{"id":106390,"date":"2023-01-19T00:48:17","date_gmt":"2023-01-18T22:48:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-izolyaczii-prilozhenij-firejail-0-9-72"},"modified":"2023-01-19T00:48:17","modified_gmt":"2023-01-18T22:48:17","slug":"vypusk-sistemy-izolyaczii-prilozhenij-firejail-0-9-72","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sistemy-izolyaczii-prilozhenij-firejail-0-9-72","title":{"rendered":"Lan\u00e7amento do sistema de isolamento de aplicativos Firejail 0.9.72","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi publicado o lan\u00e7amento do projeto Firejail 0.9.72, que desenvolve um sistema para a execu\u00e7\u00e3o isolada de aplicativos gr\u00e1ficos, de console e de servidor, permitindo minimizar o risco de comprometimento do sistema principal ao executar programas n\u00e3o confi\u00e1veis ou potencialmente vulner\u00e1veis. O programa \u00e9 escrito em C, distribu\u00eddo sob a licen\u00e7a GPLv2 e pode funcionar em qualquer distribui\u00e7\u00e3o Linux com um n\u00facleo superior a 3.0. Pacotes prontos do Firejail est\u00e3o dispon\u00edveis nos formatos deb (Debian, Ubuntu) e rpm (CentOS, Fedora).      <\/p>\n<p>Para isolamento no Firejail, s\u00e3o utilizados espa\u00e7os de nomes (namespaces), AppArmor e filtragem de chamadas de sistema (seccomp-bpf) no Linux. Ap\u00f3s a execu\u00e7\u00e3o, o programa e todos os seus processos-filhos utilizam vis\u00f5es separadas dos recursos do n\u00facleo, como a pilha de rede, a tabela de processos e os pontos de montagem. Aplicativos interdependentes podem ser agrupados em um \u00fanico sandbox. Se desejado, o Firejail tamb\u00e9m pode ser usado para executar cont\u00eaineres Docker, LXC e OpenVZ.     <\/p>\n<p>Ao contr\u00e1rio das ferramentas de isolamento de cont\u00eainer, o firejail \u00e9 extremamente simples de configurar e n\u00e3o requer a prepara\u00e7\u00e3o de uma imagem do sistema \u2014 o conte\u00fado do cont\u00eainer \u00e9 gerado dinamicamente com base no conte\u00fado do sistema de arquivos atual e \u00e9 removido ap\u00f3s a conclus\u00e3o do aplicativo. S\u00e3o fornecidos meios flex\u00edveis para definir regras de acesso ao sistema de arquivos, permitindo especificar quais arquivos e diret\u00f3rios t\u00eam acesso permitido ou negado, montar sistemas de arquivos tempor\u00e1rios (tmpfs) para dados, restringir o acesso a arquivos ou diret\u00f3rios apenas para leitura, e combinar diret\u00f3rios via bind-mount e overlayfs.      <\/p>\n<p>Para um grande n\u00famero de aplicativos populares, incluindo Firefox, Chromium, VLC e Transmission, perfis de isolamento de chamadas de sistema prontos foram preparados. Para obter as permiss\u00f5es necess\u00e1rias para configurar um ambiente isolado, o execut\u00e1vel firejail \u00e9 instalado com a flag SUID root (as permiss\u00f5es s\u00e3o resetadas ap\u00f3s a inicializa\u00e7\u00e3o). Para executar um programa em modo de isolamento, basta fornecer o nome do aplicativo como argumento para a ferramenta firejail, por exemplo, \u201cfirejail firefox\u201d ou \u201csudo firejail \/etc\/init.d\/nginx start\u201d.   <\/p>\n<p>No novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> Um filtro seccomp de chamadas de sistema foi adicionado, bloqueando a cria\u00e7\u00e3o de espa\u00e7os de nomes (uma op\u00e7\u00e3o \u201c--restrict-namespaces\u201d foi adicionada para ativa\u00e7\u00e3o). As tabelas de chamadas de sistema e grupos seccomp foram atualizadas.\n<li class=\"l\"> O modo force-nonewprivs (NO_NEW_PRIVS) foi aprimorado, proibindo a obten\u00e7\u00e3o de privil\u00e9gios adicionais em novos processos.\n<li class=\"l\"> Foi adicionada a possibilidade de usar perfis personalizados do AppArmor (uma op\u00e7\u00e3o \u201c--apparmor\u201d foi proposta para ativa\u00e7\u00e3o).\n<li class=\"l\"> No sistema de rastreamento de tr\u00e1fego de rede nettrace, que exibe informa\u00e7\u00f5es sobre IP e intensidade de tr\u00e1fego de cada endere\u00e7o, foi implementado suporte para ICMP e propostas de op\u00e7\u00f5es \u201c--dnstrace\u201d, \u201c--icmptrace\u201d e \u201c--snitrace\u201d.\n<li class=\"l\"> Os comandos --cgroup e --shell foram removidos (por padr\u00e3o, --shell=none \u00e9 aplicado). A montagem do firetunnel foi interrompida por padr\u00e3o. As configura\u00e7\u00f5es chroot, private-lib e tracelog em \/etc\/firejail\/firejail.config foram desativadas. O suporte ao grsecurity foi encerrado.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58493\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Firejail 0.9.72, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445, \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u043d\u044b\u0445 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0438\u0441\u043a \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u043d\u0435 \u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u0438\u043b\u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c. \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\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 \u0438 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432 \u043b\u044e\u0431\u043e\u043c \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0435 Linux \u0441 \u044f\u0434\u0440\u043e\u043c \u0441\u0442\u0430\u0440\u0448\u0435 3.0. \u0413\u043e\u0442\u043e\u0432\u044b\u0435 \u043f\u0430\u043a\u0435\u0442\u044b \u0441 Firejail \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b [&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-106390","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com 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executar.","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sistemy-izolyaczii-prilozhenij-firejail-0-9-72","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","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\u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 Firejail 0.9.72 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 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