{"id":92348,"date":"2020-08-25T19:42:57","date_gmt":"2020-08-25T17:42:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadro-netbsd-dobavlena-podderzhka-vpn-wireguard"},"modified":"2020-08-25T19:42:57","modified_gmt":"2020-08-25T17:42:57","slug":"v-yadro-netbsd-dobavlena-podderzhka-vpn-wireguard","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/v-yadro-netbsd-dobavlena-podderzhka-vpn-wireguard","title":{"rendered":"O suporte a VPN WireGuard foi adicionado ao n\u00facleo do NetBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Desenvolvedores do projeto NetBSD informaram<\/a><\/noindex> sobre a inclus\u00e3o no n\u00facleo principal do NetBSD do driver wg com a implementa\u00e7\u00e3o do protocolo WireGuard. O NetBSD se tornou o terceiro sistema operacional, ap\u00f3s o Linux e o OpenBSD, a ter suporte integrado ao WireGuard. Tamb\u00e9m foram propostas ferramentas auxiliares para a configura\u00e7\u00e3o de VPN \u2014 wg-keygen e wgconfig. Na configura\u00e7\u00e3o padr\u00e3o do n\u00facleo (GENERIC), o driver ainda n\u00e3o est\u00e1 ativado e requer a especifica\u00e7\u00e3o expl\u00edcita nas configura\u00e7\u00f5es \"pseudo-device wg\".<\/p>\n

Adicionalmente, pode-se destacar publica\u00e7\u00e3o<\/a><\/noindex> atualiza\u00e7\u00e3o corretiva do pacote wireguard-tools 1.0.20200820, que inclui utilit\u00e1rios funcionais no espa\u00e7o do usu\u00e1rio, como wg e wg-quick. Na nova vers\u00e3o, foi preparado o IPC para o suporte futuro ao WireGuard no sistema operacional FreeBSD. A divis\u00e3o do c\u00f3digo espec\u00edfico para diferentes plataformas foi realizada em arquivos separados. No arquivo unit para systemd, foi adicionado suporte ao comando \"reload\", permitindo executar constru\u00e7\u00f5es como \"systemctl reload wg-quick at wgnet0\".<\/p>\n

Lembre-se de que a VPN WireGuard \u00e9 implementada com base em m\u00e9todos de criptografia modernos, oferece desempenho muito alto, \u00e9 f\u00e1cil de usar, livre de complica\u00e7\u00f5es e provou-se eficaz em v\u00e1rias implementa\u00e7\u00f5es de grande escala que lidam com grandes volumes de tr\u00e1fego. O projeto est\u00e1 em desenvolvimento desde 2015, passou por auditoria e verifica\u00e7\u00e3o formal<\/a><\/noindex> m\u00e9todos de criptografia. O suporte ao WireGuard j\u00e1 est\u00e1 integrado ao NetworkManager e ao systemd, e os patches para o kernel fazem parte da composi\u00e7\u00e3o b\u00e1sica das distribui\u00e7\u00f5es Debian Unstable<\/a><\/noindex>, Mageia, Alpine, Arch, Gentoo, OpenWrt, NixOS, Subgraph<\/a><\/noindex> e ALT<\/a><\/noindex>.<\/p>\n

O WireGuard utiliza a ideia de roteamento baseado em chaves de criptografia, que implica na vincula\u00e7\u00e3o de uma chave privada a cada interface de rede e na aplica\u00e7\u00e3o para vincula\u00e7\u00e3o de chaves p\u00fablicas. A troca de chaves p\u00fablicas para estabelecer a conex\u00e3o \u00e9 feita de maneira an\u00e1loga ao SSH. Para a negocia\u00e7\u00e3o de chaves e conex\u00e3o sem iniciar um daemon separado no espa\u00e7o do usu\u00e1rio, \u00e9 utilizado o mecanismo Noise_IK de Noise Protocol Framework<\/a><\/noindex>, semelhante \u00e0 manuten\u00e7\u00e3o de authorized_keys no SSH. A transmiss\u00e3o de dados \u00e9 feita atrav\u00e9s da encapsula\u00e7\u00e3o em pacotes UDP. Suporta a mudan\u00e7a de endere\u00e7o IP do servidor VPN (roaming) sem desconectar a conex\u00e3o, com reconfigura\u00e7\u00e3o autom\u00e1tica do cliente.<\/p>\n

Para criptografia \u00e9 utilizado<\/a><\/noindex> o cifra de fluxo ChaCha20<\/a><\/noindex> e algoritmo de autentica\u00e7\u00e3o de mensagens (MAC) Poly1305<\/a><\/noindex>, desenvolvidos por Daniel Bernstein (Daniel J. Bernstein<\/a><\/noindex>), Tanja Lange
\n(Tanja Lange) e Peter Schwabe (Peter Schwabe). ChaCha20 e Poly1305 s\u00e3o posicionados como alternativas mais r\u00e1pidas e seguras ao AES-256-CTR e HMAC, cuja implementa\u00e7\u00e3o de software permite alcan\u00e7ar tempos de execu\u00e7\u00e3o fixos sem a necessidade de suporte de hardware especial. Para a gera\u00e7\u00e3o da chave secreta compartilhada, utiliza-se o protocolo de Diffie-Hellman em curvas el\u00edpticas na implementa\u00e7\u00e3o Curve25519<\/a><\/noindex>, tamb\u00e9m sugerido por Daniel Bernstein. O algoritmo \u00e9 usado para hash BLAKE2s (RFC7693)<\/a><\/noindex>. <\/p>\n

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

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

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 NetBSD \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u043e \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0438 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 NetBSD \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 wg \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 WireGuard. 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