{"id":479676,"date":"2023-08-09T10:43:25","date_gmt":"2023-08-09T10:43:25","guid":{"rendered":""},"modified":"2023-09-05T11:19:19","modified_gmt":"2023-09-05T11:19:19","slug":"wildcard-certificate","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/wildcard-certificate\/","title":{"rendered":"Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n"},"content":{"rendered":"

Ch\u1ee9ng ch\u1ec9 Wildcard l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ee9ng ch\u1ec9 SSL\/TLS cho ph\u00e9p k\u1ebft n\u1ed1i an to\u00e0n nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5 trong m\u1ed9t t\u00ean mi\u1ec1n ch\u00ednh. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb d\u00e0nh cho c\u00e1c doanh nghi\u1ec7p v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn v\u00ec n\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd ch\u1ee9ng ch\u1ec9 cho c\u00e1c trang web c\u00f3 nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5. Trong b\u1ed1i c\u1ea3nh c\u1ee7a nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy OneProxy (oneproxy.pro), ch\u1ee9ng ch\u1ec9 Wildcard cho ph\u00e9p li\u00ean l\u1ea1c an to\u00e0n gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 proxy, \u0111\u1ea3m b\u1ea3o t\u00ednh ri\u00eang t\u01b0 v\u00e0 to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean nh\u1eafc \u0111\u1ebfn n\u00f3<\/h2>\n

Kh\u00e1i ni\u1ec7m ch\u1ee9ng ch\u1ec9 Wildcard xu\u1ea5t hi\u1ec7n nh\u1eb1m gi\u1ea3i quy\u1ebft nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 vi\u1ec7c \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd ch\u1ee9ng ch\u1ec9 SSL\/TLS trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng trang web ph\u1ee9c t\u1ea1p. Nh\u1eefng \u0111\u1ec1 c\u1eadp s\u1edbm nh\u1ea5t v\u1ec1 ch\u1ee9ng ch\u1ec9 Wildcard c\u00f3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 2000 khi Internet ch\u1ee9ng ki\u1ebfn s\u1ef1 gia t\u0103ng s\u1ed1 l\u01b0\u1ee3ng trang web c\u00f3 nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5. C\u00e1c ch\u1ee9ng ch\u1ec9 n\u00e0y tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn nh\u1edd kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt nhi\u1ec1u lo\u1ea1i t\u00ean mi\u1ec1n ph\u1ee5 b\u1eb1ng m\u1ed9t ch\u1ee9ng ch\u1ec9 duy nh\u1ea5t.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 ch\u1ee9ng ch\u1ec9 Wildcard. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 Ch\u1ee9ng ch\u1ec9 Wildcard.<\/h2>\n

Ch\u1ee9ng ch\u1ec9 Wildcard \u0111\u01b0\u1ee3c c\u1ea5p cho m\u1ed9t t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3 c\u00f3 d\u1ea5u hoa th\u1ecb () l\u00e0 ph\u1ea7n ngo\u00e0i c\u00f9ng b\u00ean tr\u00e1i c\u1ee7a t\u00ean mi\u1ec1n, th\u01b0\u1eddng c\u00f3 d\u1ea1ng \u201c<\/em>.example.com\u201d. K\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n n\u00e0y \u0111\u00f3ng vai tr\u00f2 gi\u1eef ch\u1ed7 cho b\u1ea5t k\u1ef3 t\u00ean mi\u1ec1n ph\u1ee5 n\u00e0o trong t\u00ean mi\u1ec1n ch\u00ednh. V\u00ed d\u1ee5: n\u1ebfu OneProxy s\u1edf h\u1eefu mi\u1ec1n \u201coneproxy.pro\u201d, ch\u1ee9ng ch\u1ec9 Wildcard cho \u201c*.oneproxy.pro\u201d s\u1ebd bao g\u1ed3m \u201cwww.oneproxy.pro<\/a>,\u201d \u201cmail.oneproxy.pro,\u201d \u201cblog.oneproxy.pro\u201d v\u00e0 b\u1ea5t k\u1ef3 t\u00ean mi\u1ec1n ph\u1ee5 n\u00e0o kh\u00e1c.<\/p>\n

Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c C\u01a1 quan c\u1ea5p ch\u1ee9ng ch\u1ec9 (CA) c\u1ea5p sau qu\u00e1 tr\u00ecnh x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n. Ch\u1ee9ng ch\u1ec9 ch\u1ee9a th\u00f4ng tin quan tr\u1ecdng, bao g\u1ed3m t\u00ean mi\u1ec1n, kh\u00f3a chung v\u00e0 ng\u00e0y h\u1ebft h\u1ea1n, c\u00f9ng nhi\u1ec1u th\u00f4ng tin kh\u00e1c v\u00e0 \u0111\u01b0\u1ee3c CA k\u00fd \u0111i\u1ec7n t\u1eed \u0111\u1ec3 thi\u1ebft l\u1eadp s\u1ef1 tin c\u1eady.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard. Ch\u1ee9ng ch\u1ec9 Wildcard ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n

Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n X.509, ti\u00eau chu\u1ea9n x\u00e1c \u0111\u1ecbnh \u0111\u1ecbnh d\u1ea1ng c\u1ee7a ch\u1ee9ng ch\u1ec9 kh\u00f3a chung. C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n sau:<\/p>\n

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  1. \n

    Ch\u1ee7 \u0111\u1ec1: T\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c c\u1ea5p ch\u1ee9ng ch\u1ec9 Wildcard, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201c*.oneproxy.pro.\u201d<\/p>\n<\/li>\n

  2. \n

    Kh\u00f3a c\u00f4ng khai: Kh\u00f3a m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt li\u00ean l\u1ea1c gi\u1eefa m\u00e1y ch\u1ee7 v\u00e0 m\u00e1y kh\u00e1ch.<\/p>\n<\/li>\n

  3. \n

    T\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh: Th\u1ef1c th\u1ec3 \u0111\u00e3 c\u1ea5p ch\u1ee9ng ch\u1ec9, th\u01b0\u1eddng l\u00e0 C\u01a1 quan c\u1ea5p ch\u1ee9ng ch\u1ec9.<\/p>\n<\/li>\n

  4. \n

    Th\u1eddi h\u1ea1n hi\u1ec7u l\u1ef1c: Kho\u1ea3ng th\u1eddi gian m\u00e0 ch\u1ee9ng ch\u1ec9 \u0111\u01b0\u1ee3c coi l\u00e0 h\u1ee3p l\u1ec7.<\/p>\n<\/li>\n

  5. \n

    Ch\u1eef k\u00fd s\u1ed1: Ch\u1eef k\u00fd m\u1eadt m\u00e3 do CA t\u1ea1o \u0111\u1ec3 x\u00e1c th\u1ef1c t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a ch\u1ee9ng ch\u1ec9.<\/p>\n<\/li>\n<\/ol>\n

    Khi ng\u01b0\u1eddi d\u00f9ng c\u1ed1 g\u1eafng truy c\u1eadp t\u00ean mi\u1ec1n ph\u1ee5 c\u00f3 ch\u1ee9ng ch\u1ec9 Wildcard, m\u00e1y ch\u1ee7 s\u1ebd xu\u1ea5t tr\u00ecnh ch\u1ee9ng ch\u1ec9 trong qu\u00e1 tr\u00ecnh b\u1eaft tay SSL\/TLS. Tr\u00ecnh duy\u1ec7t web c\u1ee7a kh\u00e1ch h\u00e0ng s\u1ebd x\u00e1c minh t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a ch\u1ee9ng ch\u1ec9 v\u00e0 n\u1ebfu n\u00f3 h\u1ee3p l\u1ec7 v\u00e0 ch\u01b0a h\u1ebft h\u1ea1n th\u00ec k\u1ebft n\u1ed1i an to\u00e0n s\u1ebd \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7.<\/p>\n

    Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard<\/h2>\n

    Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n cung c\u1ea5p m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh gi\u00fap ch\u00fang tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p thi\u1ebft th\u1ef1c cho c\u00e1c doanh nghi\u1ec7p v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 c\u00f3 nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5:<\/p>\n

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    1. \n

      Ti\u1ebft ki\u1ec7m chi ph\u00ed<\/strong>: V\u00ec m\u1ed9t ch\u1ee9ng ch\u1ec9 Wildcard duy nh\u1ea5t bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n ph\u1ee5 n\u00ean n\u00f3 gi\u00fap lo\u1ea1i b\u1ecf nhu c\u1ea7u mua v\u00e0 qu\u1ea3n l\u00fd c\u00e1c ch\u1ee9ng ch\u1ec9 ri\u00eang l\u1ebb cho t\u1eebng t\u00ean mi\u1ec1n ph\u1ee5, ti\u1ebft ki\u1ec7m c\u1ea3 th\u1eddi gian v\u00e0 ti\u1ec1n b\u1ea1c.<\/p>\n<\/li>\n

    2. \n

      Qu\u1ea3n l\u00fd \u0111\u01a1n gi\u1ea3n h\u00f3a<\/strong>: Vi\u1ec7c qu\u1ea3n l\u00fd m\u1ed9t ch\u1ee9ng ch\u1ec9 Wildcard s\u1ebd thu\u1eadn ti\u1ec7n h\u01a1n so v\u1edbi vi\u1ec7c x\u1eed l\u00fd nhi\u1ec1u ch\u1ee9ng ch\u1ec9 cho nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5 kh\u00e1c nhau, \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh qu\u1ea3n tr\u1ecb ch\u1ee9ng ch\u1ec9.<\/p>\n<\/li>\n

    3. \n

      B\u1ea3o v\u1ec7<\/strong>: Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n cung c\u1ea5p m\u1ee9c \u0111\u1ed9 m\u00e3 h\u00f3a v\u00e0 b\u1ea3o m\u1eadt t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ee9ng ch\u1ec9 SSL\/TLS th\u00f4ng th\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 proxy v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi s\u1ef1 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n

    4. \n

      Uy\u1ec3n chuy\u1ec3n<\/strong>: Khi c\u00e1c mi\u1ec1n ph\u1ee5 m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o mi\u1ec1n ch\u00ednh, ch\u00fang s\u1ebd t\u1ef1 \u0111\u1ed9ng k\u1ebf th\u1eeba c\u00e1c l\u1ee3i \u00edch b\u1ea3o m\u1eadt c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard, lo\u1ea1i b\u1ecf nhu c\u1ea7u mua th\u00eam ch\u1ee9ng ch\u1ec9.<\/p>\n<\/li>\n

    5. \n

      Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/strong>: Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c tr\u00ecnh duy\u1ec7t web v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u00ednh, \u0111\u1ea3m b\u1ea3o giao ti\u1ebfp li\u1ec1n m\u1ea1ch v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c lo\u1ea1i ch\u1ee9ng ch\u1ec9 Wildcard<\/h2>\n

      C\u00f3 hai lo\u1ea1i ch\u1ee9ng ch\u1ec9 Wildcard ch\u00ednh:<\/p>\n\n\n\n\n\n\n
      Ki\u1ec3u<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
      K\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n m\u1ed9t t\u00ean mi\u1ec1n<\/td>\nLo\u1ea1i ch\u1ee9ng ch\u1ec9 Wildcard n\u00e0y ch\u1ec9 bao g\u1ed3m m\u1ed9t t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c t\u00ean mi\u1ec1n ph\u1ee5 c\u1ee7a n\u00f3. V\u00ed d\u1ee5: ch\u1ee9ng ch\u1ec9 cho \u201c*.example.com\u201d s\u1ebd b\u1ea3o m\u1eadt \u201cwww.example.com<\/a>\u201d v\u00e0 \u201cmail.example.com\u201d ch\u1ee9 kh\u00f4ng ph\u1ea3i \u201cblog.example.com\u201d.<\/td>\n<\/tr>\n
      K\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n \u0111a mi\u1ec1n (SAN)<\/td>\nCh\u1ee9ng ch\u1ec9 Wildcard \u0111a mi\u1ec1n bao g\u1ed3m nhi\u1ec1u mi\u1ec1n ch\u00ednh v\u00e0 mi\u1ec1n ph\u1ee5 c\u1ee7a ch\u00fang. Ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ee9ng ch\u1ec9 K\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n T\u00ean thay th\u1ebf ch\u1ee7 \u0111\u1ec1 (SAN).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 Wildcard, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n

      C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 Wildcard:<\/h3>\n
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      1. \n

        B\u1ea3o m\u1eadt t\u00ean mi\u1ec1n ph\u1ee5<\/strong>: M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard l\u00e0 b\u1ea3o m\u1eadt nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5 kh\u00e1c nhau trong m\u1ed9t t\u00ean mi\u1ec1n ch\u00ednh duy nh\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea3o m\u1eadt \u201cmail.oneproxy.pro\u201d v\u00e0 \u201cblog.oneproxy.pro\u201d trong t\u00ean mi\u1ec1n \u201c*.oneproxy.pro.\u201d<\/p>\n<\/li>\n

      2. \n

        C\u00e2n b\u1eb1ng t\u1ea3i v\u00e0 CDN<\/strong>: Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt li\u00ean l\u1ea1c gi\u1eefa c\u00e1c b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i, m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN) v\u00e0 m\u00e1y ch\u1ee7 g\u1ed1c, \u0111\u1ea3m b\u1ea3o lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/p>\n<\/li>\n

      3. \n

        Truy\u1ec1n th\u00f4ng h\u1ee3p nh\u1ea5t (UC)<\/strong>: Trong tri\u1ec3n khai Truy\u1ec1n th\u00f4ng H\u1ee3p nh\u1ea5t, ch\u1ee9ng ch\u1ec9 Wildcard \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt nhi\u1ec1u d\u1ecbch v\u1ee5 li\u00ean l\u1ea1c nh\u01b0 VoIP, email v\u00e0 h\u1ed9i ngh\u1ecb truy\u1ec1n h\u00ecnh.<\/p>\n<\/li>\n<\/ol>\n

        C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 Wildcard:<\/h3>\n
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        1. \n

          R\u1ee7i ro b\u1ea3o m\u1eadt<\/strong>: N\u1ebfu kh\u00f3a ri\u00eang \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi ch\u1ee9ng ch\u1ec9 Wildcard b\u1ecb x\u00e2m ph\u1ea1m, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 m\u1ea1o danh b\u1ea5t k\u1ef3 t\u00ean mi\u1ec1n ph\u1ee5 n\u00e0o trong t\u00ean mi\u1ec1n ch\u00ednh. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y, c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd kh\u00f3a th\u00edch h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng M\u00f4-\u0111un b\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng (HSM) v\u00e0 lu\u00e2n chuy\u1ec3n kh\u00f3a th\u01b0\u1eddng xuy\u00ean.<\/p>\n<\/li>\n

        2. \n

          Thu h\u1ed3i ch\u1ee9ng ch\u1ec9<\/strong>: Vi\u1ec7c thu h\u1ed3i ch\u1ee9ng ch\u1ec9 Wildcard c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n v\u00ec n\u00f3 bao g\u1ed3m nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, ch\u1ee9ng ch\u1ec9 m\u1edbi ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng kh\u00f3a ri\u00eang kh\u00e1c v\u00e0 ch\u1ee9ng ch\u1ec9 b\u1ecb x\u00e2m ph\u1ea1m s\u1ebd b\u1ecb thu h\u1ed3i v\u00e0 x\u00f3a kh\u1ecfi t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y ch\u1ee7.<\/p>\n<\/li>\n

        3. \n

          X\u00e1c th\u1ef1c ki\u1ec3m so\u00e1t t\u00ean mi\u1ec1n (DCV)<\/strong>: Qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c t\u00ean mi\u1ec1n cho ch\u1ee9ng ch\u1ec9 Wildcard y\u00eau c\u1ea7u th\u1ec3 hi\u1ec7n quy\u1ec1n ki\u1ec3m so\u00e1t t\u00ean mi\u1ec1n ch\u00ednh. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p n\u1ebfu c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng DNS c\u1ee7a mi\u1ec1n \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i ho\u1eb7c thu\u00ea ngo\u00e0i. CA c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p DCV thay th\u1ebf, nh\u01b0 x\u00e1c th\u1ef1c email ho\u1eb7c x\u00e1c minh d\u1ef1a tr\u00ean HTTP, \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<\/li>\n<\/ol>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n\n\n\n\n\n\n\n\n
          Thu\u1eadt ng\u1eef<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
          Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n<\/td>\nBao g\u1ed3m nhi\u1ec1u t\u00ean mi\u1ec1n ph\u1ee5 trong m\u1ed9t t\u00ean mi\u1ec1n ch\u00ednh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n (*).<\/td>\n<\/tr>\n
          Ch\u1ee9ng ch\u1ec9 SSL\/TLS th\u00f4ng th\u01b0\u1eddng<\/td>\nBao g\u1ed3m m\u1ed9t mi\u1ec1n c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: \u201cwww.example.com<\/a>\u201c) kh\u00f4ng c\u00f3 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n (*) v\u00e0 kh\u00f4ng b\u1ea3o m\u1eadt b\u1ea5t k\u1ef3 t\u00ean mi\u1ec1n ph\u1ee5 n\u00e0o theo m\u1eb7c \u0111\u1ecbnh.<\/td>\n<\/tr>\n
          Ch\u1ee9ng ch\u1ec9 SAN (\u0110a mi\u1ec1n)<\/td>\nB\u1ea3o m\u1eadt nhi\u1ec1u t\u00ean mi\u1ec1n v\u00e0 t\u00ean mi\u1ec1n ph\u1ee5 c\u1ee7a ch\u00fang trong m\u1ed9t ch\u1ee9ng ch\u1ec9 duy nh\u1ea5t. N\u00f3 kh\u00f4ng s\u1eed d\u1ee5ng k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n v\u00e0 y\u00eau c\u1ea7u li\u1ec7t k\u00ea r\u00f5 r\u00e0ng t\u1ea5t c\u1ea3 c\u00e1c mi\u1ec1n m\u00e0 n\u00f3 bao tr\u00f9m.<\/td>\n<\/tr>\n
          Ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n \u0111a mi\u1ec1n<\/td>\nS\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa ch\u1ee9ng ch\u1ec9 \u0110a mi\u1ec1n v\u00e0 K\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n, cho ph\u00e9p li\u00ean l\u1ea1c an to\u00e0n cho nhi\u1ec1u mi\u1ec1n ch\u00ednh v\u00e0 mi\u1ec1n ph\u1ee5 c\u1ee7a ch\u00fang b\u1eb1ng k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n. N\u00f3 mang l\u1ea1i s\u1ef1 linh ho\u1ea1t trong vi\u1ec7c bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n ph\u1ee5 thu\u1ed9c c\u00e1c t\u00ean mi\u1ec1n ch\u00ednh kh\u00e1c nhau trong m\u1ed9t ch\u1ee9ng ch\u1ec9.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Tri\u1ec3n v\u1ecdng v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn ch\u1ee9ng ch\u1ec9 Wildcard<\/h2>\n

          Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, ch\u1ee9ng ch\u1ec9 Wildcard c\u00f3 th\u1ec3 v\u1eabn ph\u00f9 h\u1ee3p do t\u00ednh hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 s\u1ef1 thu\u1eadn ti\u1ec7n trong vi\u1ec7c qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng trang web ph\u1ee9c t\u1ea1p. Nh\u1eefng quan \u0111i\u1ec3m v\u00e0 c\u1ea3i ti\u1ebfn trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n

            \n
          1. \n

            H\u1ed7 tr\u1ee3 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n m\u1edf r\u1ed9ng<\/strong>: H\u1ed7 tr\u1ee3 n\u00e2ng cao cho ch\u1ee9ng ch\u1ec9 Wildcard trong c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 n\u1ec1n t\u1ea3ng m\u1edbi h\u01a1n, khi\u1ebfn vi\u1ec7c \u00e1p d\u1ee5ng ch\u00fang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn h\u01a1n.<\/p>\n<\/li>\n

          2. \n

            T\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 t\u00edch h\u1ee3p DevOps<\/strong>: C\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn v\u00e0 t\u00edch h\u1ee3p DevOps \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh qu\u1ea3n l\u00fd v\u00e0 tri\u1ec3n khai ch\u1ee9ng ch\u1ec9 Wildcard, gi\u00fap c\u00e1c doanh nghi\u1ec7p thu\u1ed9c m\u1ecdi quy m\u00f4 d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n.<\/p>\n<\/li>\n

          3. \n

            M\u1eadt m\u00e3 an to\u00e0n l\u01b0\u1ee3ng t\u1eed<\/strong>: Khi \u0111i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed tr\u1edf n\u00ean ti\u00ean ti\u1ebfn h\u01a1n, c\u00f3 th\u1ec3 s\u1ebd c\u00f3 s\u1ef1 thay \u0111\u1ed5i h\u01b0\u1edbng t\u1edbi c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a an to\u00e0n l\u01b0\u1ee3ng t\u1eed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt l\u00e2u d\u00e0i cho ch\u1ee9ng ch\u1ec9 Wildcard.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi ch\u1ee9ng ch\u1ec9 Wildcard<\/h2>\n

            M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 hi\u1ec7u su\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp internet. B\u1eb1ng c\u00e1ch li\u00ean k\u1ebft ch\u1ee9ng ch\u1ec9 Wildcard v\u1edbi m\u00e1y ch\u1ee7 proxy c\u1ee7a h\u1ecd, c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 OneProxy (oneproxy.pro) c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp m\u00e3 h\u00f3a v\u00e0 s\u1ef1 tin c\u1eady cho ng\u01b0\u1eddi d\u00f9ng c\u1ee7a h\u1ecd.<\/p>\n

            Khi ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 proxy, m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 xu\u1ea5t tr\u00ecnh ch\u1ee9ng ch\u1ec9 Wildcard trong qu\u00e1 tr\u00ecnh b\u1eaft tay SSL\/TLS, thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e1y ch\u1ee7 proxy. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua proxy v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef b\u00ed m\u1eadt v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi b\u1ecb nghe l\u00e9n ho\u1eb7c gi\u1ea3 m\u1ea1o.<\/p>\n

            Ngo\u00e0i ra, nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ee9ng ch\u1ec9 Wildcard \u0111\u1ec3 b\u1ea3o m\u1eadt li\u00ean l\u1ea1c gi\u1eefa m\u00e1y ch\u1ee7 proxy v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ee5 tr\u1ee3, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 c\u00e2n b\u1eb1ng t\u1ea3i, CDN v\u00e0 m\u00e1y ch\u1ee7 g\u1ed1c, nh\u1eb1m t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa t\u00ednh b\u1ea3o m\u1eadt t\u1ed5ng th\u1ec3 cho d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd.<\/p>\n

            Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

            \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 ch\u1ee9ng ch\u1ec9 Wildcard, m\u00e3 h\u00f3a SSL\/TLS v\u00e0 b\u1ea3o m\u1eadt internet, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

              \n
            1. \n

              Gi\u1edbi thi\u1ec7u v\u1ec1 SSL\/TLS<\/a>: H\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u v\u1ec1 m\u00e3 h\u00f3a SSL\/TLS v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong vi\u1ec7c b\u1ea3o m\u1eadt th\u00f4ng tin li\u00ean l\u1ea1c qua internet.<\/p>\n<\/li>\n

            2. \n

              Gi\u1ea3i th\u00edch v\u1ec1 ch\u1ee9ng ch\u1ec9 k\u00fd t\u1ef1 \u0111\u1ea1i di\u1ec7n<\/a>: Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 ch\u1ee9ng ch\u1ec9 Wildcard, c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 nh\u1eefng c\u00e2n nh\u1eafc khi tri\u1ec3n khai.<\/p>\n<\/li>\n

            3. \n

              C\u01a1 quan c\u1ea5p ch\u1ee9ng ch\u1ec9 (CA)<\/a>: T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c \u0111\u01a1n v\u1ecb ch\u1ecbu tr\u00e1ch nhi\u1ec7m c\u1ea5p ch\u1ee9ng ch\u1ec9 s\u1ed1 v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n

            4. \n

              C\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 proxy an to\u00e0n<\/a>: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 b\u1ea3o m\u1eadt m\u00e1y ch\u1ee7 proxy v\u00e0 tri\u1ec3n khai m\u00e3 h\u00f3a SSL\/TLS.<\/p>\n<\/li>\n<\/ol>\n

              B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a ch\u1ee9ng ch\u1ec9 Wildcard, c\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy c\u00f3 th\u1ec3 n\u00e2ng cao t\u00ednh b\u1ea3o m\u1eadt v\u00e0 \u0111\u1ed9 tin c\u1eady cho d\u1ecbch v\u1ee5 c\u1ee7a h\u1ecd, mang \u0111\u1ebfn cho ng\u01b0\u1eddi d\u00f9ng tr\u1ea3i nghi\u1ec7m duy\u1ec7t web an to\u00e0n v\u00e0 s\u1ef1 an t\u00e2m khi truy c\u1eadp Internet.<\/p>","protected":false},"featured_media":479677,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479676","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Wildcard Certificate for the Website of the Proxy Server Provider OneProxy (oneproxy.pro)<\/mark>","faq_items":[{"question":"What is a Wildcard certificate, and how does it benefit OneProxy's website?","answer":"

              A Wildcard certificate is an SSL\/TLS certificate that secures multiple subdomains under a single main domain using a wildcard character (*). For OneProxy's website (oneproxy.pro), it means that all its subdomains like \"www.oneproxy.pro<\/a>,\" \"mail.oneproxy.pro,\" and more can be covered by a single certificate, simplifying certificate management and reducing costs.<\/p>"},{"question":"How did Wildcard certificates originate, and when were they first mentioned?","answer":"

              Wildcard certificates emerged in response to the growing need for simplifying SSL\/TLS certificate management in websites with numerous subdomains. They were first mentioned in the early 2000s when the internet witnessed a surge in websites requiring such certificates.<\/p>"},{"question":"How does the Wildcard certificate work internally?","answer":"

              Internally, the Wildcard certificate adheres to the X.509 standard and contains crucial information like the domain name, public key, validity period, and digital signature from the Certificate Authority (CA). During the SSL\/TLS handshake, when a user accesses a subdomain, the server presents the Wildcard certificate for verification, establishing a secure connection.<\/p>"},{"question":"What are the key features of Wildcard certificates?","answer":"

              Wildcard certificates offer several key features, including cost-effectiveness by covering all subdomains with a single certificate, simplified management, high-security standards, flexibility in adding new subdomains, and compatibility with all major browsers and operating systems.<\/p>"},{"question":"Are there different types of Wildcard certificates?","answer":"

              Yes, there are two main types of Wildcard certificates: Single-Domain Wildcard, which covers a specific domain and its subdomains, and Multi-Domain Wildcard (SAN), which covers multiple main domains and their subdomains in a single certificate.<\/p>"},{"question":"How can Wildcard certificates be used with proxy servers like OneProxy?","answer":"

              Wildcard certificates can be associated with proxy servers to enhance security for users accessing the internet through the proxy. By deploying Wildcard certificates, OneProxy ensures that communication between users and their proxy servers remains encrypted and protected from unauthorized access.<\/p>"},{"question":"What are the potential challenges and solutions related to using Wildcard certificates?","answer":"

              Challenges may include security risks if the private key is compromised, certificate revocation complexity, and domain control validation difficulties. Solutions involve robust key management practices, prompt certificate revocation, and alternative domain validation methods.<\/p>"},{"question":"What are the future perspectives for Wildcard certificates?","answer":"

              The future may see extended support for Wildcard certificates, improved automation tools for easier deployment, and advancements in quantum-safe cryptography to ensure long-term security.<\/p>"},{"question":"How do Wildcard certificates compare to regular SSL\/TLS certificates and Multi-Domain certificates?","answer":"

              Wildcard certificates cover multiple subdomains, while regular SSL\/TLS certificates secure a single domain without wildcard. Multi-Domain certificates cover multiple distinct domains, but Wildcard Multi-Domain certificates combine both concepts, securing multiple domains and subdomains with wildcards.<\/p>"},{"question":"Where can I find more information about Wildcard certificates and internet security?","answer":"

              For further details on Wildcard certificates, SSL\/TLS encryption, and internet security, you can refer to the provided related links, which offer valuable resources and in-depth insights.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479676","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\/479676\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/479677"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}