{"id":97633,"date":"2020-10-20T02:42:47","date_gmt":"2020-10-20T00:42:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/private-psk-pre-shared-key-osobennosti-i-vozmozhnosti-platformy-extremecloud-iq"},"modified":"2020-10-20T02:42:47","modified_gmt":"2020-10-20T00:42:47","slug":"private-psk-pre-shared-key-osobennosti-i-vozmozhnosti-platformy-extremecloud-iq","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/private-psk-pre-shared-key-osobennosti-i-vozmozhnosti-platformy-extremecloud-iq","title":{"rendered":"Priv\u00e1t PSK (El\u0151re megosztott kulcs) \u2013 az ExtremeCloud IQ platform saj\u00e1toss\u00e1gai \u00e9s lehet\u0151s\u00e9gei","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A WPA3 m\u00e1r elfogad\u00e1sra ker\u00fclt, \u00e9s 2020 j\u00falius\u00e1t\u00f3l k\u00f6telez\u0151 a WiFi-Alliance \u00e1ltal tan\u00fas\u00edtott eszk\u00f6z\u00f6k sz\u00e1m\u00e1ra, a WPA2-t azonban senki sem t\u00f6r\u00f6lte \u00e9s nem is tervezi. Mind a WPA2, mind a WPA3 t\u00e1mogatja a PSK \u00e9s Enterprise \u00fczemm\u00f3dokat, de cikk\u00fcnkben a Private PSK technol\u00f3gi\u00e1t \u00e9s a seg\u00edts\u00e9g\u00e9vel el\u00e9rhet\u0151 el\u0151ny\u00f6ket szeretn\u00e9nk megvizsg\u00e1lni.<\/p>\n<p><img decoding=\"async\" alt=\"Priv\u00e1t PSK (El\u0151re megosztott kulcs) \u2013 az ExtremeCloud IQ platform saj\u00e1toss\u00e1gai \u00e9s lehet\u0151s\u00e9gei\" src=\"\/wp-content\/uploads\/2020\/10\/098108c3884a2214168bd2d320d8e9f9.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nA WPA2-Personal probl\u00e9m\u00e1i r\u00e9g\u00f3ta ismertek, \u00e9s f\u0151leg m\u00e1r jav\u00edtott\u00e1k is \u0151ket (Priority Management Frames, jav\u00edt\u00e1sok a KRACK sebezhet\u0151s\u00e9ge ellen stb.). A WPA2 PSK haszn\u00e1lat\u00e1val kapcsolatos legnagyobb h\u00e1tr\u00e1ny az, hogy a gyenge jelszavak viszonylag k\u00f6nnyen felt\u00f6rhet\u0151k sz\u00f3t\u00e1ri t\u00e1mad\u00e1ssal. Ha a jelsz\u00f3 kompromitt\u00e1l\u00f3dik \u00e9s \u00fajra kell konfigur\u00e1lni, akkor az \u00f6sszes csatlakoztatott eszk\u00f6zt (\u00e9s hozz\u00e1f\u00e9r\u00e9si pontokat) \u00fajra kell \u00e1ll\u00edtani, ami meglehet\u0151sen id\u0151ig\u00e9nyes folyamat lehet (a \u201egyenge jelsz\u00f3\u201d probl\u00e9ma megold\u00e1s\u00e1ra a WiFi-Alliance 20 karakterb\u0151l \u00e1ll\u00f3 vagy ann\u00e1l hosszabb jelszavak haszn\u00e1lat\u00e1t javasolja).<\/p>\n<p>Egy m\u00e1sik k\u00e9rd\u00e9s, amit n\u00e9ha nem lehet megoldani a WPA2-Personal haszn\u00e1lat\u00e1val, az a k\u00fcl\u00f6nb\u00f6z\u0151 profilok (vlan, QoS, t\u0171zfal\u2026) hozz\u00e1rendel\u00e9se az egy azonos SSID-vel csatlakoztatott eszk\u00f6z\u00f6k csoportjaihoz.<\/p>\n<p>A WPA2-Enterprise seg\u00edts\u00e9g\u00e9vel megoldhat\u00f3ak az eddig eml\u00edtett probl\u00e9m\u00e1k, de ennek \u00e1ra:<\/p>\n<ul>\n<li>A PKI (Public Key Infrastructure) \u00e9s biztons\u00e1gi tan\u00fas\u00edtv\u00e1nyok megl\u00e9t\u00e9nek vagy telep\u00edt\u00e9s\u00e9nek sz\u00fcks\u00e9gess\u00e9ge;<\/li>\n<li>Probl\u00e9m\u00e1k mer\u00fclhetnek fel a telep\u00edt\u00e9s sor\u00e1n;<\/li>\n<li>Probl\u00e9m\u00e1k mer\u00fclhetnek fel a hibakeres\u00e9s sor\u00e1n;<\/li>\n<li>Nem optim\u00e1lis megold\u00e1s IoT eszk\u00f6z\u00f6k vagy vend\u00e9g hozz\u00e1f\u00e9r\u00e9s sz\u00e1m\u00e1ra.<\/li>\n<\/ul>\n<p>\nA WPA2-Personal probl\u00e9m\u00e1inak radik\u00e1lisabb megold\u00e1sa a WPA3-ra val\u00f3 v\u00e1lt\u00e1s, amelynek f\u0151 fejleszt\u00e9se a SAE (Simultaneous Authentication of Equals) \u00e9s statikus PSK haszn\u00e1lata. A WPA3-Personal megoldja a \u201esz\u00f3t\u00e1ri t\u00e1mad\u00e1s\u201d probl\u00e9m\u00e1j\u00e1t, de nem biztos\u00edt egyedi azonos\u00edt\u00e1st az azonos\u00edt\u00e1s sor\u00e1n, \u00e9s ennek megfelel\u0151en nem teszi lehet\u0151v\u00e9 a profilok hozz\u00e1rendel\u00e9s\u00e9t (mivel tov\u00e1bbra is k\u00f6z\u00f6s statikus jelsz\u00f3t haszn\u00e1lnak).<\/p>\n<p><img decoding=\"async\" alt=\"Priv\u00e1t PSK (El\u0151re megosztott kulcs) \u2013 az ExtremeCloud IQ platform saj\u00e1toss\u00e1gai \u00e9s lehet\u0151s\u00e9gei\" src=\"\/wp-content\/uploads\/2020\/10\/6ea0cbf3ec9e5f2decef500cf9a04cd1.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nEmellett figyelembe kell venni, hogy a megl\u00e9v\u0151 kliensek t\u00f6bb mint 95%-a jelenleg nem t\u00e1mogatja a WPA3-at \u00e9s a SAE-t, mik\u00f6zben a WPA2 sikeresen m\u0171k\u00f6dik milli\u00e1rdnyi m\u00e1r kiadott eszk\u00f6z\u00f6n.<\/p>\n<p>Ahhoz, hogy megold\u00e1st tal\u00e1ljunk a fent eml\u00edtett l\u00e9tez\u0151 vagy potenci\u00e1lis probl\u00e9m\u00e1kra, az Extreme Networks kifejlesztette a Private Pre-Shared Key (PPSK) technol\u00f3gi\u00e1t. A PPSK b\u00e1rmely WPA2-PSK-t t\u00e1mogat\u00f3 Wi-Fi klienssel kompatibilis, \u00e9s olyan biztons\u00e1gi szintet k\u00edn\u00e1l, amely \u00f6sszehasonl\u00edthat\u00f3 a WPA2-Enterprise haszn\u00e1lat\u00e1val el\u00e9rhet\u0151 szinttel, an\u00e9lk\u00fcl hogy sz\u00fcks\u00e9g lenne az 802.1X\/EAP infrastrukt\u00fara ki\u00e9p\u00edt\u00e9s\u00e9re. A Private PSK l\u00e9nyeg\u00e9ben WPA2-PSK, de minden felhaszn\u00e1l\u00f3 (vagy felhaszn\u00e1l\u00f3i csoport) saj\u00e1t dinamikusan gener\u00e1lt jelsz\u00f3t kaphat. A PPSK kezel\u00e9se nem k\u00fcl\u00f6nb\u00f6zik a PSK kezel\u00e9s\u00e9t\u0151l, mivel az eg\u00e9sz folyamat automatiz\u00e1lt. A kulcsadatb\u00e1zis lok\u00e1lisan a hozz\u00e1f\u00e9r\u00e9si pontokon vagy a felh\u0151ben t\u00e1rolhat\u00f3.<\/p>\n<p><img decoding=\"async\" alt=\"Priv\u00e1t PSK (El\u0151re megosztott kulcs) \u2013 az ExtremeCloud IQ platform saj\u00e1toss\u00e1gai \u00e9s lehet\u0151s\u00e9gei\" src=\"\/wp-content\/uploads\/2020\/10\/878f418cf07e2ffd94d22cd5b42388fd.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nA jelszavak automatikusan gener\u00e1lhat\u00f3k, van lehet\u0151s\u00e9g rugalmasan megadni a hossz\u00fas\u00e1gukat\/\u00e1ll\u00f3k\u00e9pess\u00e9g\u00fcket, id\u0151szakukat vagy \u00e9rv\u00e9nyess\u00e9g\u00fcket, valamint a felhaszn\u00e1l\u00f3hoz val\u00f3 eljuttat\u00e1s m\u00f3dj\u00e1t (e-mailben vagy SMS-ben):<\/p>\n<p><img decoding=\"async\" alt=\"Priv\u00e1t PSK (El\u0151re megosztott kulcs) \u2013 az ExtremeCloud IQ platform saj\u00e1toss\u00e1gai \u00e9s lehet\u0151s\u00e9gei\" src=\"\/wp-content\/uploads\/2020\/10\/0ba90a70c476ab853bf564816c16f3cb.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <img decoding=\"async\" alt=\"Priv\u00e1t PSK (El\u0151re megosztott kulcs) \u2013 az ExtremeCloud IQ platform saj\u00e1toss\u00e1gai \u00e9s lehet\u0151s\u00e9gei\" src=\"\/wp-content\/uploads\/2020\/10\/c826ae0d8971d2e997ab8fd9d7c3f160.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nBe\u00e1ll\u00edthat\u00f3 a maximum klienssz\u00e1m is, akik egy PPSK-n kereszt\u00fcl csatlakozhatnak, vagy ak\u00e1r \u201eMAC-binding\u201d is be\u00e1ll\u00edthat\u00f3 a csatlakoz\u00f3 eszk\u00f6z\u00f6kn\u00e9l. A h\u00e1l\u00f3zati adminisztr\u00e1tor parancs\u00e1ra b\u00e1rmely kulcs k\u00f6nnyen visszavonhat\u00f3, \u00e9s a h\u00e1l\u00f3zati hozz\u00e1f\u00e9r\u00e9s meg lesz tagadva an\u00e9lk\u00fcl, hogy az \u00f6sszes t\u00f6bbi eszk\u00f6zt \u00fajra kellene konfigur\u00e1lni. Ha a kulcs visszavon\u00e1s\u00e1nak pillanat\u00e1ban a kliens csatlakozik, a hozz\u00e1f\u00e9r\u00e9si pont automatikusan megszak\u00edtja a h\u00e1l\u00f3zatba val\u00f3 csatlakoz\u00e1st.<\/p>\n<p>A PPSK f\u0151bb el\u0151nyei a k\u00f6vetkez\u0151ek:<\/p>\n<ul>\n<li>a magas szint\u0171 biztons\u00e1g mellett az egyszer\u0171 haszn\u00e1lat;<\/li>\n<li>a sz\u00f3t\u00e1ri t\u00e1mad\u00e1sok elleni v\u00e9delem hossz\u00fa \u00e9s ellen\u00e1ll\u00f3 jelszavakkal, amelyeket az ExtremeCloudIQ automatikusan k\u00e9pes gener\u00e1lni \u00e9s k\u00fcldeni;<\/li>\n<li>k\u00fcl\u00f6nb\u00f6z\u0151 biztons\u00e1gi profilok hozz\u00e1rendel\u00e9se elt\u00e9r\u0151 eszk\u00f6z\u00f6kh\u00f6z, amelyek ugyanahhoz a SSID-hez csatlakoznak;<\/li>\n<li>kiv\u00e1l\u00f3an alkalmas a biztons\u00e1gos vend\u00e9ghozz\u00e1f\u00e9r\u00e9shez;<\/li>\n<li>kiv\u00e1l\u00f3an alkalmas biztons\u00e1gos hozz\u00e1f\u00e9r\u00e9sre, ha az eszk\u00f6z\u00f6k nem t\u00e1mogatj\u00e1k az 802.1X \/ EAP-t (k\u00e9zi szkenner vagy IoT\/VoWiFi eszk\u00f6z\u00f6k);<\/li>\n<li>t\u00f6bb mint 10 \u00e9ve t\u00f6rt\u00e9n\u0151 sikeres haszn\u00e1lat \u00e9s fejleszt\u00e9s.<\/li>\n<\/ul>\n<p>\nB\u00e1rmilyen felmer\u00fcl\u0151 vagy megmaradt k\u00e9rd\u00e9st mindig fel lehet tenni irod\u00e1nk munkat\u00e1rsainak \u2013 <noindex><a rel=\"nofollow\" href=\"mailto:\/\/cis@extremenetworks.com\">cis@extremenetworks.com<\/a><\/noindex>.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/extremenetworks\/blog\/523890\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>WPA3 \u0443\u0436\u0435 \u043f\u0440\u0438\u043d\u044f\u0442, \u0438 \u0441 \u0438\u044e\u043b\u044f 2020 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u0435\u043d \u0434\u043b\u044f \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0442 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e \u0432 WiFi-Alliance, WPA2 \u043d\u0438\u043a\u0442\u043e \u043d\u0435 \u043e\u0442\u043c\u0435\u043d\u044f\u043b \u0438 \u043d\u0435 \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u0442\u0441\u044f. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0438 WPA2, \u0438 WPA3 \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u0432 \u0440\u0435\u0436\u0438\u043c\u0430\u0445 PSK \u0438 Enterprise, \u043d\u043e \u043c\u044b \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0432 \u043d\u0430\u0448\u0435\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e Private PSK, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0441 \u0435\u0451 \u043f\u043e\u043c\u043e\u0449\u044c\u044e. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":97634,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-97633","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"WPA3 \u0443\u0436\u0435 \u043f\u0440\u0438\u043d\u044f\u0442, \u0438 \u0441 \u0438\u044e\u043b\u044f 2020 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