{"id":183242,"date":"2026-09-03T22:54:27","date_gmt":"2026-09-03T20:54:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-sistemy-glubokogo-inspektirovaniya-paketov-ndpi-6-0"},"modified":"2026-09-03T22:54:29","modified_gmt":"2026-09-03T20:54:29","slug":"release-of-ndpi-6-0-deep-packet-inspection-system","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/release-of-ndpi-6-0-deep-packet-inspection-system","title":{"rendered":"Lan\u00e7amento do sistema de inspec\u00e7\u00e3o profunda de pacotes nDPI 6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>O projeto ntop, que desenvolve ferramentas para captura e an\u00e1lise de tr\u00e1fego, publicou um conjunto de ferramentas para inspe\u00e7\u00e3o profunda de pacotes nDPI 6.0, dando continuidade ao desenvolvimento da biblioteca OpenDPI. O projeto nDPI foi criado ap\u00f3s uma tentativa malsucedida de enviar altera\u00e7\u00f5es para o reposit\u00f3rio OpenDPI, que ficou sem manuten\u00e7\u00e3o. O c\u00f3digo nDPI \u00e9 escrito em C e \u00e9 distribu\u00eddo sob a licen\u00e7a LGPLv3.    <\/p>\n<p>O sistema permite identificar os protocolos de n\u00edvel de aplicativo no tr\u00e1fego, analisando a natureza da atividade da rede sem uma liga\u00e7\u00e3o aos ports de rede (pode identificar protocolos conhecidos cujos manipuladores aceitam conex\u00f5es em ports de rede n\u00e3o padr\u00e3o, por exemplo, se http n\u00e3o \u00e9 enviado pela porta 80, ou, inversamente, quando alguma outra atividade de rede tenta se camuflar como http ao ser executada na porta 80).        <\/p>\n<p>As diferen\u00e7as em rela\u00e7\u00e3o ao OpenDPI resumem-se ao suporte para protocolos adicionais, portabilidade para a plataforma Windows, otimiza\u00e7\u00e3o de desempenho, adapta\u00e7\u00e3o para uso em aplica\u00e7\u00f5es de monitoramento de tr\u00e1fego em tempo real (algumas funcionalidades espec\u00edficas que retardavam o motor foram removidas), a possibilidade de compila\u00e7\u00e3o como m\u00f3dulo do kernel Linux e suporte para identifica\u00e7\u00e3o de subprotoc\u00f3los.     <\/p>\n<p>Suporta a identifica\u00e7\u00e3o de 56 tipos de amea\u00e7as de rede (flow risk) e mais de 450 protocolos e aplicativos (de OpenVPN, Tor, QUIC, SOCKS, BitTorrent e IPsec at\u00e9 Telegram, Viber, WhatsApp, PostgreSQL e chamadas ao Gmail, Office 365, Google Docs e YouTube). Inclui um decodificador de certificados de servidor e cliente, <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\">SSL<\/a>-certificados, que permite identificar o protocolo (por exemplo, Citrix Online e Apple iCloud), utilizando o certificado de criptografia. Para an\u00e1lise do conte\u00fado de dumps pcap ou tr\u00e1fego atual atrav\u00e9s da interface de rede, \u00e9 fornecida a ferramenta nDPIreader.      <\/p>\n<p>No novo lan\u00e7amento:  <\/p>\n<ul>\n<li class=\"l\"> As condi\u00e7\u00f5es de licen\u00e7a foram alteradas. A biblioteca b\u00e1sica nDPI continua a ser distribu\u00edda sob a licen\u00e7a LGPLv3, mas alguns m\u00f3dulos de an\u00e1lise de tr\u00e1fego, como DNS, QUIC e TLS, foram transferidos para uma licen\u00e7a dupla: LGPLv3 para projetos n\u00e3o comerciais e uma licen\u00e7a comercial para projetos que geram lucro.\n<li class=\"l\"> Foi adicionada a capacidade de detectar e bloquear ataques DoS do tipo Slowloris, Slow POST e Slow GET, nos quais o cliente recebe uma resposta ou envia uma solicita\u00e7\u00e3o muito lentamente, sem fechar a conex\u00e3o, mas n\u00e3o permitindo interrup\u00e7\u00f5es por timeout, o que permite esgotar o limite de conex\u00f5es ativas.\n<li class=\"l\"> Aumentou a confiabilidade da forma\u00e7\u00e3o de impress\u00f5es de tr\u00e1fego JA4, permitindo detectar atividades maliciosas. Para reduzir a probabilidade de falsos positivos, foi implementada a computa\u00e7\u00e3o seletiva de hashes JA4, que n\u00e3o abrange algumas extens\u00f5es TLS dependentes da sess\u00e3o, como a extens\u00e3o para renova\u00e7\u00e3o de sess\u00f5es atrav\u00e9s de chaves previamente negociadas (PSK), que diminuem a singularidade dos hashes JA4.\n<li class=\"l\"> Suporte adicionado para o mecanismo de rastreamento USDT (Userland Statically Defined Tracing), integrado ao aplicativo e que n\u00e3o gera carga adicional quando desativado. O USDT permite inspecionar o funcionamento do nDPI por meio das utilidades bpftrace e perf em ambientes de trabalho <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-gdansk\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\">servidores<\/a> sem o uso de compila\u00e7\u00f5es de depura\u00e7\u00e3o separadas.\n<li class=\"l\"> Suporte adicionado para inspecionar os protocolos Meshtastic, libp2p, YGGDRASIL e Nebula, utilizados em redes overlay e mesh.\n<li class=\"l\"> Implementada a possibilidade de classifica\u00e7\u00e3o de dados nos formatos JSON e MsgPack, al\u00e9m da separa\u00e7\u00e3o de atividades relacionadas a diferentes servi\u00e7os do GitHub (Copilot, Packages, Actions) e Proton (Mail, Pass, Drive, Calendar, Docs, Wallet, Lumo, Meet).\n<li class=\"l\"> Suporte adicionado para a identifica\u00e7\u00e3o de tr\u00e1fego de chamadas de voz e v\u00eddeo.\n<li class=\"l\"> Novas categorias de gerenciamento de conte\u00fado foram propostas: crian\u00e7as, motores de busca, viol\u00eancia, drogas e armas.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66198\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 ntop, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u0437\u0430\u0445\u0432\u0430\u0442\u0430 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0433\u043b\u0443\u0431\u043e\u043a\u043e\u0433\u043e \u0438\u043d\u0441\u043f\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f 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