{"id":277285,"date":"2023-10-27T00:10:49","date_gmt":"2023-10-26T17:10:49","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=277285"},"modified":"2023-10-27T00:10:49","modified_gmt":"2023-10-26T17:10:49","slug":"ssid-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ssid-la-gi\/","title":{"rendered":"SSID l\u00e0 g\u00ec? C\u00f4ng d\u1ee5ng c\u1ee7a SSID v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng SSID hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

Ch\u1eafc h\u1eb3n nhi\u1ec1u ng\u01b0\u1eddi \u0111\u00e3 t\u1eebng truy c\u1eadp v\u00e0o Wi-Fi v\u00e0 th\u1ea5y m\u1ed9t t\u00ean m\u1ea1ng n\u00e0o \u0111\u00f3 m\u1ed7i khi b\u1ea1n mu\u1ed1n k\u1ebft n\u1ed1i internet. T\u00ean m\u1ea1ng \u0111\u00f3 ch\u00ednh l\u00e0 SSID. V\u1eady SSID l\u00e0 g\u00ec<\/strong>? T\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng trong m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ee7a ch\u00fang ta? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 SSID, kh\u00e1m ph\u00e1 c\u00f4ng d\u1ee5ng c\u1ee7a n\u00f3 v\u00e0 h\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

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

SSID, vi\u1ebft t\u1eaft c\u1ee7a Service Set Identifier l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt nh\u01b0ng kh\u00f4ng h\u1ec1 xa l\u1ea1 v\u1edbi cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta. M\u1ed7i m\u1ea1ng kh\u00f4ng d\u00e2y \u0111\u1ec1u c\u00f3 m\u1ed9t SSID duy nh\u1ea5t gi\u00fap ng\u01b0\u1eddi d\u00f9ng ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c m\u1ea1ng v\u00e0 ch\u1ecdn m\u1ea1ng m\u00ecnh mu\u1ed1n k\u1ebft n\u1ed1i. \u0110\u01a1n gi\u1ea3n h\u01a1n, SSID gi\u1ed1ng nh\u01b0 m\u1ed9t t\u00ean bi\u1ec3n s\u1ed1 nh\u00e0, gi\u00fap b\u1ea1n nh\u1eadn bi\u1ebft v\u00e0 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng kh\u00f4ng d\u00e2y m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/p>\n

\"ssid-la-gi\"<\/picture><\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng kh\u00f4ng d\u00e2y, vi\u1ec7c c\u00f3 m\u1ed9t SSID d\u1ec5 nh\u1edb l\u00e0 r\u1ea5t quan tr\u1ecdng. SSID kh\u00f4ng ch\u1ec9 gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft v\u00e0 truy c\u1eadp m\u1ea1ng, m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 trong vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng. M\u1ed9t SSID t\u1ed1t s\u1ebd gi\u00fap m\u1ea1ng kh\u00f4ng d\u00e2y tr\u1edf n\u00ean \u1ed5n \u0111\u1ecbnh h\u01a1n, gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m truy c\u1eadp internet t\u1ed1t nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

L\u1ecbch s\u1eed c\u1ee7a SSID<\/h3>\n

SSID b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 90 c\u1ee7a th\u1ebf k\u1ef7 tr\u01b0\u1edbc, khi chu\u1ea9n Wi-Fi \u0111\u1ea7u ti\u00ean – IEEE 802.11 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u01b0a ra. SSID \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a chu\u1ea9n n\u00e0y, nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng nh\u1eadn di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng kh\u00f4ng d\u00e2y. T\u1eeb \u0111\u00f3 \u0111\u1ebfn nay, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n v\u01b0\u1ee3t b\u1eadc c\u1ee7a c\u00f4ng ngh\u1ec7, SSID \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta.<\/p>\n

\"ssid-la-gi-1\"<\/picture><\/p>\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng trong m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ee7a SSID l\u00e0 g\u00ec?<\/h3>\n

Khi b\u1ea1n m\u1edf Wi-Fi tr\u00ean \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh, danh s\u00e1ch c\u00e1c m\u1ea1ng kh\u00f4ng d\u00e2y xung quanh s\u1ebd hi\u1ec3n th\u1ecb, v\u00e0 m\u1ed7i m\u1ea1ng \u0111\u1ec1u c\u00f3 m\u1ed9t t\u00ean ri\u00eang – \u0111\u00f3 ch\u00ednh l\u00e0 SSID. M\u1ed7i router ho\u1eb7c \u0111i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y s\u1ebd ph\u00e1t t\u00edn hi\u1ec7u ra xung quanh k\u00e8m theo SSID c\u1ee7a n\u00f3. Khi b\u1ea1n ch\u1ecdn m\u1ed9t m\u1ea1ng \u0111\u1ec3 k\u1ebft n\u1ed1i, thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd g\u1eedi y\u00eau c\u1ea7u k\u1ebft n\u1ed1i \u0111\u1ebfn router th\u00f4ng qua SSID \u0111\u00f3.<\/p>\n

SSID c\u0169ng gi\u00fap trong vi\u1ec7c b\u1ea3o m\u1eadt m\u1ea1ng. B\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp router \u0111\u1ec3 kh\u00f4ng hi\u1ec3n th\u1ecb SSID gi\u00fap m\u1ea1ng c\u1ee7a b\u1ea1n tr\u1edf n\u00ean “\u1ea9n” v\u00e0 kh\u00f3 b\u1ecb ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng mong mu\u1ed1n ph\u00e1t hi\u1ec7n.<\/p>\n

\"ssid-la-gi-2\"<\/picture><\/p>\n

Qua \u0111\u00f3, ta c\u00f3 th\u1ec3 th\u1ea5y SSID l\u00e0 g\u00ec<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c k\u1ebft n\u1ed1i v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng kh\u00f4ng d\u00e2y, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng truy c\u1eadp Internet m\u1ed7i ng\u00e0y.<\/p>\n

C\u00f4ng d\u1ee5ng c\u1ee7a SSID<\/h2>\n

SSID hay c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 “t\u00ean” c\u1ee7a m\u1ea1ng Wi-Fi, d\u00f9 \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong m\u1ea1ng kh\u00f4ng d\u00e2y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00f4ng d\u1ee5ng ch\u00ednh c\u1ee7a SSID:<\/p>\n

D\u00f9ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c m\u1ea1ng kh\u00f4ng d\u00e2y<\/strong><\/p>\n

M\u1ed7i khi b\u1ea1n t\u00ecm ki\u1ebfm m\u1ea1ng Wi-Fi \u0111\u1ec3 k\u1ebft n\u1ed1i, s\u1ebd c\u00f3 h\u00e0ng lo\u1ea1t c\u00e1c t\u00ean m\u1ea1ng hi\u1ec7n ra tr\u00ean danh s\u00e1ch. SSID gi\u00fap b\u1ea1n nh\u1eadn bi\u1ebft v\u00e0 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c m\u1ea1ng \u0111\u00f3. Ch\u1eb3ng h\u1ea1n, t\u1ea1i m\u1ed9t khu chung c\u01b0, c\u00f3 th\u1ec3 c\u00f3 h\u00e0ng ch\u1ee5c m\u1ea1ng Wi-Fi kh\u00e1c nhau, v\u00e0 SSID gi\u00fap m\u1ed7i m\u1ea1ng tr\u1edf n\u00ean \u0111\u1ed9c nh\u1ea5t gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng nh\u1ea7m l\u1eabn v\u1edbi m\u1ea1ng c\u1ee7a h\u00e0ng x\u00f3m.<\/p>\n

\"ssid-la-gi-cong-dung\"<\/picture><\/p>\n

Cung c\u1ea5p b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n cho m\u1ea1ng kh\u00f4ng d\u00e2y<\/strong><\/p>\n

B\u1ea3o m\u1eadt l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong m\u1ea1ng kh\u00f4ng d\u00e2y. M\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 \u1ea9n SSID. Khi SSID \u0111\u01b0\u1ee3c \u1ea9n, m\u1ea1ng c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch m\u1ea1ng. T\u1eeb \u0111\u00f3 gi\u00fap gi\u1ea3m thi\u1ec3u nguy c\u01a1 ng\u01b0\u1eddi d\u00f9ng ngo\u00e0i \u00fd mu\u1ed1n ho\u1eb7c k\u1ebb x\u1ea5u t\u00ecm th\u1ea5y v\u00e0 truy c\u1eadp v\u00e0o m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n

\u0110i\u1ec1u ch\u1ec9nh quy\u1ec1n truy c\u1eadp m\u1ea1ng<\/strong><\/p>\n

SSID l\u00e0 g\u00ec <\/strong>c\u0169ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd quy\u1ec1n truy c\u1eadp v\u00e0o m\u1ea1ng. M\u1ed9t s\u1ed1 router cho ph\u00e9p b\u1ea1n t\u1ea1o nhi\u1ec1u SSID, m\u1ed7i SSID d\u00e0nh cho m\u1ed9t m\u1ee5c \u0111\u00edch ho\u1eb7c nh\u00f3m ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t SSID ri\u00eang cho kh\u00e1ch h\u00e0ng t\u1ea1i m\u1ed9t qu\u00e1n c\u00e0 ph\u00ea v\u00e0 m\u1ed9t SSID kh\u00e1c d\u00e0nh ri\u00eang cho nh\u00e2n vi\u00ean. M\u1ed7i SSID c\u00f3 th\u1ec3 c\u00f3 c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n truy c\u1eadp kh\u00e1c nhau.<\/p>\n

\"ssid-la-gi-cong-dung-1\"<\/picture><\/p>\n

C\u00e1ch s\u1eed d\u1ee5ng SSID hi\u1ec7u qu\u1ea3 l\u00e0 g\u00ec?<\/h2>\n

\u0110\u1ec3 s\u1eed d\u1ee5ng SSID m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, vi\u1ec7c \u0111\u1eb7t t\u00ean SSID sao cho ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ee7a b\u1ea1n l\u00e0 r\u1ea5t quan tr\u1ecdng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd gi\u00fap b\u1ea1n t\u1ea1o ra m\u1ed9t SSID h\u1ea5p d\u1eabn v\u00e0 an to\u00e0n:<\/p>\n

C\u00e1ch \u0111\u1eb7t t\u00ean SSID<\/h3>\n

T\u00ednh nh\u1edb nh\u1ea5t, d\u1ec5 nh\u1eadn di\u1ec7n<\/strong>: \u0110\u1eb7t t\u00ean SSID sao cho d\u1ec5 nh\u1edb gi\u00fap b\u1ea1n v\u00e0 ng\u01b0\u1eddi th\u00e2n trong gia \u0111\u00ecnh d\u1ec5 d\u00e0ng nh\u1eadn di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i. M\u1ed9t t\u00ean SSID d\u1ec5 nh\u1edb s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh nh\u1ea7m l\u1eabn v\u1edbi c\u00e1c m\u1ea1ng kh\u00e1c trong khu v\u1ef1c.<\/p>\n

Tr\u00e1nh s\u1eed d\u1ee5ng th\u00f4ng tin c\u00e1 nh\u00e2n<\/strong>: M\u1ed9t l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi \u0111\u1eb7t t\u00ean SSID l\u00e0 s\u1eed d\u1ee5ng th\u00f4ng tin c\u00e1 nh\u00e2n nh\u01b0 t\u00ean, \u0111\u1ecba ch\u1ec9 nh\u00e0, hay s\u1ed1 \u0111i\u1ec7n tho\u1ea1i. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u1ea3m b\u1ea3o m\u1eadt cho m\u1ea1ng c\u1ee7a b\u1ea1n m\u00e0 c\u00f2n ti\u1ebft l\u1ed9 th\u00f4ng tin c\u00e1 nh\u00e2n cho ng\u01b0\u1eddi l\u1ea1.<\/p>\n

\"ssid-la-gi-dat-ten\"<\/picture><\/p>\n

V\u00ed d\u1ee5 v\u1ec1 m\u1ed9t s\u1ed1 t\u00ean SSID s\u00e1ng t\u1ea1o v\u00e0 h\u1ea5p d\u1eabn<\/strong>:<\/p>\n