\/h2>\n

SSL \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft t\u1eeb Secure Sockets Layer\u00a0<\/strong>l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 b\u1ea3o m\u1eadt ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t k\u1ebft n\u1ed1i an to\u00e0n gi\u1eefa m\u00e1y ch\u1ee7<\/strong><\/a> (sever) v\u00e0 tr\u00ecnh duy\u1ec7t. SSL \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ecd d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i qua l\u1ea1i gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 website<\/a> \u0111\u1ec1u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt, gi\u00fap ng\u0103n ch\u1eb7n c\u00e1c h\u00e0nh vi \u0111\u00e1nh c\u1eafp th\u00f4ng tin d\u1eef li\u1ec7u v\u00e0 nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng.<\/p>\n

\"SSL

SSL l\u00e0 g\u00ec<\/p><\/div>\n

SSL \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi c\u00e1c website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed n\u01a1i m\u00e0 h\u00e0ng tr\u0103m h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 thanh to\u00e1n c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n

SSL \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Netscape<\/strong> v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1990<\/strong> v\u00e0 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u l\u1ea7n \u0111\u1ea7u v\u00e0o n\u0103m 1995<\/strong>. Netscape ph\u00e1t tri\u1ec3n SSL v\u1edbi m\u1ee5c \u0111\u00edch t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt cho vi\u1ec7c truy\u1ec1n th\u00f4ng qua m\u1ea1ng Internet, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng giao d\u1ecbch thanh to\u00e1n tr\u1ef1c tuy\u1ebfn. Cho \u0111\u1ebfn ng\u00e0y nay, SSL \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn l\u00e0 TLS (Transport Layer Security) <\/strong>\u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt ch\u00ednh th\u1ed1ng thay th\u1ebf cho phi\u00ean b\u1ea3n SSL c\u0169.<\/p>\n

M\u1eb7c d\u00f9 hi\u1ec7n t\u1ea1i thu\u1eadt ng\u1eef SSL \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0ng h\u1ea7u h\u1ebft c\u00e1c trang website \u0111\u1ec1u s\u1eed d\u1ee5ng TLS v\u1edbi l\u00ed do l\u00e0 t\u00ednh n\u0103ng b\u1ea3i m\u1eadt cao. Vi\u1ec7c s\u1eed d\u1ee5ng SSL\/TLS \u0111\u00e3 tr\u1edf th\u00e0nh y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c cho c\u00e1c website \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tr\u00e1nh l\u1ed9 th\u00f4ng tin v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng.<\/p>\n

Tham kh\u1ea3o ngay SSL gi\u00e1 r\u1ebb t\u1ea1i DNCLOUD.<\/strong><\/em><\/a><\/p>\n

T\u1ea1i sao n\u00f3i SSL r\u1ea5t quan tr\u1ecdng cho website?<\/h2>\n

SSL<\/a> \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng cho website v\u00e0 t\u1ea1i v\u00ec sao l\u1ea1i n\u00f3i nh\u01b0 v\u1eady? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 6 l\u00ed do v\u00ec sao SSL quan tr\u1ecdng cho website m\u1eddi b\u1ea1n tham kh\u1ea3o:<\/p>\n

1. B\u1ea3o m\u1eadt th\u00f4ng tin kh\u00e1ch h\u00e0ng<\/h2>\n
\"SSL

SSL gi\u00fap b\u1ea3o m\u1eadt th\u00f4ng tin kh\u00e1ch h\u00e0ng<\/p><\/div>\n

SSL gi\u00fap b\u1ea3o v\u1ec7 th\u00f4ng tin c\u1ee7a kh\u00e1ch h\u00e0ng khi b\u1ea1n g\u1eedi qua internet. SSL m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i gi\u1eefa tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7, b\u1ea3o v\u1ec7 th\u00f4ng tin c\u1ee7a kh\u00e1ch h\u00e0ng quan tr\u1ecdng nh\u01b0 t\u00e0i kho\u1ea3n m\u1eadt kh\u1ea9u, th\u1ebb t\u00edn d\u1ee5ng v\u00e0 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n kh\u1ecf c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng ho\u1eb7c b\u1ecb \u0111\u00e1nh c\u1eafp d\u1eef li\u1ec7u.<\/p>\n

N\u1ebfu c\u00e1c th\u00f4ng tin n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng ch\u1ee9ng ch\u1ec9 SSL th\u00ec b\u1ea5t k\u00ec m\u00e1y t\u00ednh n\u00e0o \u1edf gi\u1eefa \u0111\u01b0\u1eddng truy\u1ec1n \u0111\u1ec1u c\u00f3 th\u1ec3 xem \u0111\u01b0\u1ee3c. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c th\u00f4ng tin c\u1ee7a b\u1ea1n nh\u01b0 m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n, th\u1ebb t\u00edn d\u1ee5ng hay c\u00e1c d\u1eef li\u1ec7u c\u00e1 nh\u00e2n quan tr\u1ecdng kh\u00e1c \u0111\u1ec1u c\u00f3 th\u1ec3 b\u1ecb l\u1ed9 ra ngo\u00e0i.<\/p>\n

2. T\u0103ng uy t\u00edn website v\u00e0 ni\u1ec1m tin c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/h2>\n
\"SSL

SSL gi\u00fap t\u0103ng uy t\u00edn webiste v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/p><\/div>\n

Khi m\u1ed9t trang web s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 SSL, bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a v\u00e0 ti\u1ec1n t\u1ed1 “https:\/\/” xu\u1ea5t hi\u1ec7n tr\u00ean tr\u00ecnh duy\u1ec7t ho\u1eb7c thanh c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. Gi\u00fap ng\u01b0\u1eddi d\u00f9ng nh\u1eadn bi\u1ebft v\u00e0 tin t\u01b0\u1edfng r\u1eb1ng h\u1ecd \u0111ang truy c\u1eadp m\u1ed9t website<\/a> uy t\u00edn v\u00e0 \u0111\u1ea3m b\u1ea3o. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t r\u1ea5t quan tr\u1ecdng cho c\u00e1c website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, n\u01a1i m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u1ea7n cung c\u1ea5p th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 th\u00f4ng tin thanh to\u00e1n.<\/p>\n

3. Cung c\u1ea5p t\u00edn x\u00e1c th\u1ef1c<\/h2>\n
\"SSL

SSL cung c\u1ea5p t\u00ednh x\u00e1c th\u1ef1c<\/p><\/div>\n

Cung c\u1ea5p t\u00edn x\u00e1c th\u1ef1c l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng quan tr\u1ecdng nh\u1ea5t c\u1ee7a ch\u1ee9ng ch\u1ec9 SLL gi\u00fap b\u1ea3o v\u1ec7 v\u00e0 x\u00e1c minh t\u00ednh \u0111\u00e1ng tin c\u1eady cho m\u1ed9t trang web. Khi m\u1ed9t website s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 SSL, ch\u1ee9ng ch\u1ec9 n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ”ch\u1ee9ng nh\u1eadn danh t\u00ednh”\u00a0<\/strong>\u0111\u1ec3 x\u00e1c th\u1ef1c r\u1eb1ng trang web \u0111\u00f3 ch\u00ednh l\u00e0 ch\u00ednh th\u1ed1ng v\u00e0 \u0111\u00e1ng tin c\u1eady. Qu\u00e1 tr\u00ecnh x\u00e1c nh\u1eadn n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh ch\u1ee9ng ch\u1ec9 (CA – Certificate Authority)<\/strong>, \u0111\u01a1n v\u1ecb c\u1ea5p ch\u1ee9ng ch\u1ec9 SSL.<\/p>\n

Khi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o website c\u00f3 SSL, tr\u00ecnh duy\u1ec7t s\u1ebd ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 SSL \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng:<\/p>\n