{"id":4070,"date":"2021-07-17T05:46:00","date_gmt":"2021-07-17T05:46:00","guid":{"rendered":"https:\/\/zynoo.com\/blog\/err_ssl_version_or_cipher_mismatch\/"},"modified":"2026-10-28T16:43:24","modified_gmt":"2026-10-28T16:43:24","slug":"err_ssl_version_or_cipher_mismatch","status":"publish","type":"post","link":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/","title":{"rendered":"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">L\u1ed7i <strong>ERR_SSL_VERSION_OR_CIPHER_MISMATCH<\/strong> xu\u1ea5t hi\u1ec7n khi Google Chrome kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i HTTPS an to\u00e0n v\u1edbi m\u1ed9t trang web. L\u1ed7i n\u00e0y th\u01b0\u1eddng cho th\u1ea5y tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 kh\u00f4ng th\u1ed1ng nh\u1ea5t \u0111\u01b0\u1ee3c c\u00e1c thi\u1ebft l\u1eadp m\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch, d\u00f9 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9ng ch\u1ec9 SSL v\u00e0 c\u1ea5u h\u00ecnh CDN c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang truy c\u1eadp m\u1ed9t trang web, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 n\u1eb1m ngo\u00e0i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n qu\u1ea3n l\u00fd trang web \u0111\u00f3, b\u1ea1n c\u1ea7n ki\u1ec3m tra c\u1ea5u h\u00ecnh SSL\/TLS c\u1ee7a trang.<\/p>\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c an to\u00e0n.<\/p>\n\n<h2 id=\"h-what-does-err-ssl-version-or-cipher-mismatch-mean\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_SSL_VERSION_OR_CIPHER_MISMATCH_co_nghia_la_gi\"><\/span>ERR_SSL_VERSION_OR_CIPHER_MISMATCH c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n m\u1edf m\u1ed9t trang web HTTPS, tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 th\u1ef1c hi\u1ec7n <strong>qu\u00e1 tr\u00ecnh b\u1eaft tay TLS<\/strong>. Trong qu\u00e1 tr\u00ecnh n\u00e0y, hai b\u00ean th\u1ed1ng nh\u1ea5t giao th\u1ee9c m\u00e3 h\u00f3a v\u00e0 b\u1ed9 m\u00e3 h\u00f3a tr\u01b0\u1edbc khi truy\u1ec1n d\u1eef li\u1ec7u trang web m\u1ed9t c\u00e1ch an to\u00e0n.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i t\u01b0\u01a1ng th\u00edch, Chrome c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb:<\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><code>ERR_SSL_VERSION_OR_CIPHER_MISMATCH<\/code><\/p>\n<\/blockquote>\n\n<p class=\"wp-block-paragraph\">Firefox c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb m\u1ed9t th\u00f4ng b\u00e1o kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 <code>SSL_ERROR_NO_CYPHER_OVERLAP<\/code>.<\/p>\n\n<p class=\"wp-block-paragraph\">C\u00e1c trang web hi\u1ec7n \u0111\u1ea1i n\u00ean h\u1ed7 tr\u1ee3 TLS 1.2 v\u00e0 t\u1ed1t nh\u1ea5t l\u00e0 c\u1ea3 TLS 1.3. C\u00e1c giao th\u1ee9c c\u0169 h\u01a1n, bao g\u1ed3m TLS 1.0 v\u00e0 TLS 1.1, kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u1ed7i n\u00e0y kh\u00f4ng nh\u1ea5t thi\u1ebft c\u00f3 ngh\u0129a l\u00e0 trang web \u0111\u00e3 b\u1ecb t\u1ea5n c\u00f4ng. N\u00f3 c\u00f3 ngh\u0129a l\u00e0 tr\u00ecnh duy\u1ec7t kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i an to\u00e0n nh\u01b0 mong \u0111\u1ee3i.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning-1024x576.png\" alt=\"H\u00ecnh minh h\u1ecda l\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH tr\u00ean tr\u00ecnh duy\u1ec7t, th\u1ec3 hi\u1ec7n c\u1ea5u h\u00ecnh SSL\/TLS, k\u1ebft n\u1ed1i HTTPS kh\u00f4ng th\u00e0nh c\u00f4ng v\u00e0 phi\u00ean b\u1ea3n TLS \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\" class=\"wp-image-2453\" srcset=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning-1024x576.png 1024w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning-300x169.png 300w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning-768x432.png 768w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning-1536x864.png 1536w, https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h2 id=\"h-what-causes-this-ssl-error\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nguyen_nhan_nao_gay_ra_loi_SSL_nay\"><\/span>Nguy\u00ean nh\u00e2n n\u00e0o g\u00e2y ra l\u1ed7i SSL n\u00e0y?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft n\u1ed1i HTTPS kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Giao th\u1ee9c TLS l\u1ed7i th\u1eddi:<\/strong> M\u00e1y ch\u1ee7 ch\u1ec9 h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a m\u00e0 tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i t\u1eeb ch\u1ed1i.<\/li>\n\n\n\n<li><strong>B\u1ed9 m\u00e3 h\u00f3a kh\u00f4ng t\u01b0\u01a1ng th\u00edch:<\/strong> Tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 kh\u00f4ng c\u00f3 thu\u1eadt to\u00e1n m\u00e3 h\u00f3a n\u00e0o c\u00f9ng h\u1ed7 tr\u1ee3.<\/li>\n\n\n\n<li><strong>V\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ea5u h\u00ecnh ch\u1ee9ng ch\u1ec9:<\/strong> M\u00e1y ch\u1ee7 ho\u1eb7c CDN kh\u00f4ng cung c\u1ea5p ch\u1ee9ng ch\u1ec9 ph\u00f9 h\u1ee3p cho t\u00ean m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/li>\n\n\n\n<li><strong>C\u1ea5u h\u00ecnh Cloudflare:<\/strong> Ch\u1ee9ng ch\u1ec9 c\u00f3 th\u1ec3 v\u1eabn \u0111ang trong qu\u00e1 tr\u00ecnh k\u00edch ho\u1ea1t ho\u1eb7c ch\u1ee9ng ch\u1ec9 hi\u1ec7n t\u1ea1i c\u00f3 th\u1ec3 kh\u00f4ng bao ph\u1ee7 m\u1ed9t t\u00ean mi\u1ec1n ph\u1ee5.<\/li>\n\n\n\n<li><strong>Ph\u1ea7n m\u1ec1m ph\u00eda m\u00e1y kh\u00e1ch l\u1ed7i th\u1eddi:<\/strong> Tr\u00ecnh duy\u1ec7t, h\u1ec7 \u0111i\u1ec1u h\u00e0nh ho\u1eb7c s\u1ea3n ph\u1ea9m b\u1ea3o m\u1eadt m\u1ea1ng c\u0169 c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 c\u00e1c thi\u1ebft l\u1eadp m\u00e3 h\u00f3a c\u1ee7a m\u00e1y ch\u1ee7.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n g\u1ed1c c\u1ee7a v\u1ea5n \u0111\u1ec1.<\/p>\n\n<h2 id=\"h-how-to-fix-err-ssl-version-or-cipher-mismatch\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_khac_phuc_ERR_SSL_VERSION_OR_CIPHER_MISMATCH\"><\/span>C\u00e1ch kh\u1eafc ph\u1ee5c ERR_SSL_VERSION_OR_CIPHER_MISMATCH<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3 id=\"h-1-check-whether-the-problem-affects-one-website\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Kiem_tra_xem_van_de_co_chi_xay_ra_voi_mot_trang_web_khong\"><\/span>1. Ki\u1ec3m tra xem v\u1ea5n \u0111\u1ec1 c\u00f3 ch\u1ec9 x\u1ea3y ra v\u1edbi m\u1ed9t trang web kh\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc ti\u00ean, h\u00e3y x\u00e1c \u0111\u1ecbnh l\u1ed7i xu\u1ea5t hi\u1ec7n tr\u00ean m\u1ed9t trang web hay nhi\u1ec1u trang web.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu ch\u1ec9 m\u1ed9t trang web kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, v\u1ea5n \u0111\u1ec1 nhi\u1ec1u kh\u1ea3 n\u0103ng li\u00ean quan \u0111\u1ebfn c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7, ch\u1ee9ng ch\u1ec9 ho\u1eb7c CDN c\u1ee7a trang \u0111\u00f3.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu nhi\u1ec1u trang web kh\u00f4ng li\u00ean quan \u0111\u1ec1u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u00e3y ki\u1ec3m tra tr\u00ecnh duy\u1ec7t, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt c\u1ee7a b\u1ea1n.<\/p>\n\n<p class=\"wp-block-paragraph\">H\u00e3y th\u1eed m\u1edf trang web b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1eb1ng m\u1ed9t tr\u00ecnh duy\u1ec7t kh\u00e1c \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt ho\u1eb7c tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c. B\u01b0\u1edbc ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n n\u00e0y c\u00f3 th\u1ec3 gi\u00fap khoanh v\u00f9ng nguy\u00ean nh\u00e2n.<\/p>\n\n<h3 id=\"h-2-check-the-website-s-ssl-certificate\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Kiem_tra_chung_chi_SSL_cua_trang_web\"><\/span>2. Ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 SSL c\u1ee7a trang web<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n qu\u1ea3n l\u00fd trang web, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ki\u1ec3m tra c\u1ea5u h\u00ecnh SSL\/TLS c\u00f4ng khai c\u1ee7a trang.<\/p>\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed <a href=\"https:\/\/www.ssllabs.com\/ssltest\/\">SSL Labs Server Test<\/a> \u0111\u1ec3 ki\u1ec3m tra t\u00ean mi\u1ec1n.<\/p>\n\n<p class=\"wp-block-paragraph\">H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Th\u1eddi h\u1ea1n v\u00e0 t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a ch\u1ee9ng ch\u1ec9.<\/li>\n\n\n\n<li>C\u00e1c t\u00ean m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c ch\u1ee9ng ch\u1ec9 bao ph\u1ee7, bao g\u1ed3m <code>www<\/code> v\u00e0 c\u00e1c t\u00ean mi\u1ec1n ph\u1ee5.<\/li>\n\n\n\n<li>C\u1ea5u h\u00ecnh chu\u1ed7i ch\u1ee9ng ch\u1ec9.<\/li>\n\n\n\n<li>C\u00e1c phi\u00ean b\u1ea3n TLS v\u00e0 b\u1ed9 m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">SSL Labs x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u1ea5u h\u00ecnh nh\u01b0ng kh\u00f4ng c\u1eadp nh\u1eadt ch\u1ee9ng ch\u1ec9 ho\u1eb7c thay \u0111\u1ed5i thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu ch\u1ee9ng ch\u1ec9 \u0111\u00e3 h\u1ebft h\u1ea1n, h\u00e3y gia h\u1ea1n v\u00e0 x\u00e1c nh\u1eadn r\u1eb1ng m\u00e1y ch\u1ee7 web ho\u1eb7c proxy ng\u01b0\u1ee3c \u0111ang cung c\u1ea5p ch\u1ee9ng ch\u1ec9 thay th\u1ebf \u0111\u00fang c\u00e1ch.<\/p>\n\n<p class=\"wp-block-paragraph\">V\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9ng ch\u1ec9 c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u l\u1ed7i tr\u00ecnh duy\u1ec7t kh\u00e1c nhau, v\u00ec v\u1eady \u0111\u1eebng cho r\u1eb1ng m\u1ecdi c\u1ea3nh b\u00e1o v\u1ec1 ch\u1ee9ng ch\u1ec9 \u0111\u1ec1u l\u00e0 do b\u1ed9 m\u00e3 h\u00f3a kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/p>\n\n<h3 id=\"h-3-enable-modern-tls-versions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Bat_cac_phien_ban_TLS_hien_dai\"><\/span>3. B\u1eadt c\u00e1c phi\u00ean b\u1ea3n TLS hi\u1ec7n \u0111\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">M\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n n\u00ean h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c trang web c\u00f4ng khai, <strong>TLS 1.2 v\u00e0 TLS 1.3<\/strong> l\u00e0 m\u1ee9c n\u1ec1n t\u1ea3ng h\u1ee3p l\u00fd v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu m\u00e1y ch\u1ee7 ch\u1ec9 h\u1ed7 tr\u1ee3 TLS 1.0 ho\u1eb7c TLS 1.1, c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i k\u1ebft n\u1ed1i.<\/p>\n\n<p class=\"wp-block-paragraph\">Qu\u1ea3n tr\u1ecb vi\u00ean trang web n\u00ean ki\u1ec3m tra thi\u1ebft l\u1eadp SSL\/TLS trong Apache, Nginx ho\u1eb7c b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef.<\/p>\n\n<p class=\"wp-block-paragraph\">H\u00e3y b\u1eadt c\u00e1c b\u1ed9 m\u00e3 h\u00f3a hi\u1ec7n \u0111\u1ea1i ph\u00f9 h\u1ee3p v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c giao th\u1ee9c l\u1ed7i th\u1eddi. N\u1ebfu ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 qu\u00e1 c\u0169 \u0111\u1ec3 h\u1ed7 tr\u1ee3 ch\u00fang, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n n\u00e2ng c\u1ea5p.<\/p>\n\n<p class=\"wp-block-paragraph\">Tr\u00e1nh b\u1eadt c\u00e1c ph\u01b0\u01a1ng th\u1ee9c m\u00e3 h\u00f3a l\u1ed7i th\u1eddi ch\u1ec9 \u0111\u1ec3 tr\u00ecnh duy\u1ec7t c\u0169 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m gi\u1ea3m m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cho nh\u1eefng ng\u01b0\u1eddi truy c\u1eadp kh\u00e1c.<\/p>\n\n<h3 id=\"h-4-check-cloudflare-ssl-settings\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Kiem_tra_thiet_lap_SSL_cua_Cloudflare\"><\/span>4. Ki\u1ec3m tra thi\u1ebft l\u1eadp SSL c\u1ee7a Cloudflare<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu trang web c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng Cloudflare, l\u1ed7i c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb ch\u1ee9ng ch\u1ec9 t\u1ea1i n\u00fat bi\u00ean c\u1ee7a Cloudflare thay v\u00ec m\u00e1y ch\u1ee7 g\u1ed1c.<\/p>\n\n<p class=\"wp-block-paragraph\">Cloudflare n\u00eau ra m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 x\u1ea3y ra, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ee9ng ch\u1ec9 ch\u01b0a k\u00edch ho\u1ea1t xong.<\/li>\n\n\n\n<li>Ch\u1ee9ng ch\u1ec9 t\u00f9y ch\u1ec9nh \u0111\u00e3 h\u1ebft h\u1ea1n.<\/li>\n\n\n\n<li>T\u00ean m\u00e1y ch\u1ee7 kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee9ng ch\u1ec9 \u0111ang ho\u1ea1t \u0111\u1ed9ng bao ph\u1ee7.<\/li>\n\n\n\n<li>Thi\u1ebft l\u1eadp proxy kh\u00f4ng ch\u00ednh x\u00e1c cho m\u1ed9t b\u1ea3n ghi DNS.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ki\u1ec3m tra, h\u00e3y m\u1edf b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n Cloudflare c\u1ee7a b\u1ea1n v\u00e0 truy c\u1eadp <strong>SSL\/TLS \u2192 Edge Certificates<\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra xem ch\u1ee9ng ch\u1ec9 li\u00ean quan \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00f3 bao ph\u1ee7 t\u00ean mi\u1ec1n ho\u1eb7c t\u00ean mi\u1ec1n ph\u1ee5 b\u1ecb \u1ea3nh h\u01b0\u1edfng hay kh\u00f4ng.<\/p>\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9ng ch\u1ec9 Universal SSL ti\u00eau chu\u1ea9n c\u1ee7a Cloudflare th\u01b0\u1eddng bao ph\u1ee7 t\u00ean mi\u1ec1n ch\u00ednh v\u00e0 c\u00e1c t\u00ean mi\u1ec1n ph\u1ee5 c\u1ea5p m\u1ed9t. M\u1ed9t t\u00ean m\u00e1y ch\u1ee7 \u1edf c\u1ea5p s\u00e2u h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 <code>app.dev.example.com<\/code>, c\u00f3 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c b\u1ed5 sung v\u00e0o ph\u1ea1m vi bao ph\u1ee7 c\u1ee7a ch\u1ee9ng ch\u1ec9.<\/p>\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 s\u1eed d\u1ee5ng HTTPS t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i, b\u1ea1n c\u0169ng c\u1ea7n b\u1ea3o \u0111\u1ea3m m\u00e1y ch\u1ee7 g\u1ed1c c\u00f3 ch\u1ee9ng ch\u1ec9 ph\u00f9 h\u1ee3p. Ch\u1ebf \u0111\u1ed9 <strong>Full (strict)<\/strong> c\u1ee7a Cloudflare x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9 c\u1ee7a m\u00e1y ch\u1ee7 g\u1ed1c v\u00e0 l\u00e0 l\u1ef1a ch\u1ecdn n\u00ean d\u00f9ng khi \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang.<\/p>\n\n<h3 id=\"h-5-test-the-server-s-tls-connection\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Kiem_tra_ket_noi_TLS_cua_may_chu\"><\/span>5. Ki\u1ec3m tra k\u1ebft n\u1ed1i TLS c\u1ee7a m\u00e1y ch\u1ee7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n c\u00f3 quy\u1ec1n truy c\u1eadp terminal, OpenSSL c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 trong qu\u00e1 tr\u00ecnh b\u1eaft tay.<\/p>\n\n<p class=\"wp-block-paragraph\">Ch\u1ea1y l\u1ec7nh sau, thay t\u00ean mi\u1ec1n v\u00ed d\u1ee5 b\u1eb1ng t\u00ean mi\u1ec1n trang web c\u1ee7a b\u1ea1n:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>openssl s_client -connect example.com:443 -servername example.com -tls1_2 -brief<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Thao t\u00e1c n\u00e0y ki\u1ec3m tra xem m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i TLS 1.2 hay kh\u00f4ng v\u00e0 hi\u1ec3n th\u1ecb th\u00f4ng tin v\u1ec1 k\u1ebft qu\u1ea3.<\/p>\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ki\u1ec3m tra TLS 1.3:<\/p>\n\n<pre class=\"wp-block-code\"><code><code>openssl s_client -connect example.com:443 -servername example.com -tls1_3 -brief<\/code><\/code><\/pre>\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh b\u1eaft tay kh\u00f4ng th\u00e0nh c\u00f4ng c\u00f3 th\u1ec3 cho th\u1ea5y phi\u00ean b\u1ea3n giao th\u1ee9c kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, thi\u1ebft l\u1eadp kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c m\u1ed9t v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i kh\u00e1c.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu trang web c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng nhi\u1ec1u m\u00e1y ch\u1ee7 ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP, h\u00e3y ki\u1ec3m tra t\u1eebng m\u00e1y ch\u1ee7 ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP. M\u1ed9t m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh sai c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i HTTPS kh\u00f4ng li\u00ean t\u1ee5c.<\/p>\n\n<h3 id=\"h-6-update-your-browser-and-operating-system\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Cap_nhat_trinh_duyet_va_he_dieu_hanh\"><\/span>6. C\u1eadp nh\u1eadt tr\u00ecnh duy\u1ec7t v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi truy c\u1eadp v\u00e0 trang web ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c, h\u00e3y c\u1eadp nh\u1eadt tr\u00ecnh duy\u1ec7t v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a m\u00ecnh.<\/p>\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng l\u1ed7i th\u1eddi c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c TLS hi\u1ec7n h\u00e0nh ho\u1eb7c c\u00e1c t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh ch\u1ee9ng ch\u1ec9 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u0169ng n\u00ean ki\u1ec3m tra ng\u00e0y gi\u1edd tr\u00ean thi\u1ebft b\u1ecb, v\u00ec thi\u1ebft l\u1eadp kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 khi x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9.<\/p>\n\n<p class=\"wp-block-paragraph\">X\u00f3a d\u1eef li\u1ec7u tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 gi\u00fap kh\u1eafc ph\u1ee5c m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, nh\u01b0ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 s\u1eeda c\u1ea5u h\u00ecnh TLS kh\u00f4ng t\u01b0\u01a1ng th\u00edch tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a trang web.<\/p>\n\n<h3 id=\"h-7-review-security-software-without-disabling-protection\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Kiem_tra_phan_mem_bao_mat_ma_khong_tat_tinh_nang_bao_ve\"><\/span>7. Ki\u1ec3m tra ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt m\u00e0 kh\u00f4ng t\u1eaft t\u00ednh n\u0103ng b\u1ea3o v\u1ec7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng di\u1ec7t virus, proxy doanh nghi\u1ec7p v\u00e0 c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt m\u1ea1ng ki\u1ec3m tra l\u01b0u l\u01b0\u1ee3ng HTTPS. Vi\u1ec7c ki\u1ec3m tra \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf c\u00e1c k\u1ebft n\u1ed1i an to\u00e0n.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu v\u1ea5n \u0111\u1ec1 ch\u1ec9 x\u1ea3y ra tr\u00ean m\u1ea1ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd, h\u00e3y li\u00ean h\u1ec7 v\u1edbi qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng.<\/p>\n\n<p class=\"wp-block-paragraph\">Tr\u00e1nh t\u1eaft t\u01b0\u1eddng l\u1eeda ho\u1eb7c ph\u1ea7n m\u1ec1m di\u1ec7t virus ch\u1ec9 \u0111\u1ec3 b\u1ecf qua l\u1ed7i. Gi\u1ea3i ph\u00e1p t\u1ed1t h\u01a1n l\u00e0 x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda c\u1ea5u h\u00ecnh g\u00e2y xung \u0111\u1ed9t.<\/p>\n\n<h2 id=\"h-how-to-prevent-ssl-tls-errors\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_ngan_ngua_loi_SSLTLS\"><\/span>C\u00e1ch ng\u0103n ng\u1eeba l\u1ed7i SSL\/TLS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p class=\"wp-block-paragraph\">Ch\u1ee7 s\u1edf h\u1eefu trang web c\u00f3 th\u1ec3 gi\u1ea3m nguy c\u01a1 g\u1eb7p v\u1ea5n \u0111\u1ec1 HTTPS trong t\u01b0\u01a1ng lai b\u1eb1ng c\u00e1ch b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Gia h\u1ea1n ch\u1ee9ng ch\u1ec9 SSL tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n v\u00e0 theo d\u00f5i qu\u00e1 tr\u00ecnh gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng.<\/li>\n\n\n\n<li>Lu\u00f4n c\u1eadp nh\u1eadt m\u00e1y ch\u1ee7 web, h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 th\u01b0 vi\u1ec7n b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li>Duy tr\u00ec kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi TLS 1.2 v\u00e0 TLS 1.3.<\/li>\n\n\n\n<li>Ki\u1ec3m tra ph\u1ea1m vi bao ph\u1ee7 c\u1ee7a ch\u1ee9ng ch\u1ec9 khi th\u00eam t\u00ean mi\u1ec1n ho\u1eb7c t\u00ean mi\u1ec1n ph\u1ee5.<\/li>\n\n\n\n<li>Ki\u1ec3m tra HTTPS sau khi thay \u0111\u1ed5i DNS, thi\u1ebft l\u1eadp CDN ho\u1eb7c c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n g\u1eb7p v\u00f2ng l\u1eb7p chuy\u1ec3n h\u01b0\u1edbng HTTPS sau khi c\u00e0i \u0111\u1eb7t ch\u1ee9ng ch\u1ec9, <a href=\"https:\/\/zynoo.com\/blog\/err-too-many-redirects\/\">h\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i ERR_TOO_MANY_REDIRECTS<\/a> c\u1ee7a ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n x\u1eed l\u00fd v\u1ea5n \u0111\u1ec1 ri\u00eang bi\u1ec7t \u0111\u00f3.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef c\u00f3 bao g\u1ed3m vi\u1ec7c c\u1ea5p ch\u1ee9ng ch\u1ec9 SSL, d\u1ecbch v\u1ee5 <a href=\"https:\/\/zynoo.com\/shared-hosting.html\">l\u01b0u tr\u1eef chia s\u1ebb<\/a> c\u1ee7a ZYNOO cung c\u1ea5p ch\u1ee9ng ch\u1ec9 SSL c\u00f9ng v\u1edbi d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef v\u00e0 h\u1ed7 tr\u1ee3.<\/p>\n\n<h2 id=\"h-frequently-asked-questions\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1792672191732\"><strong class=\"schema-faq-question\">T\u00f4i c\u00f3 th\u1ec3 b\u1ecf qua l\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">Th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o an to\u00e0n \u0111\u1ec3 l\u00e0m v\u1eady. Tr\u00ecnh duy\u1ec7t \u0111\u00e3 kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch. Thay v\u00ec b\u1ecf qua c\u1ea3nh b\u00e1o, h\u00e3y kh\u1eafc ph\u1ee5c c\u1ea5u h\u00ecnh TLS ho\u1eb7c ch\u1ee9ng ch\u1ec9 g\u00e2y ra l\u1ed7i.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1792672207612\"><strong class=\"schema-faq-question\">Ch\u1ee9ng ch\u1ec9 SSL h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i n\u00e0y kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">V\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9ng ch\u1ec9 c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft n\u1ed1i HTTPS kh\u00f4ng th\u00e0nh c\u00f4ng, v\u00e0 ch\u1ee9ng ch\u1ec9 t\u1ea1i n\u00fat bi\u00ean c\u1ee7a Cloudflare h\u1ebft h\u1ea1n ho\u1eb7c b\u1ecb thi\u1ebfu c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i n\u00e0y. Tuy nhi\u00ean, ch\u1ee9ng ch\u1ec9 h\u1ebft h\u1ea1n c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn tr\u00ecnh duy\u1ec7t hi\u1ec3n th\u1ecb m\u1ed9t c\u1ea3nh b\u00e1o kh\u00e1c.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1792672244374\"><strong class=\"schema-faq-question\">X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a Chrome c\u00f3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">Th\u00f4ng th\u01b0\u1eddng l\u00e0 kh\u00f4ng. V\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a tr\u00ecnh duy\u1ec7t kh\u00f4ng ph\u1ea3i nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 phi\u00ean b\u1ea3n TLS ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a. N\u1ebfu m\u00e1y ch\u1ee7 ch\u1ec9 h\u1ed7 tr\u1ee3 ph\u01b0\u01a1ng th\u1ee9c m\u00e3 h\u00f3a l\u1ed7i th\u1eddi, b\u1ea1n ph\u1ea3i s\u1eeda c\u1ea5u h\u00ecnh c\u1ee7a m\u00e1y ch\u1ee7.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1792672266622\"><strong class=\"schema-faq-question\">T\u00f4i c\u00f3 n\u00ean b\u1eadt TLS 1.0 ho\u1eb7c TLS 1.1 kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">Kh\u00f4ng. Nh\u1eefng giao th\u1ee9c n\u00e0y \u0111\u00e3 l\u1ed7i th\u1eddi. Thay v\u00e0o \u0111\u00f3, h\u00e3y c\u1eadp nh\u1eadt m\u00e1y ch\u1ee7 ho\u1eb7c ph\u1ea7n m\u1ec1m ph\u00eda m\u00e1y kh\u00e1ch \u0111\u1ec3 h\u1ed7 tr\u1ee3 TLS 1.2 ho\u1eb7c TLS 1.3.<\/p> <\/div> <\/div>\n\n<h3 id=\"h-conclusion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p class=\"wp-block-paragraph\">ERR_SSL_VERSION_OR_CIPHER_MISMATCH cho bi\u1ebft kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i HTTPS an to\u00e0n.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi truy c\u1eadp, tr\u01b0\u1edbc ti\u00ean h\u00e3y th\u1eed m\u1ed9t tr\u00ecnh duy\u1ec7t ho\u1eb7c thi\u1ebft b\u1ecb kh\u00e1c v\u00e0 c\u00e0i \u0111\u1eb7t c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m. N\u1ebfu b\u1ea1n l\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean trang web, h\u00e3y \u01b0u ti\u00ean ki\u1ec3m tra ph\u1ea1m vi bao ph\u1ee7 c\u1ee7a ch\u1ee9ng ch\u1ec9, c\u00e1c phi\u00ean b\u1ea3n TLS \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, b\u1ed9 m\u00e3 h\u00f3a v\u00e0 c\u1ea5u h\u00ecnh CDN.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>M\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ecf qua c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra b\u1ea3o m\u1eadt c\u1ee7a tr\u00ecnh duy\u1ec7t, m\u00e0 l\u00e0 kh\u00f4i ph\u1ee5c k\u1ebft n\u1ed1i HTTPS \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH xu\u1ea5t hi\u1ec7n khi Google Chrome kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i HTTPS an to\u00e0n v\u1edbi m\u1ed9t trang web. L\u1ed7i n\u00e0y th\u01b0\u1eddng cho th\u1ea5y tr\u00ecnh duy\u1ec7t v\u00e0 m\u00e1y ch\u1ee7 kh\u00f4ng th\u1ed1ng nh\u1ea5t \u0111\u01b0\u1ee3c c\u00e1c thi\u1ebft l\u1eadp m\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch, d\u00f9 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9ng ch\u1ec9 SSL v\u00e0 c\u1ea5u h\u00ecnh CDN c\u0169ng [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4073,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[646],"tags":[735,664,736,734],"class_list":["post-4070","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dich-vu-luu-tru-web","tag-err_ssl_version_or_cipher_mismatch","tag-huong-dan","tag-loi-ssl","tag-loi-trinh-duyet"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c<\/title>\n<meta name=\"description\" content=\"err_ssl_version_or_cipher_mismatch L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u lo l\u1eafng, nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c\" \/>\n<meta property=\"og:description\" content=\"err_ssl_version_or_cipher_mismatch L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u lo l\u1eafng, nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/\" \/>\n<meta property=\"og:site_name\" content=\"ZYNOO Blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-17T05:46:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-28T16:43:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1672\" \/>\n\t<meta property=\"og:image:height\" content=\"941\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Jamie Collins\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jamie Collins\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/\"},\"author\":{\"name\":\"Jamie Collins\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#\\\/schema\\\/person\\\/075b85b8be75fb370da34891a96e7eba\"},\"headline\":\"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c\",\"datePublished\":\"2021-07-17T05:46:00+00:00\",\"dateModified\":\"2026-10-28T16:43:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/\"},\"wordCount\":3081,\"publisher\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/SSL-Cipher-Mismatch-Warning.png\",\"keywords\":[\"err_ssl_version_or_cipher_mismatch\",\"h\u01b0\u1edbng d\u1eabn\",\"l\u1ed7i SSL\",\"l\u1ed7i tr\u00ecnh duy\u1ec7t\"],\"articleSection\":[\"D\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web\"],\"inLanguage\":\"vi\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/\",\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/\",\"name\":\"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/SSL-Cipher-Mismatch-Warning.png\",\"datePublished\":\"2021-07-17T05:46:00+00:00\",\"dateModified\":\"2026-10-28T16:43:24+00:00\",\"description\":\"err_ssl_version_or_cipher_mismatch L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u lo l\u1eafng, nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672191732\"},{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672207612\"},{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672244374\"},{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672266622\"}],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#primaryimage\",\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/SSL-Cipher-Mismatch-Warning.png\",\"contentUrl\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/07\\\/SSL-Cipher-Mismatch-Warning.png\",\"width\":1672,\"height\":941,\"caption\":\"H\u00ecnh minh h\u1ecda l\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH tr\u00ean tr\u00ecnh duy\u1ec7t, th\u1ec3 hi\u1ec7n c\u1ea5u h\u00ecnh SSL\\\/TLS, k\u1ebft n\u1ed1i HTTPS kh\u00f4ng th\u00e0nh c\u00f4ng v\u00e0 phi\u00ean b\u1ea3n TLS \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"D\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web\",\"item\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/category\\\/dich-vu-luu-tru-web\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#website\",\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/\",\"name\":\"Zynoo Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#organization\",\"name\":\"ZYNOO\",\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/logo.png\",\"width\":149,\"height\":31,\"caption\":\"ZYNOO\"},\"image\":{\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/#\\\/schema\\\/person\\\/075b85b8be75fb370da34891a96e7eba\",\"name\":\"Jamie Collins\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c9359158623ddee86ac8561e84de70f78b722c1d9018dd61d611ae19118a2d76?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c9359158623ddee86ac8561e84de70f78b722c1d9018dd61d611ae19118a2d76?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/c9359158623ddee86ac8561e84de70f78b722c1d9018dd61d611ae19118a2d76?s=96&d=mm&r=g\",\"caption\":\"Jamie Collins\"},\"description\":\"Jamie Collins is a content writer with over 5+ years of experience in web hosting. He specializes in creating simple, practical guides that help readers understand hosting and make smarter online choices.\",\"sameAs\":[\"https:\\\/\\\/zynoo.com\\\/blog\\\/\"],\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/author\\\/willy\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672191732\",\"position\":1,\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672191732\",\"name\":\"T\u00f4i c\u00f3 th\u1ec3 b\u1ecf qua l\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH kh\u00f4ng?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o an to\u00e0n \u0111\u1ec3 l\u00e0m v\u1eady. Tr\u00ecnh duy\u1ec7t \u0111\u00e3 kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch. Thay v\u00ec b\u1ecf qua c\u1ea3nh b\u00e1o, h\u00e3y kh\u1eafc ph\u1ee5c c\u1ea5u h\u00ecnh TLS ho\u1eb7c ch\u1ee9ng ch\u1ec9 g\u00e2y ra l\u1ed7i.\",\"inLanguage\":\"vi\"},\"inLanguage\":\"vi\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672207612\",\"position\":2,\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672207612\",\"name\":\"Ch\u1ee9ng ch\u1ec9 SSL h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i n\u00e0y kh\u00f4ng?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"V\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9ng ch\u1ec9 c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft n\u1ed1i HTTPS kh\u00f4ng th\u00e0nh c\u00f4ng, v\u00e0 ch\u1ee9ng ch\u1ec9 t\u1ea1i n\u00fat bi\u00ean c\u1ee7a Cloudflare h\u1ebft h\u1ea1n ho\u1eb7c b\u1ecb thi\u1ebfu c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i n\u00e0y. Tuy nhi\u00ean, ch\u1ee9ng ch\u1ec9 h\u1ebft h\u1ea1n c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn tr\u00ecnh duy\u1ec7t hi\u1ec3n th\u1ecb m\u1ed9t c\u1ea3nh b\u00e1o kh\u00e1c.\",\"inLanguage\":\"vi\"},\"inLanguage\":\"vi\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672244374\",\"position\":3,\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672244374\",\"name\":\"X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a Chrome c\u00f3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i kh\u00f4ng?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Th\u00f4ng th\u01b0\u1eddng l\u00e0 kh\u00f4ng. V\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a tr\u00ecnh duy\u1ec7t kh\u00f4ng ph\u1ea3i nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 phi\u00ean b\u1ea3n TLS ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a. N\u1ebfu m\u00e1y ch\u1ee7 ch\u1ec9 h\u1ed7 tr\u1ee3 ph\u01b0\u01a1ng th\u1ee9c m\u00e3 h\u00f3a l\u1ed7i th\u1eddi, b\u1ea1n ph\u1ea3i s\u1eeda c\u1ea5u h\u00ecnh c\u1ee7a m\u00e1y ch\u1ee7.\",\"inLanguage\":\"vi\"},\"inLanguage\":\"vi\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672266622\",\"position\":4,\"url\":\"https:\\\/\\\/zynoo.com\\\/blog\\\/vi\\\/err_ssl_version_or_cipher_mismatch\\\/#faq-question-1792672266622\",\"name\":\"T\u00f4i c\u00f3 n\u00ean b\u1eadt TLS 1.0 ho\u1eb7c TLS 1.1 kh\u00f4ng?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Kh\u00f4ng. Nh\u1eefng giao th\u1ee9c n\u00e0y \u0111\u00e3 l\u1ed7i th\u1eddi. Thay v\u00e0o \u0111\u00f3, h\u00e3y c\u1eadp nh\u1eadt m\u00e1y ch\u1ee7 ho\u1eb7c ph\u1ea7n m\u1ec1m ph\u00eda m\u00e1y kh\u00e1ch \u0111\u1ec3 h\u1ed7 tr\u1ee3 TLS 1.2 ho\u1eb7c TLS 1.3.\",\"inLanguage\":\"vi\"},\"inLanguage\":\"vi\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c","description":"err_ssl_version_or_cipher_mismatch L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u lo l\u1eafng, nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/","og_locale":"vi_VN","og_type":"article","og_title":"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c","og_description":"err_ssl_version_or_cipher_mismatch L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u lo l\u1eafng, nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c.","og_url":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/","og_site_name":"ZYNOO Blog","article_published_time":"2021-07-17T05:46:00+00:00","article_modified_time":"2026-10-28T16:43:24+00:00","og_image":[{"width":1672,"height":941,"url":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png","type":"image\/png"}],"author":"Jamie Collins","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Jamie Collins","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"6 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#article","isPartOf":{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/"},"author":{"name":"Jamie Collins","@id":"https:\/\/zynoo.com\/blog\/vi\/#\/schema\/person\/075b85b8be75fb370da34891a96e7eba"},"headline":"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c","datePublished":"2021-07-17T05:46:00+00:00","dateModified":"2026-10-28T16:43:24+00:00","mainEntityOfPage":{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/"},"wordCount":3081,"publisher":{"@id":"https:\/\/zynoo.com\/blog\/vi\/#organization"},"image":{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#primaryimage"},"thumbnailUrl":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png","keywords":["err_ssl_version_or_cipher_mismatch","h\u01b0\u1edbng d\u1eabn","l\u1ed7i SSL","l\u1ed7i tr\u00ecnh duy\u1ec7t"],"articleSection":["D\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web"],"inLanguage":"vi"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/","url":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/","name":"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c","isPartOf":{"@id":"https:\/\/zynoo.com\/blog\/vi\/#website"},"primaryImageOfPage":{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#primaryimage"},"image":{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#primaryimage"},"thumbnailUrl":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png","datePublished":"2021-07-17T05:46:00+00:00","dateModified":"2026-10-28T16:43:24+00:00","description":"err_ssl_version_or_cipher_mismatch L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u lo l\u1eafng, nh\u01b0ng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c.","breadcrumb":{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672191732"},{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672207612"},{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672244374"},{"@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672266622"}],"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#primaryimage","url":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png","contentUrl":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2021\/07\/SSL-Cipher-Mismatch-Warning.png","width":1672,"height":941,"caption":"H\u00ecnh minh h\u1ecda l\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH tr\u00ean tr\u00ecnh duy\u1ec7t, th\u1ec3 hi\u1ec7n c\u1ea5u h\u00ecnh SSL\/TLS, k\u1ebft n\u1ed1i HTTPS kh\u00f4ng th\u00e0nh c\u00f4ng v\u00e0 phi\u00ean b\u1ea3n TLS \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3"},{"@type":"BreadcrumbList","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/zynoo.com\/blog\/vi\/"},{"@type":"ListItem","position":2,"name":"D\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web","item":"https:\/\/zynoo.com\/blog\/vi\/category\/dich-vu-luu-tru-web\/"},{"@type":"ListItem","position":3,"name":"ERR_SSL_VERSION_OR_CIPHER_MISMATCH: C\u00e1ch kh\u1eafc ph\u1ee5c"}]},{"@type":"WebSite","@id":"https:\/\/zynoo.com\/blog\/vi\/#website","url":"https:\/\/zynoo.com\/blog\/vi\/","name":"Zynoo Blog","description":"","publisher":{"@id":"https:\/\/zynoo.com\/blog\/vi\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/zynoo.com\/blog\/vi\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/zynoo.com\/blog\/vi\/#organization","name":"ZYNOO","url":"https:\/\/zynoo.com\/blog\/vi\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/zynoo.com\/blog\/vi\/#\/schema\/logo\/image\/","url":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2025\/08\/logo.png","contentUrl":"https:\/\/zynoo.com\/blog\/wp-content\/uploads\/2025\/08\/logo.png","width":149,"height":31,"caption":"ZYNOO"},"image":{"@id":"https:\/\/zynoo.com\/blog\/vi\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/zynoo.com\/blog\/vi\/#\/schema\/person\/075b85b8be75fb370da34891a96e7eba","name":"Jamie Collins","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/c9359158623ddee86ac8561e84de70f78b722c1d9018dd61d611ae19118a2d76?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9359158623ddee86ac8561e84de70f78b722c1d9018dd61d611ae19118a2d76?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c9359158623ddee86ac8561e84de70f78b722c1d9018dd61d611ae19118a2d76?s=96&d=mm&r=g","caption":"Jamie Collins"},"description":"Jamie Collins is a content writer with over 5+ years of experience in web hosting. He specializes in creating simple, practical guides that help readers understand hosting and make smarter online choices.","sameAs":["https:\/\/zynoo.com\/blog\/"],"url":"https:\/\/zynoo.com\/blog\/vi\/author\/willy\/"},{"@type":"Question","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672191732","position":1,"url":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672191732","name":"T\u00f4i c\u00f3 th\u1ec3 b\u1ecf qua l\u1ed7i ERR_SSL_VERSION_OR_CIPHER_MISMATCH kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o an to\u00e0n \u0111\u1ec3 l\u00e0m v\u1eady. Tr\u00ecnh duy\u1ec7t \u0111\u00e3 kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch. Thay v\u00ec b\u1ecf qua c\u1ea3nh b\u00e1o, h\u00e3y kh\u1eafc ph\u1ee5c c\u1ea5u h\u00ecnh TLS ho\u1eb7c ch\u1ee9ng ch\u1ec9 g\u00e2y ra l\u1ed7i.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672207612","position":2,"url":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672207612","name":"Ch\u1ee9ng ch\u1ec9 SSL h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i n\u00e0y kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"V\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ee9ng ch\u1ec9 c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft n\u1ed1i HTTPS kh\u00f4ng th\u00e0nh c\u00f4ng, v\u00e0 ch\u1ee9ng ch\u1ec9 t\u1ea1i n\u00fat bi\u00ean c\u1ee7a Cloudflare h\u1ebft h\u1ea1n ho\u1eb7c b\u1ecb thi\u1ebfu c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i n\u00e0y. Tuy nhi\u00ean, ch\u1ee9ng ch\u1ec9 h\u1ebft h\u1ea1n c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn tr\u00ecnh duy\u1ec7t hi\u1ec3n th\u1ecb m\u1ed9t c\u1ea3nh b\u00e1o kh\u00e1c.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672244374","position":3,"url":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672244374","name":"X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a Chrome c\u00f3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Th\u00f4ng th\u01b0\u1eddng l\u00e0 kh\u00f4ng. V\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a tr\u00ecnh duy\u1ec7t kh\u00f4ng ph\u1ea3i nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 phi\u00ean b\u1ea3n TLS ho\u1eb7c b\u1ed9 m\u00e3 h\u00f3a. N\u1ebfu m\u00e1y ch\u1ee7 ch\u1ec9 h\u1ed7 tr\u1ee3 ph\u01b0\u01a1ng th\u1ee9c m\u00e3 h\u00f3a l\u1ed7i th\u1eddi, b\u1ea1n ph\u1ea3i s\u1eeda c\u1ea5u h\u00ecnh c\u1ee7a m\u00e1y ch\u1ee7.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672266622","position":4,"url":"https:\/\/zynoo.com\/blog\/vi\/err_ssl_version_or_cipher_mismatch\/#faq-question-1792672266622","name":"T\u00f4i c\u00f3 n\u00ean b\u1eadt TLS 1.0 ho\u1eb7c TLS 1.1 kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Kh\u00f4ng. Nh\u1eefng giao th\u1ee9c n\u00e0y \u0111\u00e3 l\u1ed7i th\u1eddi. Thay v\u00e0o \u0111\u00f3, h\u00e3y c\u1eadp nh\u1eadt m\u00e1y ch\u1ee7 ho\u1eb7c ph\u1ea7n m\u1ec1m ph\u00eda m\u00e1y kh\u00e1ch \u0111\u1ec3 h\u1ed7 tr\u1ee3 TLS 1.2 ho\u1eb7c TLS 1.3.","inLanguage":"vi"},"inLanguage":"vi"}]}},"_links":{"self":[{"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/posts\/4070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/comments?post=4070"}],"version-history":[{"count":1,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/posts\/4070\/revisions"}],"predecessor-version":[{"id":4074,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/posts\/4070\/revisions\/4074"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/media\/4073"}],"wp:attachment":[{"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/media?parent=4070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/categories?post=4070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zynoo.com\/blog\/vi\/wp-json\/wp\/v2\/tags?post=4070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}