{"id":100995,"date":"2021-08-12T10:22:39","date_gmt":"2021-08-12T08:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-expressvpn-otkryla-narabotki-svyazannye-s-vpn-protokolom-lightway"},"modified":"2021-08-12T10:22:39","modified_gmt":"2021-08-12T08:22:39","slug":"kompaniya-expressvpn-otkryla-narabotki-svyazannye-s-vpn-protokolom-lightway","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/kompaniya-expressvpn-otkryla-narabotki-svyazannye-s-vpn-protokolom-lightway","title":{"rendered":"L'azienda ExpressVPN ha aperto i suoi sviluppi relativi al protocollo VPN Lightway.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'azienda ExpressVPN ha annunciato l'apertura del codice sorgente dell'implementazione del protocollo Lightway, sviluppato per garantire un tempo di connessione minimo mantenendo un alto livello di sicurezza e affidabilit\u00e0. Il codice \u00e8 scritto in C e distribuito sotto licenza GPLv2. L'implementazione \u00e8 molto compatta e si adatta in duemila righe di codice. \u00c8 dichiarato il supporto per le piattaforme Linux, Windows, macOS, iOS, Android, router (Asus, Netgear, Linksys) e browser. Per la compilazione \u00e8 necessario utilizzare i sistemi di build Earthly e Ceedling. L'implementazione \u00e8 fornita come libreria, che pu\u00f2 essere utilizzata per integrare le funzioni client e server. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"176\">VPN<\/a> nelle proprie applicazioni.      <\/p>\n<p> Nel codice sono utilizzate funzioni crittografiche gi\u00e0 verificate, fornite dalla libreria wolfSSL, gi\u00e0 utilizzata in soluzioni che hanno ottenuto la certificazione FIPS 140-2. In modalit\u00e0 predefinita, il protocollo utilizza UDP per il trasferimento dei dati e DTLS per creare un canale di comunicazione crittografato. Come opzione per garantire il funzionamento in reti UDP inaffidabili o restrittive, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-prohoster\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3016\">server<\/a> viene fornita una modalit\u00e0 di streaming pi\u00f9 affidabile, ma meno veloce, che consente di trasmettere dati su TCP e TLSv1.3.    <\/p>\n<p>I test condotti da ExpressVPN hanno dimostrato che rispetto ai protocolli precedenti (ExpressVPN supporta L2TP\/IPSec, OpenVPN, IKEv2, PPTP, WireGuard e SSTP, ma non dettagliando con cosa \u00e8 stata effettuata la comparazione), il passaggio a Lightway ha permesso di ridurre il tempo di connessione in media di 2,5 volte (in oltre la met\u00e0 dei casi, il canale di comunicazione viene creato in meno di un secondo). Il nuovo protocollo ha anche permesso di ridurre del 40% il numero di disconnessioni in reti mobili inaffidabili, con problemi di qualit\u00e0 della connessione.    <\/p>\n<p>Lo sviluppo dell'implementazione di riferimento del protocollo avverr\u00e0 su GitHub, offrendo la possibilit\u00e0 di partecipazione allo sviluppo ai membri della comunit\u00e0 (per inviare modifiche \u00e8 necessario firmare un accordo CLA di cessione dei diritti di propriet\u00e0 sul codice). Sono invitati a collaborare anche altri fornitori di VPN, che possono utilizzare il protocollo proposto senza restrizioni.        <\/p>\n<p>La sicurezza dell'implementazione \u00e8 stata confermata dai risultati di un audit indipendente condotto da Cure53, che in passato ha eseguito audit su NTPsec, SecureDrop, Cryptocat, F-Droid e Dovecot. L'audit ha riguardato il controllo del codice sorgente e ha incluso test per identificare potenziali vulnerabilit\u00e0 (le questioni relative alla crittografia non sono state considerate). Complessivamente, la qualit\u00e0 del codice \u00e8 stata valutata come elevata, tuttavia, il controllo ha rivelato tre vulnerabilit\u00e0 che potrebbero portare a un'interruzione del servizio e una vulnerabilit\u00e0 che consente di utilizzare il protocollo come amplificatore di traffico durante attacchi DDoS. I problemi indicati sono gi\u00e0 stati risolti e le osservazioni per migliorare il codice sono state prese in considerazione. Durante l'audit \u00e8 stata anche prestata attenzione a vulnerabilit\u00e0 e problemi noti nei componenti di terze parti coinvolti, come libdnet, WolfSSL, Unity, Libuv e lua-crypt. In generale, i problemi non sono significativi, eccetto per un MITM in WolfSSL (CVE-2021-3336).<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55626\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ExpressVPN \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Lightway, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0438\u0436\u0435\u043d\u0438\u044f \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2. \u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043e\u0447\u0435\u043d\u044c \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u0430\u044f \u0438 \u0443\u043c\u0435\u0441\u0442\u0438\u043b\u0430\u0441\u044c \u0432 \u0434\u0432\u0435 \u0442\u044b\u0441\u044f\u0447\u0438 \u0441\u0442\u0440\u043e\u043a \u043a\u043e\u0434\u0430. \u0417\u0430\u044f\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c Linux, Windows, macOS, iOS, Android, \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432 (Asus, Netgear, [&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-100995","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ExpressVPN 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