Os desenvolvedores da plataforma de colabora\u00e7\u00e3o SourceHut publicaram um relat\u00f3rio sobre um incidente que causou a interrup\u00e7\u00e3o dos servi\u00e7os por 7 dias devido a um ataque DDoS prolongado, para o qual a infraestrutura do projeto n\u00e3o estava preparada. Os servi\u00e7os b\u00e1sicos puderam ser restaurados no terceiro dia, mas algumas fun\u00e7\u00f5es estiveram indispon\u00edveis de 10 a 17 de janeiro. No in\u00edcio do ataque, os desenvolvedores n\u00e3o conseguiram reagir e tentar mitigar o problema nos servidores, pois todo o tr\u00e1fego para os servidores da SourceHut foi completamente bloqueado pelo provedor de servi\u00e7os. <\/p>\n
Para garantir o funcionamento do SourceHut, foram utilizados servidores<\/a> em tr\u00eas data centers. No primeiro, uma configura\u00e7\u00e3o operacional estava em vigor; o segundo era usado para backup e o terceiro foi utilizado para experimentar a migra\u00e7\u00e3o da infraestrutura para uma implementa\u00e7\u00e3o de servi\u00e7o mais escal\u00e1vel e resiliente (estava sendo desenvolvido uma vers\u00e3o do SourceHut de pr\u00f3xima gera\u00e7\u00e3o). <\/p>\n A resolu\u00e7\u00e3o do acesso aos seus servidores no data center principal ap\u00f3s o bloqueio levou cerca de 9 horas, mas os desenvolvedores n\u00e3o conseguiram fazer nada, pois pela manh\u00e3 o ataque se intensificou e come\u00e7ou a abranger toda a sub-rede, ap\u00f3s o que o provedor redirecionou novamente o tr\u00e1fego para a interface nula. Os desenvolvedores foram for\u00e7ados a come\u00e7ar urgentemente a implantar a infraestrutura do SourceHut em outro data center a partir de backups (uma sub-rede tempor\u00e1ria para acesso aos servidores principais s\u00f3 p\u00f4de ser obtida ap\u00f3s 2 dias). <\/p>\n Para prote\u00e7\u00e3o contra ataques DDoS no n\u00edvel da rede, foi considerado ideal o posicionamento de um servidor<\/a> na rede do provedor de servi\u00e7os em nuvem OVH, que oferece prote\u00e7\u00e3o contra DDoS. Todas as solicita\u00e7\u00f5es eram direcionadas a esse servidor e, em seguida, encaminhadas para a infraestrutura operacional. Durante a migra\u00e7\u00e3o, n\u00e3o foi poss\u00edvel evitar erros, que tomaram tempo adicional, como a recupera\u00e7\u00e3o incorreta usando a ferramenta rsync, erros de configura\u00e7\u00e3o de rede e a necessidade de resolver problemas com o redirecionamento de tr\u00e1fego (antes da ativa\u00e7\u00e3o da prote\u00e7\u00e3o contra DDoS na OVH, o tr\u00e1fego do ataque DDoS tamb\u00e9m estava sendo transmitido para os servidores operacionais, o que fez com que o sistema de prote\u00e7\u00e3o DDoS reagisse e identificasse o servidor que recebia as solicita\u00e7\u00f5es como a fonte do ataque). <\/p>\n Os desenvolvedores tamb\u00e9m entraram em contato com a Cloudflare e alguns outros servi\u00e7os de prote\u00e7\u00e3o contra DDoS, mas o custo da prote\u00e7\u00e3o apresentou-se exorbitante. Posteriormente, os funcion\u00e1rios da Cloudflare conseguiram negociar com a administra\u00e7\u00e3o para fornecer prote\u00e7\u00e3o ao projeto SourceHut gratuitamente como uma ajuda de patroc\u00ednio, mas os desenvolvedores do SourceHut recusaram a oferta, pois, nesse momento, j\u00e1 haviam avan\u00e7ado consideravelmente na resolu\u00e7\u00e3o do problema com seus pr\u00f3prios esfor\u00e7os. <\/p>\n A implementa\u00e7\u00e3o da nova infraestrutura do SourceHut e a migra\u00e7\u00e3o do projeto para servidores em outro data center estavam planejadas para ocorrer gradualmente ao longo de pelo menos um ano, mas, dadas as circunst\u00e2ncias, a migra\u00e7\u00e3o teve que ser realizada de forma emergencial em 7 dias. Atualmente, todos os servi\u00e7os do SourceHut foram transferidos para outro data center e o funcionamento da plataforma foi completamente restaurado. <\/p>\n A plataforma SourceHut possui uma interface \u00fanica, diferente do GitHub e GitLab, mas simples, muito r\u00e1pida e que opera sem JavaScript. O SourceHut oferece funcionalidades como trabalho com reposit\u00f3rios p\u00fablicos e privados de Git e Mercurial, um sistema de gerenciamento de acesso flex\u00edvel, wiki, recep\u00e7\u00e3o de relat\u00f3rios de erros, infraestrutura integrada de integra\u00e7\u00e3o cont\u00ednua, chat, discuss\u00f5es via e-mail, visualiza\u00e7\u00e3o em \u00e1rvore de arquivos de listas de discuss\u00e3o e revis\u00e3o de altera\u00e7\u00f5es via Web, incluindo a adi\u00e7\u00e3o de anota\u00e7\u00f5es ao c\u00f3digo (v\u00ednculos e documenta\u00e7\u00e3o anexados). Com as configura\u00e7\u00f5es adequadas ativadas, \u00e9 permitido que usu\u00e1rios participem do desenvolvimento sem contas locais (autentica\u00e7\u00e3o via OAuth ou participa\u00e7\u00e3o por e-mail). O c\u00f3digo \u00e9 escrito nas linguagens Python e Go, e \u00e9 distribu\u00eddo sob a licen\u00e7a GPLv3. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 SourceHut \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u043e\u0442\u0447\u0451\u0442 \u043e\u0431 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0435, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u0430 \u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0431\u044b\u043b\u0430 \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0430 \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 7 \u0434\u043d\u0435\u0439 \u0438\u0437-\u0437\u0430 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 DDoS-\u0430\u0442\u0430\u043a\u0438, \u043a \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043e\u043a\u0430\u0437\u0430\u043b\u0430\u0441\u044c \u043d\u0435 \u0433\u043e\u0442\u043e\u0432\u0430. \u0411\u0430\u0437\u043e\u0432\u044b\u0435 \u0441\u0435\u0440\u0432\u0438\u0441\u044b \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u043d\u0430 \u0442\u0440\u0435\u0442\u0438\u0439 \u0434\u0435\u043d\u044c, \u043d\u043e \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u043b\u0443\u0436\u0431\u044b \u043e\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0441 10 \u043f\u043e 17 \u044f\u043d\u0432\u0430\u0440\u044f. \u041d\u0430 \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u043c \u044d\u0442\u0430\u043f\u0435 \u0430\u0442\u0430\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043d\u0435 \u0443\u0441\u043f\u0435\u043b\u0438 \u0441\u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c […]<\/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-113013","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A plataforma de colabora\u00e7\u00e3o SourceHut ficou fora do ar por 7 dias devido a um ataque DDoS | 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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"