{"id":36033,"date":"2019-10-31T22:09:16","date_gmt":"2019-10-31T19:09:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-gnupg-2-2-17-s-izmeneniyami-dlya-protivostoyaniya-atake-na-servery-klyuchej\/"},"modified":"2019-10-31T22:09:16","modified_gmt":"2019-10-31T19:09:16","slug":"vypusk-gnupg-2-2-17-s-izmeneniyami-dlya-protivostoyaniya-atake-na-servery-klyuchej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gnupg-2-2-17-s-izmeneniyami-dlya-protivostoyaniya-atake-na-servery-klyuchej","title":{"rendered":"A GnuPG 2.2.17 kiad\u00e1s v\u00e1ltoz\u00e1sokkal a kulcskiszolg\u00e1l\u00f3k elleni t\u00e1mad\u00e1sokkal szemben","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelent<\/a><\/noindex> eszk\u00f6zk\u00e9szlet kiad\u00e1sa GnuPG 2.2.17<\/a><\/noindex> (GNU Privacy Guard), amely kompatibilis az OpenPGP (RFC-4880<\/a><\/noindex>) \u00e9s S\/MIME szabv\u00e1nyokkal, \u00e9s eszk\u00f6z\u00f6ket biztos\u00edt az adatok titkos\u00edt\u00e1s\u00e1ra, elektronikus al\u00e1\u00edr\u00e1sok kezel\u00e9s\u00e9re, kulcsok kezel\u00e9s\u00e9re \u00e9s a nyilv\u00e1nos kulcst\u00e1rakhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9sre. Ne feledj\u00fck, hogy a GnuPG 2.2 \u00e1g\u00e1t \u00e1ltal\u00e1ban fejleszt\u00e9si kiad\u00e1snak tekintik, amelyben folyamatosan \u00faj lehet\u0151s\u00e9gek ker\u00fclnek hozz\u00e1ad\u00e1sra; a 2.1 \u00e1gban csak hibajav\u00edt\u00f3 friss\u00edt\u00e9sek enged\u00e9lyezettek.<\/p>\n

Az \u00faj kiad\u00e1s int\u00e9zked\u00e9seket javasol a kulcskiszolg\u00e1l\u00f3k elleni t\u00e1mad\u00e1sokkal<\/a><\/noindex>, amelyek a GnuPG megfagy\u00e1s\u00e1hoz vezetnek, \u00e9s megakad\u00e1lyozz\u00e1k a tov\u00e1bbi m\u0171k\u00f6d\u00e9st, am\u00edg a probl\u00e9m\u00e1s tan\u00fas\u00edtv\u00e1nyt el nem t\u00e1vol\u00edtj\u00e1k a helyi t\u00e1rol\u00f3b\u00f3l, vagy am\u00edg a tan\u00fas\u00edtv\u00e1nyok t\u00e1rol\u00f3j\u00e1t \u00fajra nem hozz\u00e1k l\u00e9tre ellen\u0151rz\u00f6tt nyilv\u00e1nos kulcsok alapj\u00e1n. A hozz\u00e1adott v\u00e9delem alapja, hogy alap\u00e9rtelmez\u00e9s szerint teljesen figyelmen k\u00edv\u00fcl hagyja az \u00f6sszes k\u00fcls\u0151 digit\u00e1lis al\u00e1\u00edr\u00e1st, amelyek tan\u00fas\u00edtv\u00e1nyokat a kulcst\u00e1rol\u00f3k szerver\u00e9r\u0151l szereztek be. Ne feledj\u00fck, hogy b\u00e1rmely felhaszn\u00e1l\u00f3 hozz\u00e1adhatja a digit\u00e1lis al\u00e1\u00edr\u00e1s\u00e1t b\u00e1rmilyen tan\u00fas\u00edtv\u00e1nyhoz a kulcst\u00e1rol\u00f3n, amit a kiberb\u0171n\u00f6z\u0151k arra haszn\u00e1lnak, hogy a c\u00e9lzott tan\u00fas\u00edtv\u00e1nyhoz hatalmas mennyis\u00e9g\u0171 al\u00e1\u00edr\u00e1st hozzanak l\u00e9tre (t\u00f6bb mint sz\u00e1zezer), amelyek feldolgoz\u00e1sa megzavarja a GnuPG norm\u00e1lis m\u0171k\u00f6d\u00e9s\u00e9t.<\/p>\n

A harmadik f\u00e9l digit\u00e1lis al\u00e1\u00edr\u00e1sainak figyelmen k\u00edv\u00fcl hagy\u00e1sa a \u201eself-sigs-only\u201d lehet\u0151s\u00e9ggel szab\u00e1lyozhat\u00f3, amely lehet\u0151v\u00e9 teszi, hogy a kulcsokhoz csak a tulajdonosok saj\u00e1t al\u00e1\u00edr\u00e1sait lehessen felt\u00f6lteni. A r\u00e9gi m\u0171k\u00f6d\u00e9s helyre\u00e1ll\u00edt\u00e1s\u00e1hoz a gpg.conf f\u00e1jlba hozz\u00e1adhat egy be\u00e1ll\u00edt\u00e1st: \u201ekeyserver-options no-self-sigs-only,no-import-clean\u201d. Ha a m\u0171k\u00f6d\u00e9s sor\u00e1n a szoftver meg\u00e1llap\u00edtja, hogy a blokkimport\u00e1l\u00e1s a helyi t\u00e1rol\u00f3ra (pubring.kbx) n\u00e9zve t\u00falcsordul\u00e1st eredm\u00e9nyez, a GnuPG automatikusan akt\u00edvv\u00e1 teszi a digit\u00e1lis al\u00e1\u00edr\u00e1sok figyelmen k\u00edv\u00fcl hagy\u00e1s\u00e1nak m\u00f3dj\u00e1t (\u201eself-sigs-only,import-clean\u201d), ahelyett, hogy hib\u00e1t jelezne. <\/p>\n

A kulcsok friss\u00edt\u00e9s\u00e9hez az al\u00e1bbi mechanizmus haszn\u00e1lat\u00e1val Web Key Directory<\/a><\/noindex> (WKD) hozz\u00e1adva a \u201e\u2014locate-external-key\u201d opci\u00f3t, amelyet a tan\u00fas\u00edtv\u00e1nyt\u00e1r \u00fajraalkot\u00e1s\u00e1ra haszn\u00e1lhatunk ellen\u0151rz\u00f6tt nyilv\u00e1nos kulcsok alapj\u00e1n. A \u201e\u2014auto-key-retrieve\u201d m\u0171velet v\u00e9grehajt\u00e1sakor a WKD mechanizmus most m\u00e1r el\u0151ny\u00f6sebb, mint a kulcskiszolg\u00e1l\u00f3k. A WKD m\u0171k\u00f6d\u00e9s\u00e9nek l\u00e9nyege, hogy a weben nyilv\u00e1nos kulcsokat helyeznek el a kulcsokat meghat\u00e1roz\u00f3 domainnel \u00f6sszekapcsolva, amely szerepel az e-mail c\u00edmben. P\u00e9ld\u00e1ul a \u201etest@example.com\u201d c\u00edm eset\u00e9ben a kulcs let\u00f6lthet\u0151 a k\u00f6vetkez\u0151 linken: \u201ehttps:\/\/example.com\/.well-known\/openpgpkey\/hu\/183d7d5ab73cfceece9a5594e6039d5a\u201d.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f GnuPG 2.2.17 (GNU Privacy Guard), \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u0441\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c\u0438 OpenPGP (RFC-4880) \u0438 S\/MIME, \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445, \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u044b\u043c\u0438 \u043f\u043e\u0434\u043f\u0438\u0441\u044f\u043c\u0438, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043b\u044e\u0447\u0430\u043c\u0438 \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u043c \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430\u043c \u043a\u043b\u044e\u0447\u0435\u0439. \u041d\u0430\u043f\u043e\u043c\u043d\u0438\u043c, \u0447\u0442\u043e \u0432\u0435\u0442\u043a\u0430 GnuPG 2.2 \u043f\u043e\u0437\u0438\u0446\u0438\u043e\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u044e\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438, \u0432 \u0432\u0435\u0442\u043a\u0435 2.1 \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f. […]<\/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-36033","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 GnuPG 2.2.17 kiad\u00e1s a kulcsszerverek elleni t\u00e1mad\u00e1sok elleni v\u00e1ltoztat\u00e1sokkal | ProHoster","description":"Megjelent a GnuPG eszk\u00f6zrendszer verzi\u00f3ja.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gnupg-2-2-17-s-izmeneniyami-dlya-protivostoyaniya-atake-na-servery-klyuchej","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\udd47\u0412\u044b\u043f\u0443\u0441\u043a GnuPG 2.2.17 \u0441 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0435 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u043a\u043b\u044e\u0447\u0435\u0439 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f GnuPG.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-gnupg-2-2-17-s-izmeneniyami-dlya-protivostoyaniya-atake-na-servery-klyuchej","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":"2019-10-31T19:09:16+00:00","article:modified_time":"2019-10-31T19:09:16+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"36033","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":null,"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":"2026-01-22 01:43:20","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:51:23","updated":"2026-01-22 01:43:20","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\/36033","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=36033"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/36033\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=36033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=36033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=36033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}