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vasco
2026-05-11 11:20:47 +01:00
parent e0fa8291fe
commit b03a6987f4
10 changed files with 4802 additions and 78 deletions
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[]\T1/Raleway-OsF/m/n/10.95 Adicionalmente, de-vido às res-tri-ções de se-gu-ra
nça do \T1/Raleway-OsF/m/it/10.95 sys-temd\T1/Raleway-OsF/m/n/10.95 , ten-ta-mo
s de-sa-ti-var o \T1/cmtt/m/n/10.95 ProtectHome
[]
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[]\T1/Raleway-OsF/m/n/10.95 Para ve-ri-fi-car que o OCSP fun-ci-ona cor-rec-ta-
mente, o cli-ente co-nec-tou ao ser-vi-dor OpenVPN:
@@ -1238,44 +1231,58 @@ mente, o cli-ente co-nec-tou ao ser-vi-dor OpenVPN:
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[]\T1/Raleway-OsF/m/n/10.95 Através do tú-nel VPN, ace-de-mos agora ao en-de-re
ço \T1/cmtt/m/n/10.95 https://apache.coimbra \T1/Raleway-OsF/m/n/10.95 no brow-
[]
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@@ -534,7 +534,8 @@ DocumentRoot "/var/www/html"
\item \textbf{Autenticação com o Certificado:} O acesso foi negado ao apresentar certificados inválidos ou ausentes no browser, devolvendo um erro com sobre não conseguir establecer connexão porque falta de certificado.
\end{itemize}
Para Testar o OCSP, fizemos os seguintes paços:
Para testar o OCSP, fizemos os seguintes paços:
\begin{enumerate}
\item Estabelecer a ligação VPN e verificar a conectividade à rede interna.
\item No diretório da autoridade de certificação (máquina \textit{host}), revogar o certificado do utilizador:
@@ -550,11 +551,13 @@ openssl ca -revoke user.crt -config cheese.cfg -keyfile ca.key -cert ca.crt
Para validar, efetuámos um teste integrado englobando todos os requisitos:
\begin{enumerate}
\item Na máquina \textit{Road Warrior}, iniciámos a ligação OpenVPN fornecendo o certificado de cliente e, como password, a concatenação da password do utilizador com o código TOTP gerado pelo \textit{Google Authenticator}.
\item O \textit{Gateway} OpenVPN verificou o certificado cliente contra o servidor OCSP e validou o TOTP, permitindo o estabelecimento do túnel.
\item Através do túnel VPN, acedemos ao endereço \texttt{https://10.60.0.1} no browser.
\item Começamos por iniciar todas as máquinas com os devidos \textit{scripts}.
\item Na máquina \textit{Road Warrior}, iniciámos a ligação OpenVPN com o utilizador, a sua password e o \textit{token} TOTP.
\item O \textit{Gateway} OpenVPN verifica as credenciais e verifica o certificado cliente contra o servidor OCSP.
\item Antes de acedermos ao firefox, temos que verificar que já adicionámos a nossa a nossa CA e o certificado \texttt{p12}.
\item Através do túnel VPN, acedemos agora ao endereço \texttt{https://apache.coimbra} no browser.
\item O servidor Apache solicitou o certificado X.509 do utilizador e validou a sua autenticidade e estado de revogação no OCSP.
\item Finalmente, o Apache apresentou a página de login para o segundo fator, onde inserimos as credenciais e o código TOTP, concedendo acesso à página interna protegida.
\item Finalmente, o Apache apresentou a página de login, onde inserimos as credenciais e o código TOTP.
\end{enumerate}

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\contentsline {subsubsection}{\numberline {5.2.1}Testes}{10}{subsubsection.5.2.1}%
\contentsline {subsection}{\numberline {5.3}Configuração do Serviço OpenSSL}{11}{subsection.5.3}%
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\contentsline {section}{\numberline {6}Teste Integrado}{11}{section.6}%
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