{"id":105412,"date":"2022-10-30T15:36:45","date_gmt":"2022-10-30T13:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-kodovuyu-bazu-freebsd-dobavlena-novaya-realizacziya-vpn-wireguard"},"modified":"2022-10-30T15:36:45","modified_gmt":"2022-10-30T13:36:45","slug":"v-kodovuyu-bazu-freebsd-dobavlena-novaya-realizacziya-vpn-wireguard","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/v-kodovuyu-bazu-freebsd-dobavlena-novaya-realizacziya-vpn-wireguard","title":{"rendered":"A FreeBSD k\u00f3dalapj\u00e1ba egy \u00faj WireGuard VPN megval\u00f3s\u00edt\u00e1s ker\u00fclt be\u00e9p\u00edt\u00e9sre.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A FreeBSD forr\u00e1sk\u00f3d f\u00e1jlstrukt\u00far\u00e1j\u00e1ba egy \u00faj WireGuard VPN megval\u00f3s\u00edt\u00e1s ker\u00fclt elfogad\u00e1sra, amely a FreeBSD fejleszt\u0151csapatok \u00e9s a WireGuard csapat k\u00f6z\u00f6sen kidolgozott kernel modulj\u00e1nak k\u00f3dj\u00e1ra \u00e9p\u00edt, Jason A. Donenfeld, a WireGuard VPN alkot\u00f3j\u00e1nak \u00e9s John H. Baldwin, a GDB \u00e9s FreeBSD ismert fejleszt\u0151j\u00e9nek r\u00e9szv\u00e9tel\u00e9vel, aki a 2000-es \u00e9vek elej\u00e9n implement\u00e1lta az SMP \u00e9s NUMA t\u00e1mogat\u00e1s\u00e1t a FreeBSD kernel\u00e9ben. A FreeBSD-hez val\u00f3 illeszt\u00e9s ut\u00e1n a meghajt\u00f3 fejleszt\u00e9se \u00e9s karbantart\u00e1sa ezent\u00fal a FreeBSD t\u00e1rol\u00f3j\u00e1ban zajlik. <\/p>\n

A FreeBSD Alap\u00edtv\u00e1ny t\u00e1mogat\u00e1s\u00e1val a k\u00f3d elfogad\u00e1sa el\u0151tt teljes k\u00f6r\u0171 fel\u00fclvizsg\u00e1lat t\u00f6rt\u00e9nt, amely sor\u00e1n elemezt\u00e9k a meghajt\u00f3 k\u00f6lcs\u00f6nhat\u00e1s\u00e1t a kernel t\u00f6bbi alrendszer\u00e9vel \u00e9s \u00e9rt\u00e9kelt\u00e9k a kernel \u00e1ltal biztos\u00edtott kriptogr\u00e1fiai primit\u00edvek felhaszn\u00e1l\u00e1s\u00e1nak lehet\u0151s\u00e9g\u00e9t. <\/p>\n

A sz\u00fcks\u00e9ges kriptogr\u00e1fiai algoritmusokhoz a FreeBSD kernel kriptogr\u00e1fiai alrendszer\u00e9nek API-j\u00e1t b\u0151v\u00edtett\u00e9k, amely lehet\u0151s\u00e9get biztos\u00edt a FreeBSD-ben nem t\u00e1mogatott algoritmusok haszn\u00e1lat\u00e1ra a libsodium k\u00f6nyvt\u00e1rb\u00f3l sz\u00e1rmaz\u00f3 sz\u00fcks\u00e9ges algoritmusok megval\u00f3s\u00edt\u00e1s\u00e1val. A meghajt\u00f3ba be\u00e9p\u00edtett algoritmusok k\u00f6z\u00fcl csak a Blake2 hash algoritmus k\u00f3dja maradt, mivel a FreeBSD \u00e1ltal biztos\u00edtott implement\u00e1ci\u00f3 r\u00f6gz\u00edtett hash m\u00e9retre van k\u00f6tve. <\/p>\n

Tov\u00e1bb\u00e1, a fel\u00fclvizsg\u00e1lat sor\u00e1n k\u00f3doptimaliz\u00e1l\u00e1sra ker\u00fclt sor, amely jav\u00edtotta a terhel\u00e9s eloszt\u00e1s hat\u00e9konys\u00e1g\u00e1t t\u00f6bbmagos CPU-kon (a titkos\u00edt\u00e1si \u00e9s dekript\u00e1l\u00e1si feladatok magokhoz t\u00f6rt\u00e9n\u0151 egyenletes eloszt\u00e1s\u00e1t biztos\u00edtja). Ennek eredm\u00e9nyek\u00e9nt a csomagok feldolgoz\u00e1si k\u00f6lts\u00e9gei a Linux sz\u00e1m\u00e1ra k\u00e9sz\u00fclt meghajt\u00f3 implement\u00e1ci\u00f3j\u00e1hoz k\u00f6zel\u00edtettek. A k\u00f3dban a titkos\u00edt\u00e1si m\u0171veletek felgyors\u00edt\u00e1s\u00e1ra az ossl meghajt\u00f3 haszn\u00e1lat\u00e1nak lehet\u0151s\u00e9ge is biztos\u00edtva lett. <\/p>\n

A FreeBSD \u00faj megval\u00f3s\u00edt\u00e1s\u00e1ban a WireGuard integr\u00e1ci\u00f3ja r\u00e9v\u00e9n a hivatalos wg seg\u00e9dprogramot haszn\u00e1lj\u00e1k, nem a m\u00f3dos\u00edtott ifconfig verzi\u00f3t, ami lehet\u0151v\u00e9 tette a Linux \u00e9s FreeBSD k\u00f6z\u00f6tti konfigur\u00e1ci\u00f3 egys\u00e9ges\u00edt\u00e9s\u00e9t. A wg seg\u00e9dprogram, ak\u00e1rcsak az illeszt\u0151program, be van \u00e9p\u00edtve a FreeBSD forr\u00e1sk\u00f3dj\u00e1ba, ami a wg k\u00f3dj\u00e1nak licenc\u00e9nek megv\u00e1ltoztat\u00e1s\u00e1nak k\u00f6sz\u00f6nhet\u0151 (a k\u00f3d mostant\u00f3l MIT \u00e9s GPL licenc alatt \u00e9rhet\u0151 el). A WireGuard FreeBSD-be t\u00f6rt\u00e9n\u0151 integr\u00e1l\u00e1s\u00e1ra tett kor\u00e1bbi pr\u00f3b\u00e1lkoz\u00e1st 2020-ban hajtott\u00e1k v\u00e9gre, de botr\u00e1nyba fulladt, amelynek k\u00f6vetkezt\u00e9ben a m\u00e1r hozz\u00e1adott k\u00f3dot elt\u00e1vol\u00edtott\u00e1k a gyenge min\u0151s\u00e9g, a gondatlan pufferkezel\u00e9s, a helyettes\u00edt\u0151k haszn\u00e1lata a l\u00e9tez\u0151 ellen\u0151rz\u00e9sek helyett, a protokoll hi\u00e1nyos megval\u00f3s\u00edt\u00e1sa \u00e9s a GPL licenc megs\u00e9rt\u00e9se miatt. <\/p>\n

Eml\u00e9keztetj\u00fck, hogy VPN<\/a> A WireGuard a modern titkos\u00edt\u00e1si m\u00f3dszerek alapj\u00e1n val\u00f3sult meg, rendk\u00edv\u00fcl magas teljes\u00edtm\u00e9nyt biztos\u00edt, k\u00f6nnyen haszn\u00e1lhat\u00f3, mentes a bonyodalmakb\u00f3l, \u00e9s j\u00f3l teljes\u00edtett nagy forgalmat kezel\u0151 nagyobb bevezet\u00e9sek sor\u00e1n. A projekt 2015 \u00f3ta fejl\u0151dik, audit\u00e1lt\u00e1k \u00e9s form\u00e1lis ellen\u0151rz\u00e9sen esett \u00e1t a haszn\u00e1lt titkos\u00edt\u00e1si m\u00f3dszerek. A WireGuard a kulcsok titkos\u00edt\u00e1s szerinti ir\u00e1ny\u00edt\u00e1s\u00e1nak koncepci\u00f3j\u00e1n alapul, amely megk\u00f6veteli, hogy minden h\u00e1l\u00f3zati interf\u00e9szhez egy priv\u00e1t kulcs kapcsol\u00f3djon, \u00e9s a nyilv\u00e1nos kulcsok \u00f6sszekapcsol\u00e1s\u00e1ra haszn\u00e1lj\u00e1k. <\/p>\n

A nyilv\u00e1nos kulcsok cser\u00e9je az SSH-hoz hasonl\u00f3an t\u00f6rt\u00e9nik a kapcsolat l\u00e9trehoz\u00e1s\u00e1hoz. A kulcsok egyeztet\u00e9s\u00e9re \u00e9s a kapcsolat l\u00e9trehoz\u00e1s\u00e1ra, an\u00e9lk\u00fcl, hogy k\u00fcl\u00f6n d\u00e9mon futna a felhaszn\u00e1l\u00f3i t\u00e9rben, a Noise_IK mechanizmust alkalmazz\u00e1k a Noise Protocol Framework-b\u0151l, ami hasonl\u00f3 a SSH-ban l\u00e9v\u0151 authorized_keys fenntart\u00e1s\u00e1hoz. Az adat\u00e1tvitel UDP csomagokba val\u00f3 becsomagol\u00e1ssal t\u00f6rt\u00e9nik. T\u00e1mogatja a VPN-szerverek (roaming) automatikus \u00fajrakonfigur\u00e1l\u00e1s\u00e1t a kapcsolat megszak\u00edt\u00e1sa n\u00e9lk\u00fcl. IP address<\/a> A VPN-szerverek (roaming) automatikus \u00e1t\u00e1ll\u00edt\u00e1s\u00e1val, megszak\u00edt\u00e1s n\u00e9lk\u00fcl. <\/p>\n

Az adatv\u00e9delmi titkos\u00edt\u00e1shoz a ChaCha20 folyamatos titkos\u00edt\u00f3 algoritmust \u00e9s a Poly1305 \u00fczenet-ellen\u0151rz\u0151 algoritmust (MAC) haszn\u00e1lj\u00e1k, amelyeket Daniel J. Bernstein, Tanja Lange \u00e9s Peter Schwabe fejlesztettek ki. A ChaCha20 \u00e9s Poly1305 gyorsabb \u00e9s biztons\u00e1gosabb alternat\u00edv\u00e1k az AES-256-CTR \u00e9s HMAC sz\u00e1m\u00e1ra, amelyek szoftveres megval\u00f3s\u00edt\u00e1sa fix v\u00e9grehajt\u00e1si id\u0151t biztos\u00edt speci\u00e1lis hardvert\u00e1mogat\u00e1s n\u00e9lk\u00fcl. Az k\u00f6z\u00f6s titkos kulcs gener\u00e1l\u00e1s\u00e1hoz elliptikus g\u00f6rb\u00e9k alapj\u00e1n, a Curve25519 megval\u00f3s\u00edt\u00e1son alapul\u00f3 Diffie-Hellman protokollt alkalmaznak, amelyet szint\u00e9n Daniel J. Bernstein javasolt. A hash-el\u00e9shez a BLAKE2s algoritmust (RFC7693) haszn\u00e1lj\u00e1k.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0434\u0435\u0440\u0435\u0432\u043e \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0441 \u043d\u043e\u0432\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 VPN WireGuard, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043d\u0430 \u043a\u043e\u0434\u0435 \u043c\u043e\u0434\u0443\u043b\u044f \u044f\u0434\u0440\u0430, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u043c\u0438 \u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 FreeBSD \u0438 WireGuard \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u0414\u0436\u0435\u0439\u0441\u043e\u043d\u0430 \u0414\u043e\u043d\u0435\u043d\u0444\u0438\u043b\u0434\u0430 (Jason A. Donenfeld), \u0430\u0432\u0442\u043e\u0440\u0430 VPN WireGuard, \u0438 \u0414\u0436\u043e\u043d\u0430 \u0411\u043e\u043b\u0434\u0443\u0438\u043d\u0430 (John H. Baldwin), \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 GDB \u0438 FreeBSD, \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 2000-\u0445 \u0433\u043e\u0434\u043e\u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0432\u0448\u0435\u0433\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 SMP \u0438 NUMA […]<\/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-105412","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\udd47Az \u00faj VPN 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