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	<title>VoIP &#8211; Réseau CERTA</title>
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	<link>https://www.reseaucerta.org</link>
	<description>Des ressources pour enseigner le numérique</description>
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	<title>VoIP &#8211; Réseau CERTA</title>
	<link>https://www.reseaucerta.org</link>
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	<item>
		<title>Maquettage d’une infrastructure TOIP sur Packet Tracer</title>
		<link>https://www.reseaucerta.org/maquettage-dune-infrastructure-toip-sur-packet-tracer/</link>
					<comments>https://www.reseaucerta.org/maquettage-dune-infrastructure-toip-sur-packet-tracer/#respond</comments>
		
		<dc:creator><![CDATA[Administrateur Certa]]></dc:creator>
		<pubDate>Mon, 17 Apr 2017 20:39:05 +0000</pubDate>
				<category><![CDATA[_BTS SIO]]></category>
		<category><![CDATA[Bloc 2 - Administration des systèmes et des réseaux]]></category>
		<category><![CDATA[Exolab 🖥️]]></category>
		<category><![CDATA[802.1Q]]></category>
		<category><![CDATA[ip]]></category>
		<category><![CDATA[Packet Tracer]]></category>
		<category><![CDATA[routage]]></category>
		<category><![CDATA[ToIP]]></category>
		<category><![CDATA[Vlan]]></category>
		<category><![CDATA[Voice Vlan]]></category>
		<category><![CDATA[VoIP]]></category>
		<guid isPermaLink="false">https://www.reseaucerta.org/?p=6007</guid>

					<description><![CDATA[La ressource propose aux étudiants de simuler une maquette mettant en &#339;uvre un réseau comportant deux Vlan : un Vlan DATA et un Vlan VOIP. Les téléphones CISCO récupèrent leur configuration sur l'UCME. Les flux voix arrivent tagués sur le commutateur (notion de voice Vlan) alors que l...]]></description>
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					<h1 class="elementor-heading-title elementor-size-default">Maquettage d’une solution TOIP, en utilisant les solutions CISCO (UCME) proposées sur Packet Tracer, avec connexion des stations de travail derrière les téléphones.</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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									BTS Services Informatiques aux Organisations								</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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				</div>
				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Durée <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/23f1.png" alt="⏱" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									1h15 à 1h45								</div>
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				<div class="elementor-widget-container">
					<h4 class="elementor-heading-title elementor-size-default">Type d'outil <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f527.png" alt="🔧" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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				<div class="elementor-widget-container">
									Packet Tracer								</div>
				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Nom d'outil <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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									Packet Tracer								</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><strong>La ressource propose aux &eacute;tudiants de simuler une maquette mettant en &oelig;uvre un r&eacute;seau comportant deux Vlan : un Vlan DATA et un Vlan VOIP.</strong><br />
Les t&eacute;l&eacute;phones CISCO r&eacute;cup&egrave;rent leur configuration sur l&rsquo;UCME. Les flux voix arrivent tagu&eacute;s sur le commutateur (notion de voice Vlan) alors que les flux DATA arrivent non tagu&eacute;s.<br />
Le mode simulation permet de visualiser le n&deg; de Vlan sur les liens tagu&eacute;s.</p>

<p>Le maquettage permet &eacute;galement de r&eacute;viser d&rsquo;autres notions comme :</p>

<ul>
	<li>les sous-interfaces ;</li>
	<li>la d&eacute;finition d&rsquo;une plage DHCP sur un routeur CISCO ;</li>
	<li>la d&eacute;finition d&rsquo;une plage DHCP sur un serveur ;</li>
	<li>le routage inter-Vlan et inter-r&eacute;seaux.</li>
</ul>

<p><strong>Un questionnaire, fourni s&eacute;par&eacute;ment, permet de v&eacute;rifier que les &eacute;tudiants se sont appropri&eacute;s les connaissances en faisant l&rsquo;exercice.</strong></p>
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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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									Une maitrise minimale de l’outil Packet Tracer &#8211; Principes de base de la ToIP								</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>Justifier le choix d&rsquo;une solution technique</li>
	<li>Configurer une maquette ou un prototype pour valider une solution</li>
	<li>Configurer les &eacute;l&eacute;ments d&#39;interconnexion permettant de s&eacute;parer les flux</li>
	<li>Exploiter un service de base</li>
	<li>Connecter une solution technique d&rsquo;acc&egrave;s au r&eacute;seau</li>
	<li>Analyser des unit&eacute;s de donn&eacute;es de protocole</li>
	<li>Caract&eacute;riser les &eacute;l&eacute;ments n&eacute;cessaires &agrave; la qualit&eacute;, &agrave; la continuit&eacute; et &agrave; la s&eacute;curit&eacute; d&#39;un service</li>
</ul>

<p><strong>Savoirs associ&eacute;s</strong></p>

<ul>
	<li>Principes d&rsquo;architecture des infrastructures r&eacute;seaux</li>
	<li>Services de base et unit&eacute;s de donn&eacute;es de protocole associ&eacute;es</li>
	<li>Qualit&eacute;, continuit&eacute; et s&eacute;curit&eacute; de service, m&eacute;thodes, technologies, techniques normes et standards associ&eacute;s</li>
</ul>
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				<div class="elementor-widget-container">
					<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>
	<li>Maquettage et prototypage d&rsquo;une solution d&rsquo;infrastructure</li>
	<li>Installation et configuration d&rsquo;&eacute;l&eacute;ments d&rsquo;infrastructure</li>
</ul>
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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;" /> Exolab-Maquettage-TOIP_Enonce.pdf</strong><br>Fichier libre &#8211; <a href="/wp-content/uploads/exolab/Exolab-Maquettage-TOIP_Enonce.pdf" target="_blank">Télécharger</a> (1.23 MB)</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;" /> Exolab-Maquettage-TOIP-Enonce.zip</strong><br>Fichier libre &#8211; <a href="/wp-content/uploads/exolab/Exolab-Maquettage-TOIP-Enonce.zip" target="_blank">Télécharger</a> (4.04 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;" /> Exolab-Maquettage-TOIP-Corrige.zip</strong><br>Corrigé disponible &#8211; <a href="/wp-content/uploads/exolab/private/Exolab-Maquettage-TOIP-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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									VOIP, Routage, IP, Vlan, 802.1Q, Voice Vlan, Packet Tracer, ToIP								</div>
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									V1.0								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Date de publication <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/1f4c5.png" alt="📅" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									17/04/2017								</div>
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					<h4 class="elementor-heading-title elementor-size-default">Auteur.e(s) <img src="https://s.w.org/images/core/emoji/17.0.2/72x72/270d.png" alt="✍" class="wp-smiley" style="height: 1em; max-height: 1em;" /></h4>				</div>
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									David Duron, avec la relecture d’Apollonie Raffalli								</div>
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		]]></content:encoded>
					
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			</item>
		<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>
										<content:encoded><![CDATA[		<div data-elementor-type="wp-post" data-elementor-id="2044" class="elementor elementor-2044">
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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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				<div class="elementor-widget-container">
					<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>
								</div>
				</div>
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				<div class="elementor-widget-container">
					<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>
								</div>
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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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