A k\u00f6z\u00f6ss\u00e9g \u00e1ltal vez\u00e9relt, nonprofit Let's Encrypt tan\u00fas\u00edtv\u00e1ny-kibocs\u00e1t\u00f3 k\u00f6zpont d\u00f6nt\u00e9st hozott az OCSP (Online Certificate Status Protocol) t\u00e1mogat\u00e1s\u00e1nak le\u00e1ll\u00edt\u00e1s\u00e1r\u00f3l, amelyet a tan\u00fas\u00edtv\u00e1nyok visszavon\u00e1s\u00e1nak ellen\u0151rz\u00e9s\u00e9re haszn\u00e1lnak. Az OCSP protokoll helyett a Let's Encrypt 2022 \u00f3ta nyilv\u00e1noss\u00e1gra hozta a visszavont tan\u00fas\u00edtv\u00e1nyok list\u00e1it (CRL - Certificate Revocation List). 2025. m\u00e1jus 7-\u00e9n a Let's Encrypt le\u00e1ll\u00edtja az OCSP c\u00edmek hivatkoz\u00e1sainak hozz\u00e1ad\u00e1s\u00e1t a kiadott tan\u00fas\u00edtv\u00e1nyokhoz, \u00e9s megsz\u00fcnteti az OCSP Must Staple kiterjeszt\u00e9ssel kapcsolatos k\u00e9rd\u00e9sek feldolgoz\u00e1s\u00e1t. 2025. augusztus 6-\u00e1n az OCSP-keres\u0151k deaktiv\u00e1l\u00e1sra ker\u00fclnek a szervereken. <\/p>\n
Az OCSP t\u00e1mogat\u00e1s\u00e1nak le\u00e1ll\u00edt\u00e1s\u00e1nak okak\u00e9nt a mag\u00e1n\u00e9let v\u00e9delm\u00e9t eml\u00edtik. Az OCSP haszn\u00e1lata azt jelenti, hogy minden egyes v\u00e9dett kapcsolat l\u00e9tes\u00edt\u00e9sekor a kliensrendszer k\u00e9rd\u00e9st k\u00fcld az OCSP szerverhez, amely a tan\u00fas\u00edtv\u00e1nyt kibocs\u00e1totta, a tan\u00fas\u00edtv\u00e1ny \u00e9rv\u00e9nyess\u00e9g\u00e9nek ellen\u0151rz\u00e9s\u00e9re. Erre a szerver a megadott tan\u00fas\u00edtv\u00e1ny megb\u00edzhat\u00f3s\u00e1g\u00e1r\u00f3l ny\u00fajt inform\u00e1ci\u00f3t. A probl\u00e9ma az, hogy az igazol\u00f3 k\u00f6zpont inform\u00e1ci\u00f3t kap arr\u00f3l, mikor \u00e9s milyen webhelyeket l\u00e1togat a felhaszn\u00e1l\u00f3, \u00f6sszekapcsolva az \u0151 IP-c\u00edm alapj\u00e1n hat\u00e1rozza meg a helyet<\/a>, ami adatv\u00e9delmi inform\u00e1ci\u00f3k kisziv\u00e1rg\u00e1sak\u00e9nt \u00e9rtelmezhet\u0151. Tov\u00e1bb\u00e1 az OCSP haszn\u00e1lata k\u00e9sleltet\u00e9st okoz a k\u00e9r\u00e9s feldolgoz\u00e1s\u00e1ban, garant\u00e1lt h\u00e1l\u00f3zati hozz\u00e1f\u00e9r\u00e9st ig\u00e9nyel a felhaszn\u00e1l\u00f3t\u00f3l \u00e9s f\u00fcgg\u0151s\u00e9get teremt az OCSP-szerverek folyamatos \u00fczemel\u00e9s\u00e9t\u0151l. <\/p>\n A tan\u00fas\u00edtv\u00e1nyok visszavon\u00e1s\u00e1nak ellen\u0151rz\u00e9s\u00e9vel kapcsolatos adatv\u00e9delmi probl\u00e9m\u00e1k megold\u00e1s\u00e1ra kifejlesztett OCSP Stapling technol\u00f3gia l\u00e9nyege, hogy az igazol\u00f3 k\u00f6zpont \u00e1ltal meger\u0151s\u00edtett OCSP v\u00e1laszok \u00e1tadhat\u00f3k az webszervereknek a klienssel val\u00f3 TLS kapcsolat l\u00e9tes\u00edt\u00e9se sor\u00e1n (az OCSP adatok \u00e1tvitele a szerverek<\/a> weboldalakra elt\u00e1vol\u00edtja a kliensrendszer k\u00f6zvetlen kapcsolat\u00e1t az igazol\u00f3 k\u00f6zpont OCSP szerver\u00e9vel, m\u00edg a v\u00e1laszok helyess\u00e9g\u00e9t az igazol\u00f3 k\u00f6zpont digit\u00e1lis al\u00e1\u00edr\u00e1sa biztos\u00edtja). <\/p>\n Az OCSP Stapling mellett l\u00e9tezik a tan\u00fas\u00edtv\u00e1nyokba be\u00e9p\u00edtett OCSP Must Staple kiterjeszt\u00e9s, amely el\u0151\u00edrja a b\u00f6ng\u00e9sz\u0151k sz\u00e1m\u00e1ra, hogy az OCSP Stapling technik\u00e1t haszn\u00e1lj\u00e1k, ahelyett, hogy k\u00f6zvetlen\u00fcl az OCSP-szerverekhez forduln\u00e1nak, \u00e9s megk\u00f6veteli, hogy a tan\u00fas\u00edtv\u00e1ny megb\u00edzhatatlannak min\u0151s\u00fclj\u00f6n, ha a kiszolg\u00e1l\u00f3 nem k\u00fcld\u00f6tt hiteles\u00edtett OCSP v\u00e1laszt. Sajnos a Must Staple kiterjeszt\u00e9s nem terjedt el sz\u00e9les k\u00f6rben a b\u00f6ng\u00e9sz\u0151kben, \u00e9s az OCSP Stapling technol\u00f3gia a HTTP-szerverek oldal\u00e1n t\u00f6rt\u00e9n\u0151 explicit t\u00e1mogat\u00e1s bekapcsol\u00e1s\u00e1t ig\u00e9nyli (az nginx-ben 2013 \u00f3ta t\u00e1mogatott). <\/p>\n A CRL haszn\u00e1lata sor\u00e1n a tan\u00fas\u00edtv\u00e1nyok visszavon\u00e1s\u00e1nak ellen\u0151rz\u00e9se a lok\u00e1lis rendszeren t\u00f6rt\u00e9nik, a tan\u00fas\u00edtv\u00e1ny-kibocs\u00e1t\u00f3 \u00e1ltal l\u00e9trehozott list\u00e1k alapj\u00e1n. Ez a megk\u00f6zel\u00edt\u00e9s h\u00e1tr\u00e1nyai k\u00f6z\u00e9 tartozik a let\u00f6lt\u00f6tt adatok nagyon nagy m\u00e9rete \u00e9s a h\u00edrek id\u0151szakos elavults\u00e1ga (p\u00e9ld\u00e1ul a Firefoxban az adatok 6 \u00f3r\u00e1nk\u00e9nt friss\u00fclnek). A m\u00e9ret probl\u00e9m\u00e1j\u00e1t a b\u00f6ng\u00e9sz\u0151k megoldj\u00e1k a CRL proxiz\u00e1s\u00e1val a b\u00f6ng\u00e9sz\u0151gy\u00e1rt\u00f3k szerverein - a b\u00f6ng\u00e9sz\u0151k alap CRL-t tartalmaznak, amely az \u00fczemel\u00e9s sor\u00e1n id\u0151r\u0151l id\u0151re szinkroniz\u00e1l\u00f3dik a friss list\u00e1val (csak a megv\u00e1ltozott adatokat tov\u00e1bb\u00edtj\u00e1k a kliens rendszer\u00e9re). A CRL adatb\u00e1zis m\u00e9ret\u00e9nek cs\u00f6kkent\u00e9s\u00e9re val\u00f3sz\u00edn\u0171s\u00e9gi strukt\u00far\u00e1t, a Bloom-filt\u00e1rt alkalmaznak, amely lehet\u0151v\u00e9 teszi a CRL teljes adatb\u00e1zis\u00e1nak nagyon kompakt form\u00e1ban t\u00f6rt\u00e9n\u0151 t\u00e1rol\u00e1s\u00e1t a kliens oldal\u00e1n. A Firefoxban hasonl\u00f3 technik\u00e1t val\u00f3s\u00edtanak meg a CRLite eszk\u00f6zk\u00e9szlettel, m\u00edg a Chrome a CRLSets-t alkalmazza. \u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Let’s Encrypt, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c, \u043f\u0440\u0438\u043d\u044f\u043b \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 OCSP (Online Certificate Status Protocol), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043e\u0442\u0437\u044b\u0432\u0430 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432. \u0412\u043c\u0435\u0441\u0442\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 OCSP \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u043f\u0438\u0441\u043a\u0438 \u043e\u0442\u043e\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 (CRL — Certificate Revocation List), \u043f\u0443\u0431\u043b\u0438\u043a\u0443\u0435\u043c\u044b\u0435 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u043c Let’s Encrypt \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 2022 \u0433\u043e\u0434\u0430. 7 \u043c\u0430\u044f 2025 \u0433\u043e\u0434\u0430 Let’s Encrypt […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-120904","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Let's Encrypt megsz\u00fcnteti az OCSP protokoll t\u00e1mogat\u00e1s\u00e1t a visszavont tan\u00fas\u00edtv\u00e1nyok ellen\u0151rz\u00e9s\u00e9hez | ProHoster","description":"A Let's Encrypt, egy k\u00f6z\u00f6ss\u00e9g \u00e1ltal ellen\u0151rz\u00f6tt nonprofit igazol\u00f3 k\u00f6zpont, amely ingyenes tan\u00fas\u00edtv\u00e1nyokat k\u00edn\u00e1l mindenkinek, \u00fagy d\u00f6nt\u00f6tt, hogy megsz\u00fcnteti az OCSP (Online Certificate Status Protocol) t\u00e1mogat\u00e1s\u00e1t.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/lets-encrypt-prekrashhaet-podderzhku-protokola-ocsp-dlya-proverki-otozvannyh-sertifikatov","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Let's Encrypt \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0430\u0435\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 OCSP \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043e\u0442\u043e\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 | ProHoster","og:description":"\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Let's Encrypt, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c, \u043f\u0440\u0438\u043d\u044f\u043b \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 OCSP (Online Certificate Status.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/lets-encrypt-prekrashhaet-podderzhku-protokola-ocsp-dlya-proverki-otozvannyh-sertifikatov","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2024-12-09T13:46:00+00:00","article:modified_time":"2024-12-09T13:46:00+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"120904","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-02-09 17:38:18","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2026-01-23 08:45:20","updated":"2026-02-09 17:38:18","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/120904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=120904"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/120904\/revisions"}],"predecessor-version":[{"id":159219,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/120904\/revisions\/159219"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=120904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=120904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=120904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"