{"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\/sv\/blog\/news\/kompaniya-expressvpn-otkryla-narabotki-svyazannye-s-vpn-protokolom-lightway","title":{"rendered":"F\u00f6retaget ExpressVPN har sl\u00e4ppt sina arbeten relaterade till VPN-protokollet Lightway","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

ExpressVPN har meddelat att de har \u00f6ppnat k\u00e4llkoden f\u00f6r implementationen av protokollet Lightway, som \u00e4r utvecklat f\u00f6r att uppn\u00e5 minimal anslutningstid samtidigt som en h\u00f6g niv\u00e5 av s\u00e4kerhet och tillf\u00f6rlitlighet bibeh\u00e5lls. Koden \u00e4r skriven i C och distribueras under GPLv2-licensen. Implementation \u00e4r mycket kompakt och rymmer tv\u00e5 tusen kodrader. Plattformar som st\u00f6ds inkluderar Linux, Windows, macOS, iOS, Android, routrar (Asus, Netgear, Linksys) och webbl\u00e4sare. Byggsystemen Earthly och Ceedling kr\u00e4vs f\u00f6r att bygga koden. Implementationen \u00e4r utformad som ett bibliotek som kan anv\u00e4ndas f\u00f6r att integrera klient- och serverfunktioner. VPN<\/a> i sina applikationer. <\/p>\n

I koden anv\u00e4nds bepr\u00f6vade kryptografiska funktioner som tillhandah\u00e5lls av biblioteket wolfSSL, som redan anv\u00e4nds i l\u00f6sningar som har f\u00e5tt FIPS 140-2-certifiering. I standardl\u00e4ge anv\u00e4nder protokollet UDP f\u00f6r datatransmission och DTLS f\u00f6r att skapa en krypterad kommunikationskanal. Som ett alternativ f\u00f6r att s\u00e4kerst\u00e4lla funktion i op\u00e5litliga eller begr\u00e4nsande UDP-n\u00e4tverk, servern<\/a> erbjuds ett mer p\u00e5litligt men l\u00e5ngsammare str\u00f6mmande l\u00e4ge som g\u00f6r det m\u00f6jligt att \u00f6verf\u00f6ra data \u00f6ver TCP och TLSv1.3. <\/p>\n

Tester utf\u00f6rda av ExpressVPN har visat att j\u00e4mf\u00f6rt med \u00e4ldre protokoll (ExpressVPN st\u00f6der L2TP\/IPSec, OpenVPN, IKEv2, PPTP, WireGuard och SSTP, men specificeras inte vad som j\u00e4mf\u00f6rdes), ledde \u00f6verg\u00e5ngen till Lightway till en genomsnittlig minskning av anslutningstiden med 2,5 g\u00e5nger (i mer \u00e4n h\u00e4lften av fallen skapas kommunikationskanalen p\u00e5 mindre \u00e4n en sekund). Det nya protokollet har ocks\u00e5 minskat antalet anslutningsavbrott i op\u00e5litliga mobila n\u00e4tverk med 40%, vilket har kvalitetss\u00e4kringsproblem. <\/p>\n

Utvecklingen av den referensimplementation av protokollet kommer att ske p\u00e5 GitHub med m\u00f6jlighet f\u00f6r medlemmar av gemenskapen att delta i utvecklingen (f\u00f6r att \u00f6verf\u00f6ra \u00e4ndringar kr\u00e4vs det att signera ett CLA-avtal om \u00f6verl\u00e5telse av immateriella r\u00e4ttigheter till koden). Andra VPN-leverant\u00f6rer inbjuds ocks\u00e5 att samarbeta och kan utan begr\u00e4nsningar anv\u00e4nda det f\u00f6reslagna protokollet. <\/p>\n

S\u00e4kerheten f\u00f6r implementeringen bekr\u00e4ftades av resultaten fr\u00e5n en oberoende revision utf\u00f6rd av f\u00f6retaget Cure53, som tidigare har utf\u00f6rt revisioner av NTPsec, SecureDrop, Cryptocat, F-Droid och Dovecot. Revisionen omfattade granskning av k\u00e4llkoderna och inkluderade tester f\u00f6r att identifiera potentiella s\u00e5rbarheter (fr\u00e5gor relaterade till kryptografi behandlades inte). Sammanfattningsvis bed\u00f6mdes kodens kvalitet som h\u00f6g, men revisionen avsl\u00f6jade \u00e4nd\u00e5 tre s\u00e5rbarheter som kan leda till tj\u00e4nsteavbrott, och en s\u00e5rbarhet som g\u00f6r det m\u00f6jligt att anv\u00e4nda protokollet som en trafikf\u00f6rst\u00e4rkare vid DDoS-attacker. De angivna problemen har redan \u00e5tg\u00e4rdats, och de framkomna synpunkterna p\u00e5 f\u00f6rb\u00e4ttring av koden har beaktats. Under revisionen uppm\u00e4rksammades ocks\u00e5 k\u00e4nda s\u00e5rbarheter och problem i involverade tredjeparts komponenter, s\u00e5som libdnet, WolfSSL, Unity, Libuv och lua-crypt. I huvudsak \u00e4r problemen obetydliga, f\u00f6rutom MITM i WolfSSL (CVE-2021-3336).
\n
K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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en h\u00f6g s\u00e4kerhetsniv\u00e5 bibeh\u00e5lls.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/kompaniya-expressvpn-otkryla-narabotki-svyazannye-s-vpn-protokolom-lightway","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","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\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ExpressVPN \u043e\u0442\u043a\u0440\u044b\u043b\u0430 \u043d\u0430\u0440\u0430\u0431\u043e\u0442\u043a\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 VPN-\u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c Lightway | 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