{"id":76048,"date":"2020-03-30T19:42:06","date_gmt":"2020-03-30T17:42:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-vpn-wireguard-1-0-0"},"modified":"2020-03-30T19:42:06","modified_gmt":"2020-03-30T17:42:06","slug":"dostupen-vpn-wireguard-1-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/dostupen-vpn-wireguard-1-0-0","title":{"rendered":"VPN WireGuard 1.0.0 er tilg\u00e6ngelig.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pr\u00e6senteret<\/a><\/noindex> symbolsk udgivelse af VPN WireGuard 1.0.0<\/a><\/noindex>, som markerede leveringen af WireGuard-komponenter i den prim\u00e6re kernel Linux 5.6<\/a><\/noindex> og stabiliseringen af udviklingen. Koden, der er inkluderet i Linux-kernen, har gennemg\u00e5et<\/a><\/noindex> en yderligere sikkerhedsrevision udf\u00f8rt af et uafh\u00e6ngigt firma, der specialiserer sig i s\u00e5danne inspektioner. Revisionen afsl\u00f8rede ingen problemer.<\/p>\n

Da WireGuard nu bliver udviklet i den prim\u00e6re Linux-kernel, er der for distributioner og brugere, der forts\u00e6tter med at bruge \u00e6ldre versioner af kernen, forberedt et repository wireguard-linux-compat.git<\/a><\/noindex>. Repositoryet inkluderer den backportede WireGuard-kode og et compat.h-lag for at sikre kompatibilitet med \u00e6ldre kerner. Der er bem\u00e6rket, at s\u00e5 l\u00e6nge der er mulighed for udviklere og behov hos brugerne, vil den adskilte version af patches blive vedligeholdt i funktionelt stand. I den nuv\u00e6rende tilstand kan den adskilte version af WireGuard anvendes med kerner fra Ubuntu 20.04<\/a><\/noindex> og Debian 10 \u00abBuster\u00bb<\/a><\/noindex>, og er ogs\u00e5 tilg\u00e6ngelig som patches til Linux-kernene. 5.4<\/a><\/noindex> og 5.5<\/a><\/noindex>Distributioner, der anvender de nyeste kerner, s\u00e5som Arch, Gentoo og
\nFedora 32, vil f\u00e5 mulighed for at bruge WireGuard sammen med opdateringen til kerne 5.6.<\/p>\n

Den prim\u00e6re udviklingsproces foreg\u00e5r nu i repositoryet wireguard-linux.git<\/a><\/noindex>, der inkluderer det komplette Linux-kuntre med \u00e6ndringer fra Wireguard-projektet. Patches fra dette repository vil blive gennemg\u00e5et for inklusion i den prim\u00e6re kerne og regelm\u00e6ssigt overf\u00f8rt til net\/net-next-grenene. Udviklingen af brugerlands-v\u00e6rkt\u00f8jer og scripts, s\u00e5som wg og wg-quick, foreg\u00e5r i repositoryet wireguard-tools.git<\/a><\/noindex>, som kan bruges til at oprette pakker i distributioner.<\/p>\n

Det er v\u00e6rd at bem\u00e6rke, at VPN WireGuard er baseret p\u00e5 moderne krypteringsmetoder, tilbyder meget h\u00f8j ydeevne, er nem at bruge, fri for komplekse funktioner og har vist sig effektiv i flere store implementeringer, der h\u00e5ndterer store m\u00e6ngder trafik. Projektet har v\u00e6ret under udvikling siden 2015, har gennemg\u00e5et revision og formel verifikation<\/a><\/noindex> anvendte krypteringsmetoder. St\u00f8tte til WireGuard er allerede integreret i NetworkManager og systemd, og patches til kernen indg\u00e5r i grundkomponenterne i distributioner Debian Unstable<\/a><\/noindex>, Mageia, Alpine, Arch, Gentoo, OpenWrt, NixOS, Subgraph<\/a><\/noindex> og ALT<\/a><\/noindex>.<\/p>\n

WireGuard anvender konceptet med n\u00f8glebaseret routing, som indeb\u00e6rer at tilknytte et privat n\u00f8gle til hver netv\u00e6rksgr\u00e6nseflade og anvende \u00e5bne n\u00f8gler til at etablere forbindelser. Udvekslingen af \u00e5bne n\u00f8gler til forbindelsesoprettelse foreg\u00e5r p\u00e5 lignende vis som SSH. Til aftale n\u00f8gler og forbindelser uden at starte en separat daemon i brugerland bruges Noise_IK-mekanismen fra Noise Protocol Framework<\/a><\/noindex>, der ligner vedligeholdelsen af authorized_keys i SSH. Dataoverf\u00f8rslen foreg\u00e5r ved inkapsulering i UDP-pakker. Skift af IP-adressen p\u00e5 VPN-serveren (roaming) underst\u00f8ttes uden afbrydelse af forbindelsen med automatisk genkonfiguration af klienten.<\/p>\n

Til kryptering kun 14,3% af webstederne i hele verden.<\/a><\/noindex> str\u00f8mcypher ChaCha20<\/a><\/noindex> og algoritme til autentificering af meddelelser (MAC) Poly1305<\/a><\/noindex>, udviklet af Daniel Bernstein (Daniel J. Bernstein<\/a><\/noindex>), Tanja Lange
\n(Tanja Lange) og Peter Schwabe. ChaCha20 og Poly1305 pr\u00e6senteres som hurtigere og sikrere alternativer til AES-256-CTR og HMAC, hvis softwareimplementering muligg\u00f8r en fast udf\u00f8relsestid uden at kr\u00e6ve s\u00e6rlig hardwareunderst\u00f8ttelse. Protokollen for at generere en delt hemmelig n\u00f8gle anvender Diffie-Hellman p\u00e5 elliptiske kurver i implementeringen Curve25519<\/a><\/noindex>, ogs\u00e5 foresl\u00e5et af Daniel Bernstein. Der anvendes algoritmen BLAKE2s (RFC7693)<\/a><\/noindex>. <\/p>\n

Under den gamle testning<\/a><\/noindex> WireGuard viste en 3,9 gange h\u00f8jere b\u00e5ndbredde og 3,8 gange h\u00f8jere responsivitet sammenlignet med OpenVPN (256-bit AES med HMAC-SHA2-256). Sammenlignet med IPsec (256-bit ChaCha20+Poly1305 og AES-256-GCM-128) viser WireGuard en lille pr\u00e6stationsfordel (13-18%) og reduceret forsinkelse (21-23%). Resultaterne af testene, der er offentliggjort p\u00e5 projektets hjemmeside, d\u00e6kker den gamle adskilte implementering af WireGuard og er markeret som utilstr\u00e6kkeligt kvalitetsm\u00e6ssige. Siden testene blev udf\u00f8rt, er koden for b\u00e5de WireGuard og IPsec blevet yderligere optimeret og fungerer nu hurtigere. En mere omfattende test, der d\u00e6kker den integrerede implementering i kernen, er endnu ikke udf\u00f8rt. Ikke desto mindre bem\u00e6rkes det, at WireGuard i visse situationer stadig overhaler IPsec p\u00e5 grund af multi-tr\u00e5dning, mens OpenVPN forbliver meget langsomt.<\/p>\n

\"VPN<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0439 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0439 \u0444\u0438\u0440\u043c\u043e\u0439, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0435\u0439\u0441\u044f \u043d\u0430 \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u0445. \u0410\u0443\u0434\u0438\u0442 \u043d\u0435 \u0432\u044b\u044f\u0432\u0438\u043b \u043a\u0430\u043a\u0438\u0445-\u043b\u0438\u0431\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c. \u0422\u0430\u043a \u043a\u0430\u043a WireGuard \u0442\u0435\u043f\u0435\u0440\u044c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0441\u043e\u0441\u0442\u0430\u0432\u0435 \u044f\u0434\u0440\u0430 Linux, \u0434\u043b\u044f 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