{"id":52759,"date":"2019-11-16T00:00:00","date_gmt":"2019-11-15T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/reliz-nncp-5-0-0-utilit-dlya-peredachi-fajlov-pochty-v-rezhime-store-and-forward"},"modified":"2020-02-18T14:00:33","modified_gmt":"2020-02-18T11:00:33","slug":"reliz-nncp-5-0-0-utilit-dlya-peredachi-fajlov-pochty-v-rezhime-store-and-forward","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/reliz-nncp-5-0-0-utilit-dlya-peredachi-fajlov-pochty-v-rezhime-store-and-forward","title":{"rendered":"Rilascio di NNCP 5.0.0, utilit\u00e0 per la trasmissione di file\/mail in modalit\u00e0 store-and-forward","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.cypherpunks.ru\/pipermail\/nncp-devel\/2019-November\/000084.html\">Si \u00e8 tenuto<\/a><\/noindex> il rilascio <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/Ob-utilitakh.html\">Copia Node-to-Node<\/a><\/noindex> (NNCP), un set di strumenti per la trasmissione sicura di file, email e comandi da eseguire in modalit\u00e0 <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Store_and_forward\">store-and-forward<\/a><\/noindex>. Supporta il funzionamento su sistemi operativi compatibili con POSIX. Gli strumenti sono scritti in linguaggio Go e distribuiti con licenza GPLv3.<\/p>\n<p>Gli strumenti sono progettati per aiutare a costruire piccole reti peer-to-peer <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Friend-to-friend\">friend-to-friend<\/a><\/noindex> di nodi (dozzine) con routing statico per la trasmissione sicura di file in modalit\u00e0 fire-and-forget, richieste di file, email e richieste di esecuzione di comandi. Tutti i pacchetti trasmessi <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/Encrypted.html\">sono crittografati<\/a><\/noindex> (end-to-end) e si autenticano esplicitamente tramite chiavi pubbliche note a persone fidate. La crittografia a cipolla (come in Tor) viene applicata a tutti i pacchetti intermedi. Ogni nodo pu\u00f2 agire sia come client che come server e utilizzare sia modelli di push che di poll.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/Sravnenie.html\">La differenza<\/a><\/noindex> di NNCP rispetto a soluzioni <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Uucp\">UUCP<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/FTN\">FTN<\/a><\/noindex> (FidoNet Technology Network), oltre alla crittografia e all'autenticazione sopra menzionate, \u00e8 il supporto immediato per reti <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A4%D0%BB%D0%BE%D0%BF%D0%BF%D0%B8%D0%BD%D0%B5%D1%82\">floppinets<\/a><\/noindex> e computer fisicamente isolati (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%BE%D0%B7%D0%B4%D1%83%D1%88%D0%BD%D1%8B%D0%B9_%D0%B7%D0%B0%D0%B7%D0%BE%D1%80_(%D1%81%D0%B5%D1%82%D0%B8_%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%B0%D1%87%D0%B8_%D0%B4%D0%B0%D0%BD%D0%BD%D1%8B%D1%85)\">air-gapped<\/a><\/noindex>) da reti locali e pubbliche non sicure. Un'altra caratteristica di NNCP \u00e8 la facile integrazione (insieme a UUCP) con i server di posta attuali, come Postfix ed Exim.<\/p>\n<p>Tra i possibili ambiti di applicazione di NNCP <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/Scenarii.html\">si segnala<\/a><\/noindex> ci sono l'organizzazione dell'invio\/ricezione di posta su dispositivi senza connessione Internet permanente, la trasmissione di file in condizioni di connessione di rete instabile, la trasmissione sicura di enormi volumi di dati su supporti fisici, la creazione di reti isolate contro attacchi MitM, e l'aggiramento della censura e della sorveglianza di rete. Poich\u00e9 la chiave per la decrittazione \u00e8 solo in possesso del destinatario, indipendentemente dai percorsi di consegna del pacchetto attraverso la rete o tramite supporti fisici, una terza parte non pu\u00f2 leggere il contenuto, nemmeno se intercetta l'invio. L'autenticazione tramite firma digitale non consente di creare invii falsi spacciandosi per un altro mittente.<\/p>\n<p>Tra le novit\u00e0 di NNCP 5.0.0, rispetto alla <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48756\">notizia precedente<\/a><\/noindex> (versione 3.3), si possono menzionare:<\/p>\n<ul>\n<li class=\"l\"> La licenza del progetto \u00e8 passata da GPLv3+ a GPLv3-only, a causa della mancanza di fiducia nel <noindex><a rel=\"nofollow\" href=\"https:\/\/www.fsf.org\/\">Fondo OSS<\/a><\/noindex> la data rientri nel PITR. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/ar.shtml?num=51498\">uscita<\/a><\/noindex> di Richard Stallman da esso;\n<li class=\"l\"> Si utilizza un sistema completo <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/AEAD-%D1%80%D0%B5%D0%B6%D0%B8%D0%BC_%D0%B1%D0%BB%D0%BE%D1%87%D0%BD%D0%BE%D0%B3%D0%BE_%D1%88%D0%B8%D1%84%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F\">AEAD<\/a><\/noindex> crittografia ChaCha20-Poly135 in blocchi da 128 KiB. Questo consente di autenticare immediatamente i dati nei pacchetti crittografati anzich\u00e9 restituire un errore al termine della lettura dell'intero ciphertext;\n<li class=\"l\"> Il formato del file di configurazione \u00e8 cambiato da <noindex><a rel=\"nofollow\" href=\"https:\/\/yaml.org\/\">YAML<\/a><\/noindex> in <noindex><a rel=\"nofollow\" href=\"https:\/\/hjson.org\/\">Hjson<\/a><\/noindex>. La libreria \u00e8 notevolmente pi\u00f9 semplice e pi\u00f9 leggera, mantenendo un'analoga facilit\u00e0 d'uso per l'utente con la configurazione;\n<li class=\"l\"> L'algoritmo di compressione zlib \u00e8 stato sostituito con <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Zstandard\">Zstandard<\/a><\/noindex>: un notevole aumento della velocit\u00e0 di compressione con una maggiore efficienza;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/nncp_002dcall.html\">nncp-call<\/a><\/noindex> ha ottenuto l'opzione per visualizzare i pacchetti disponibili (-list) sul lato remoto, senza scaricarli. E anche la possibilit\u00e0 di scaricare pacchetti selettivi (-pkts);\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/nncp_002ddaemon.html\">nncp-daemon<\/a><\/noindex> ha ottenuto l'opzione -inetd, consentendogli di essere avviato sotto <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Inetd\">inetd<\/a><\/noindex> o, per esempio, tramite SSH;\n<li class=\"l\"> Le connessioni online possono essere effettuate non solo direttamente tramite TCP, ma anche invocando comandi esterni e comunicando tramite stdin\/stdout. Ad esempio: nncp-call gw.stargrave.org \u00ab|ssh gw.stargrave.org nncp-daemon -inetd\u00bb;<\/li>\n<li class=\"l\"> L'approccio dei comandi a umask (utilizzando permessi di accesso estesi come 666\/777) e la possibilit\u00e0 di impostare umask a livello globale tramite <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/Configuration.html\">un file di configurazione<\/a><\/noindex>, semplificando l'uso <noindex><a rel=\"nofollow\" href=\"http:\/\/www.nncpgo.org\/Shared-spool.html\">di una directory spool comune<\/a><\/noindex> tra pi\u00f9 utenti;\n<li class=\"l\"> Uso completo del sistema <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/golang\/go\/wiki\/Modules\">di moduli Go<\/a><\/noindex>.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51868\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Node-to-Node copy (NNCP), \u043d\u0430\u0431\u043e\u0440\u0430 \u0443\u0442\u0438\u043b\u0438\u0442 \u0434\u043b\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0444\u0430\u0439\u043b\u043e\u0432, \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u043e\u0439 \u043f\u043e\u0447\u0442\u044b \u0438 \u043a\u043e\u043c\u0430\u043d\u0434 \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 store-and-forward. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430 POSIX-\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u0423\u0442\u0438\u043b\u0438\u0442\u044b \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv3. \u0423\u0442\u0438\u043b\u0438\u0442\u044b \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u043d\u0430 \u043f\u043e\u043c\u043e\u0449\u044c \u0432 \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0438 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043e\u0434\u043d\u043e\u0440\u0430\u043d\u0433\u043e\u0432\u044b\u0445 friend-to-friend \u0441\u0435\u0442\u0435\u0439 (\u0434\u044e\u0436\u0438\u043d\u044b \u0443\u0437\u043b\u043e\u0432) \u0441\u043e \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0434\u043b\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 [&hellip;]<\/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-52759","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437\" \/>\n\t<meta name=\"robots\" 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