{"id":123601,"date":"2025-04-19T09:05:08","date_gmt":"2025-04-19T07:05:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-ntp-servera-ntpsec-1-2-4"},"modified":"2025-04-19T09:05:08","modified_gmt":"2025-04-19T07:05:08","slug":"vypusk-ntp-servera-ntpsec-1-2-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-ntp-servera-ntpsec-1-2-4","title":{"rendered":"Lan\u00e7amento do servidor NTP NTPsec 1.2.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s mais de um ano de desenvolvimento, foi lan\u00e7ado o servidor de sincroniza\u00e7\u00e3o de tempo preciso NTPsec 1.2.4. O projeto foi criado como um fork da implementa\u00e7\u00e3o de refer\u00eancia do protocolo NTPv4 (NTP Classic 4.3.34), focando na reestrutura\u00e7\u00e3o da base de c\u00f3digo para aumentar a seguran\u00e7a. O c\u00f3digo-fonte do NTPsec \u00e9 distribu\u00eddo sob as licen\u00e7as BSD, MIT e NTP.    <\/p>\n<p>O NTPsec \u00e9 desenvolvido sob a lideran\u00e7a de Eric Raymond, com a participa\u00e7\u00e3o de alguns desenvolvedores do original NTP Classic, engenheiros das empresas Hewlett Packard e Akamai Technologies, assim como dos projetos GPSD e RTEMS. Entre as diferen\u00e7as em rela\u00e7\u00e3o ao NTP Classic destaca-se a adi\u00e7\u00e3o do suporte ao protocolo NTS (Network Time Security), a redu\u00e7\u00e3o do tamanho da base de c\u00f3digo em mais de duas vezes (removendo funcionalidades obsoletas e plataformas n\u00e3o relevantes), a implementa\u00e7\u00e3o de um modo aut\u00f4nomo, a ado\u00e7\u00e3o de m\u00e9todos de preven\u00e7\u00e3o de ataques (por exemplo, filtragem de chamadas de sistema) e a transi\u00e7\u00e3o para fun\u00e7\u00f5es seguras para manipula\u00e7\u00e3o de mem\u00f3ria e strings.        <\/p>\n<p>Na nova vers\u00e3o:  <\/p>\n<ul>\n<li class=\"l\"> Adicionada a configura\u00e7\u00e3o &#171;extra port xxxx&#187; para receber solicita\u00e7\u00f5es em uma porta de rede adicional, al\u00e9m da porta principal configurada atrav\u00e9s de &#171;nts port xxxx&#187;. A porta adicional pode ser \u00fatil para contornar bloqueios ao acessar servidores NTP externos, impostos por firewalls.\n<li class=\"l\"> Adicionada suporte \u00e0 constru\u00e7\u00e3o em sistemas Linux com arquitetura armhf.\n<li class=\"l\"> Garantida a opera\u00e7\u00e3o do ntpd em sistemas no modo FIPS.\n<li class=\"l\"> O sistema de constru\u00e7\u00e3o Waf foi atualizado para a vers\u00e3o 2.1.4. No Debian, a instala\u00e7\u00e3o de utilit\u00e1rios escritos em Python, como ntpq e ntpmon, agora acontece no diret\u00f3rio &#171;\\\/usr\\\/local\\\/lib\\\/python3.xx\\\/site-packages&#187;, em vez de &#171;\\\/usr\\\/local\\\/lib\\\/python3.xx\\\/dist-packages&#187;. O comando &#171;waf install&#187; inclui testes dos execut\u00e1veis instalados, e agora, atrav\u00e9s do comando &#171;waf configure &#8212;enable-Werror&#187;, \u00e9 poss\u00edvel ativar o tratamento de avisos do compilador como erros.\n<li class=\"l\"> A vers\u00e3o m\u00ednima do Python declarada \u00e9 a 2.7. O suporte ao Python 2 est\u00e1 previsto para ser encerrado na pr\u00f3xima vers\u00e3o.\n<li class=\"l\"> A op\u00e7\u00e3o &#171;&#8212;disable-fuzz&#187; foi aplicada por padr\u00e3o, desativando o mecanismo &#171;Clock fuzzing&#187; (introdu\u00e7\u00e3o de deslocamentos aleat\u00f3rios em milissegundos no tempo fornecido aos clientes, sem afetar a precis\u00e3o geral, mas impedindo que invasores prevejam o valor real do tempo).\n<li class=\"l\"> Removidos res\u00edduos de c\u00f3digo relacionados ao funcionamento nos modos broadcast e multicast.\n<li class=\"l\"> No ntpdig, adicionada uma op\u00e7\u00e3o para vincular a um especificado <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/lir\/ipv4\/\"   title=\"endere\u00e7o IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"610\">endere\u00e7o IP<\/a>.\n<li class=\"l\"> Na configura\u00e7\u00e3o NTS-KE, foi adicionada uma op\u00e7\u00e3o para configurar a lista de algoritmos de criptografia preferenciais para TLS.\n<li class=\"l\"> Em vez de ntp_adjtime, foi utilizada a chamada ntp_gettime.       <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63103\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u043e\u0447\u043d\u043e\u0433\u043e \u0432\u0440\u0435\u043c\u0435\u043d\u0438 NTPsec 1.2.4. \u041f\u0440\u043e\u0435\u043a\u0442 \u0431\u044b\u043b \u0441\u043e\u0437\u0434\u0430\u043d \u043a\u0430\u043a \u0444\u043e\u0440\u043a \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 NTPv4 (NTP Classic 4.3.34), \u0441\u0444\u043e\u043a\u0443\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b \u0441 \u0446\u0435\u043b\u044c\u044e \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u043a\u043e\u0434 NTPsec \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\u044f\u043c\u0438 BSD, MIT \u0438 NTP. NTPsec \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e\u043c \u042d\u0440\u0438\u043a\u0430 \u0420\u0435\u0439\u043c\u043e\u043d\u0434\u0430 (Eric S. Raymond) \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 [&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-123601","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 -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0431\u043e\u043b\u0435\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0430 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