{"id":17717,"date":"2020-03-05T11:30:56","date_gmt":"2020-03-05T10:30:56","guid":{"rendered":"https:\/\/www.websupport.sk\/blog\/?p=17717"},"modified":"2025-03-11T21:07:41","modified_gmt":"2025-03-11T20:07:41","slug":"tls-1-0-1-1","status":"publish","type":"post","link":"https:\/\/www.websupport.sk\/blog\/2020\/03\/tls-1-0-1-1\/","title":{"rendered":"Zbohom TLS 1.0\/1.1"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\"><b>Doba \u010d\u00edtania:<\/b><\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\n<p>V t\u00fdchto d\u0148och m\u00f4\u017eete na viacer\u00fdch miestach narazi\u0165 na inform\u00e1cie o (ne)podpore protokolu TLS 1.0 a 1.1. Kruh sa po rokoch uzatv\u00e1ra a prid\u00e1va sa aj WebSupport. Na hostingov\u00fdch serveroch pl\u00e1nujeme vypn\u00fa\u0165 podporu TLS 1.0 a 1.1. Ide o roky star\u00e9 protokoly, ktor\u00e9 nesp\u013a\u0148aj\u00fa s\u00fa\u010dasn\u00e9 bezpe\u010dnostn\u00e9 krit\u00e9ria. <\/p>\n\n\n\n<!--more-->\n\n\n\n<p>TLS (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Transport_Layer_Security\">Transport Layer Security<\/a> ) verzie 1.0 poch\u00e1dza z roku 1999, nahradilo protokol SSL 3.0. V roku 2006 pri\u0161la \u010fal\u0161ia verzia TLS 1.1. Obe pou\u017e\u00edvaj\u00fa prekonan\u00e9 algoritmy\/funkcie<a href=\"https:\/\/en.wikipedia.org\/wiki\/MD5\"> MD5<\/a> a<a href=\"https:\/\/en.wikipedia.org\/wiki\/SHA-1\"> SHA-1<\/a>. A dne\u0161n\u00fdm bezpe\u010dnostn\u00fdm \u0161tandardom nevyhovuj\u00fa.<\/p>\n\n\n\n<p>Za bezpe\u010dn\u00fa sa pova\u017euje a\u017e verzia <strong>TLS 1.2<\/strong> z roku 2008 (mimochodom prerekvizita k <a href=\"https:\/\/www.websupport.sk\/blog\/2016\/01\/nasadili-sme-rychlejsie-a-bezpecnejsie-http2\/\">HTTP\/2<\/a> zlep\u0161uj\u00face v\u00fdkon) a najnov\u0161ia verzia <strong>TLS 1.3 <\/strong>z roku 2018. Na na\u0161ich serveroch ostan\u00fa dostupn\u00e9 u\u017e iba tieto 2 verzie. <\/p>\n\n\n\n<p>K ukon\u010deniu podpory TLS 1.0 a TLS 1.1 po\u010das marca 2020 pristupuj\u00fa aj glob\u00e1lni hr\u00e1\u010di: <a href=\"https:\/\/security.googleblog.com\/2018\/10\/modernizing-transport-security.html\">Google<\/a>, <a href=\"https:\/\/blogs.windows.com\/msedgedev\/2018\/10\/15\/modernizing-tls-edge-ie11\/\">Microsoft<\/a>, <a href=\"https:\/\/webkit.org\/blog\/8462\/deprecation-of-legacy-tls-1-0-and-1-1-versions\/\">Apple<\/a>, <a href=\"https:\/\/blog.mozilla.org\/security\/2018\/10\/15\/removing-old-versions-of-tls\/\">Mozilla<\/a> v ich webov\u00fdch prehliada\u010doch. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Platformy, ktor\u00e9 nepodporuj\u00fa TLS 1.2<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Android 4.3<\/strong> a star\u0161ie verzie<\/li><li><strong>Firefox version 5.0<\/strong> a star\u0161ie verzie<\/li><li><strong>Internet Explorer 8\u201310<\/strong> na <strong>Windows 7<\/strong> a star\u0161ie verzie<\/li><li><strong>Internet Explorer 10<\/strong> na <strong>Windows Phone 8.0<\/strong><\/li><li><strong>Safari 6.0.4\/OS X 10.8.4<\/strong> a star\u0161ie verzie<\/li><\/ul>\n\n\n\n<p>Pokia\u013e nepou\u017e\u00edvate vy\u0161\u0161ie uveden\u00e9 platformy, ste v bezpe\u010d\u00ed. Aj teraz u\u017e zrejme TLS 1.0\/1.1 nepou\u017e\u00edvate. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010co to znamen\u00e1 a dopady<\/h2>\n\n\n\n<p>Vo v\u0161eobecnosti je rie\u0161en\u00edm pou\u017e\u00edva\u0165 <strong>modern\u00e9 platformy \/ aktualizovan\u00e9 aplik\u00e1cie<\/strong>. Napr. Google Chrome 78+, Firefox 71+, Microsoft Edge\/Internet Explorer 11.  <\/p>\n\n\n\n<p>Ak pou\u017e\u00edvate na pripojenie\/prenos s\u00faborov <strong>vlastn\u00e9 aplik\u00e1cie<\/strong> e\u0161te st\u00e1le z\u00e1visl\u00e9 na TLS 1.0\/1.1, je potrebn\u00e9 zabezpe\u010di\u0165 zmenu ich nastaven\u00ed\/aktualiz\u00e1ciu. <\/p>\n\n\n\n<p><strong>Z h\u013eadiska bezpe\u010dnosti si prilep\u0161\u00edte.<\/strong> Napr. <a href=\"https:\/\/www.ssllabs.com\/ssltest\/\">SSL Labs<\/a> v\u0161etky weby s podporou TLS 1.0\/1.1 <a href=\"https:\/\/blog.qualys.com\/ssllabs\/2018\/11\/19\/grade-change-for-tls-1-0-and-tls-1-1-protocols\">penalizuje<\/a> &#8211; najlep\u0161ie mo\u017en\u00e9 hodnotenie je <strong>B<\/strong>. Po zmene by ste pri pou\u017eit\u00ed SSL a HTTPS mali bez probl\u00e9mov dosta\u0165 <strong>A hodnotenie<\/strong>. Podobn\u00fd test pon\u00faka aj <a href=\"https:\/\/www.cdn77.com\/tls-test\">https:\/\/www.cdn77.com\/tls-test<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1032\" height=\"523\" src=\"https:\/\/www.websupport.sk\/blogoads\/sites\/2\/2020\/03\/ssllabs-tls-10-11-penalty.png\" alt=\"SSL Labs penaliz\u00e1cia a hodnotenie &quot;B&quot; za podporu TLS 1.0\/1.1\" class=\"wp-image-17723\"\/><figcaption>Hodnotenie \u201cB\u201d s podporou TLS 1.0\/1.1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"996\" height=\"461\" src=\"https:\/\/www.websupport.sk\/blogoads\/sites\/2\/2020\/03\/ssllabs-tls-10-11-disabled-A.png\" alt=\"SSL Labs A hodnotenie po vypnut\u00ed TLS 1.0\/1.1\" class=\"wp-image-17822\"\/><figcaption>&#8222;A&#8220; hodnotenie po vypnut\u00ed TLS 1.0\/1.1<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u010eal\u0161ie vylep\u0161enia pre TLS 1.2<\/h2>\n\n\n\n<p>V \u010fal\u0161om kroku by sme chceli optimalizova\u0165 aj samotn\u00e9 TLS 1.2. A pozrie\u0165 sa na tzv. <em><strong>cipher suites<\/strong><\/em> ozna\u010den\u00e9 ako <strong>WEAK<\/strong> &#8211; slab\u00e9. Na\u0161a intern\u00e1 anal\u00fdza uk\u00e1zala, \u017ee 99,9% requestov je v poriadku a obmedzenia m\u00f4\u017eu nasta\u0165 iba pri <strong>&lt;0,01%<\/strong>. <\/p>\n\n\n\n<p>V\u00fdsledkom by malo by\u0165 e\u0161te lep\u0161ie hodnotenie a bezpe\u010dnos\u0165 va\u0161ich hostingov.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"891\" height=\"700\" src=\"https:\/\/www.websupport.sk\/blogoads\/sites\/2\/2020\/03\/ssllabs-weak-ciphers.png\" alt=\"\" class=\"wp-image-17906\"\/><figcaption>Slab\u00e9 cipher suites v TLS 1.2<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>V t\u00fdchto d\u0148och m\u00f4\u017eete na viacer\u00fdch miestach narazi\u0165 na inform\u00e1cie o (ne)podpore protokolu TLS 1.0 a 1.1. Kruh sa po rokoch uzatv\u00e1ra a prid\u00e1va sa aj WebSupport. Na hostingov\u00fdch serveroch pl\u00e1nujeme vypn\u00fa\u0165 podporu TLS 1.0 a 1.1. Ide o roky star\u00e9 protokoly, ktor\u00e9 nesp\u013a\u0148aj\u00fa s\u00fa\u010dasn\u00e9 bezpe\u010dnostn\u00e9 krit\u00e9ria.<\/p>\n","protected":false},"author":84,"featured_media":17741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,2855,7],"tags":[1172,797,948],"class_list":["post-17717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novinky","category-pouzivatel","category-technologie","tag-https","tag-ssl","tag-webhosting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zbohom TLS 1.0\/1.1 - Websupport blog<\/title>\n<meta name=\"description\" content=\"Na hostingov\u00fdch serveroch vyp\u00edname podporu TLS 1.0 a 1.1. 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