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	<title>MITM &#8211; Réseau CERTA</title>
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	<title>MITM &#8211; Réseau CERTA</title>
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	<item>
		<title>Téléphonie IP avec Asterisk (GSB)</title>
		<link>https://www.reseaucerta.org/tlphonie-ip-avec-asterisk-gsb/</link>
					<comments>https://www.reseaucerta.org/tlphonie-ip-avec-asterisk-gsb/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Fri, 16 Dec 2016 09:31:28 +0000</pubDate>
				<category><![CDATA[Archives]]></category>
		<category><![CDATA[Bloc 3 - Cybersécurité des services informatiques - SISR]]></category>
		<category><![CDATA[Côté labo 🧪]]></category>
		<category><![CDATA[SISR3 Exploitation des services]]></category>
		<category><![CDATA[ARP Poisonning]]></category>
		<category><![CDATA[Asterisk]]></category>
		<category><![CDATA[chiffrement TLS]]></category>
		<category><![CDATA[MITM]]></category>
		<category><![CDATA[softphone]]></category>
		<category><![CDATA[ToIP]]></category>
		<category><![CDATA[VoIP]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=2044</guid>

					<description><![CDATA[Ce Côté Labo a pour objectif de mettre en place une maquette complète de ToIP autour du serveur IPBX Asterisk. Au delà de la présentation des fonctionnalités de base offertes par le logiciel, les travaux menés permettent d'illustrer un aspect lié à la sécurité d'une infrastructure TOI...]]></description>
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					<h1 class="elementor-heading-title elementor-size-default">Mise en place et sécurisation d’une infrastructure de téléphonie IP avec Asterisk pour le contexte GSB.</h1>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Public concerné <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									SISR3								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Matière <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4da.png" alt="📚" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-widget-container">
									Bloc 2 SISR – Administration des systèmes et des réseaux								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Présentation <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4cb.png" alt="📋" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Ce C&ocirc;t&eacute; Labo a pour objectif de mettre en place une maquette compl&egrave;te de ToIP autour du serveur IPBX Asterisk. Au del&agrave; de la pr&eacute;sentation des fonctionnalit&eacute;s de base offertes par le logiciel, les travaux men&eacute;s permettent d&rsquo;illustrer un aspect li&eacute; &agrave; la s&eacute;curit&eacute; d&rsquo;une infrastructure TOIP, &agrave; savoir la pr&eacute;vention des &eacute;coutes clandestines (attaque de type eavesdropping) et de mettre en place un trunk SIP.</p>

<p>Il s&rsquo;inscrit dans le contexte GSB et est d&eacute;coup&eacute; en plusieurs activit&eacute;s :</p>

<ul>
	<li><strong>Activit&eacute; 1</strong> : installation, prise en main d&rsquo;Asterisk et une premi&egrave;re d&eacute;couverte des fonctionnalit&eacute;s ;</li>
	<li><strong>Activit&eacute; 2</strong> : d&eacute;couverte des principales fonctionnalit&eacute;s ;</li>
	<li><strong>Activit&eacute; 3</strong> : utilisation de t&eacute;l&eacute;phones IP ;</li>
	<li><strong>Activit&eacute; 4</strong> : mise en place d&rsquo;une &eacute;coute clandestine ;</li>
	<li><strong>Activit&eacute; 5</strong> : mise en place de contre-mesures avec chiffrement ;</li>
	<li><strong>Activit&eacute; 6</strong> : mise en place d&rsquo;un plan d&rsquo;appel inter-sites avec utilisation d&rsquo;un trunk IAX.</li>
</ul>
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					<h4 class="elementor-heading-title elementor-size-default">Prérequis <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/26a1.png" alt="⚡" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									Commandes de base d’administration d’un système Linux								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Savoirs <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f393.png" alt="🎓" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong>Savoir-faire</strong></p>

<ul>
	<li>Caract&eacute;riser les &eacute;l&eacute;ments n&eacute;cessaires &agrave; la qualit&eacute; et &agrave; la s&eacute;curit&eacute; d&#39;un service</li>
	<li>Installer et configurer les &eacute;l&eacute;ments n&eacute;cessaires &agrave; la qualit&eacute; et &agrave; la continuit&eacute; du service</li>
	<li>Administrer et s&eacute;curiser un service</li>
	<li>Contr&ocirc;ler et am&eacute;liorer les performances d&rsquo;un service</li>
	<li>Valider et documenter la qualit&eacute; et la s&eacute;curit&eacute; d&#39;un service</li>
</ul>

<p><strong>Savoirs associ&eacute;s</strong></p>

<ul>
	<li>Qualit&eacute; et s&eacute;curit&eacute; des services, m&eacute;thodes, technologies, techniques, normes et standards associ&eacute;s</li>
</ul>
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					<h4 class="elementor-heading-title elementor-size-default">Compétences <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4aa.png" alt="💪" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<ul>
</ul>

<p><strong>B2.1 SISR &#8211; Concevoir une solution d&rsquo;infrastructure r&eacute;seau</strong></p>

<ul>
	<li>Proposition d&rsquo;une solution d&rsquo;infrastructure</li>
	<li>Prise en compte du niveau de s&eacute;curit&eacute; n&eacute;cessaire &agrave; une infrastructure</li>
</ul>

<p><strong>B2.2 SISR &#8211; Installer, tester et d&eacute;ployer une solution d&rsquo;infrastructure r&eacute;seau</strong></p>

<p>&nbsp;</p>

<ul>
	<li>Installer et configurer des &eacute;l&eacute;ments d&rsquo;infrastructure</li>
</ul>

<p><strong>B2.3 SISR &#8211; Exploiter, d&eacute;panner et superviser une solution d&rsquo;infrastructure r&eacute;seau</strong></p>

<ul>
	<li>Administrer sur site et &agrave; distance des &eacute;l&eacute;ments d&rsquo;une infrastructure</li>
	<li>&Eacute;valuer, maintenir et am&eacute;liorer la qualit&eacute; d&rsquo;un service</li>
</ul>
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					<h4 class="elementor-heading-title elementor-size-default">Outils <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f6e0.png" alt="🛠" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p>Un serveur physique ou une machine virtuelle (Vmware, VirtualBox&hellip;), Asterisk 11.13.1, Debian Jessie, t&eacute;l&eacute;phones IP compatibles SIP, un commutateur PoE, une machine cliente sous Linux pour r&eacute;aliser l&rsquo;attaque.</p>

<p>Site officiel : <a href="http://www.asterisk.org" target="_blank">http://www.asterisk.org</a></p>
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					<h4 class="elementor-heading-title elementor-size-default">Téléchargements <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4e5.png" alt="📥" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									<p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> coteLaboAsterisk-Presentation.pdf</strong><br>Fichier libre &#8211; <a href="/wp-content/uploads/laboratoires/coteLaboAsterisk-Presentation.pdf" target="_blank">Télécharger</a> (493.17 KB)</p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4ce.png" alt="📎" class="wp-smiley" style="height: 1em; max-height: 1em;" /> coteLaboAsterisk_v1.zip</strong><br>Fichier libre &#8211; <a href="/wp-content/uploads/laboratoires/coteLaboAsterisk_v1.zip" target="_blank">Télécharger</a> (4.26 MB)</p><p><strong><img src="https://s.w.org/images/core/emoji/17.0.2/72x72/2705.png" alt="✅" class="wp-smiley" style="height: 1em; max-height: 1em;" /> coteLaboAsterisk_v1_corrige.zip</strong><br>Corrigé disponible &#8211; <a href="/wp-content/uploads/laboratoires/private/coteLaboAsterisk_v1_corrige.zip" target="_blank">Télécharger</a></p>								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Mots-clés ﹟</h4>				</div>
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									ToIP, VoIP, Asterisk, MITM, ARP Poisonning, chiffrement TLS, softphone								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Version <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4dd.png" alt="📝" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									V1.0								</div>
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									16/12/2016								</div>
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									Patrice DIGNAN, David DURON, Apollonie RAFFALLI, avec la relecture et les suggestions de Yann Barrot								</div>
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