{"id":4680,"date":"2022-09-27T13:48:58","date_gmt":"2022-09-27T05:48:58","guid":{"rendered":"https:\/\/www.ookangzheng.com\/?p=4680"},"modified":"2022-10-01T22:01:10","modified_gmt":"2022-10-01T14:01:10","slug":"mac-openssl-upgrade-to-use-tls-1-3","status":"publish","type":"post","link":"https:\/\/www.ookangzheng.com\/mac-openssl-upgrade-to-use-tls-1-3\/","title":{"rendered":"Mac OpenSSL upgrade to use TLS 1.3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Why<\/h2>\n\n\n\n<p>Mac OSX default OpenSSL is version 2 which not support TLS 1.3 by default. We have to force install OpenSSL version 3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>brew install openssl@3\nbrew link --force openssl\n\nexport PATH=\"\/opt\/homebrew\/opt\/openssl@3\/bin:$PATH\" &gt;&gt; ~\/.zshrc<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Validate TLS 1.3<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>openssl s_client -connect google.com:443 -tls1_3<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>openssl version -a\n\nOpenSSL 3.0.5 5 Jul 2022 (Library: OpenSSL 3.0.5 5 Jul 2022)\nbuilt on: Tue Jul  5 08:57:04 2022 UTC\nplatform: darwin64-arm64-cc\noptions:  bn(64,64)\ncompiler: clang -fPIC -arch arm64 -O3 -Wall -DL_ENDIAN -DOPENSSL_PIC -D_REENTRANT -DOPENSSL_BUILDING_OPENSSL -DNDEBUG\nOPENSSLDIR: \"\/opt\/homebrew\/etc\/openssl@3\"\nENGINESDIR: \"\/opt\/homebrew\/Cellar\/openssl@3\/3.0.5\/lib\/engines-3\"\nMODULESDIR: \"\/opt\/homebrew\/Cellar\/openssl@3\/3.0.5\/lib\/ossl-modules\"\nSeeding source: os-specific\nCPUINFO: OPENSSL_armcap=0x7f<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Why Mac OSX default OpenSSL is version 2 which not support TLS 1.3 by default. We have to force install&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[],"_links":{"self":[{"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/posts\/4680"}],"collection":[{"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/comments?post=4680"}],"version-history":[{"count":2,"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/posts\/4680\/revisions"}],"predecessor-version":[{"id":4682,"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/posts\/4680\/revisions\/4682"}],"wp:attachment":[{"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/media?parent=4680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/categories?post=4680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ookangzheng.com\/wp-json\/wp\/v2\/tags?post=4680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}