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        <title>Creating and Applying SSL Certificate to Apache Guacamole</title>
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            <h1>Creating and Applying SSL Certificate to Apache Guacamole</h1>
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          <h2>Create Your SSL Certificate</h2>

<ol>
	<li>Launch XCA</li>
	<li>Open the PKI database if it is not already (File &gt; Open DataBase), enter password</li>
	<li>Click on the Certificates tab, right click on your Intermediate CA certificate</li>
	<li>Select New</li>
	<li>On the Source tab, make sure Use this Certificate for signing is selected</li>
	<li>Verify your Intermediate CA certificate is selected from the drop down</li>
	<li>Click the Subject tab</li>
	<li>Complete the Distinguished Name section
	<p>internalName: Guacamole SSL<br />
	countryName: US<br />
	stateOrProvinceName: Virginia<br />
	localityName: Northern<br />
	organizationName: i12bretro<br />
	organizationUnitName: i12bretro Certificate Authority<br />
	commonName: remote.i12bretro.local</p>
	</li>
	<li>Click the Generate a New Key button</li>
	<li>Enter a name and set the key size to at least 2048</li>
	<li>Click Create</li>
	<li>Click on the Extensions tab</li>
	<li>Select End Entity from the type list</li>
	<li>Click Edit next to Subject Alternative Name</li>
	<li>Add any DNS or IP addresses that the certificate will identify</li>
	<li>Update the validity dates to fit your needs</li>
	<li>Click the Key Usage tab</li>
	<li>Under Key Usage select Digital Signature, Key Enchiperment</li>
	<li>Under Extended Key Usage select Web Server and Web Client Authentication</li>
	<li>Click the Netscape tab</li>
	<li>Select SSL Server</li>
	<li>Click OK to create the certificate</li>
</ol>

<h2>Exporting Required Files</h2>

<ol>
	<li>In XCA, click on the Certificates tab</li>
	<li>Right click the Intermediate CA certificate &gt; Export &gt; File</li>
	<li>Set the file name with a .crt extension and verify the export format is PEM chain (*.pem)</li>
	<li>Click OK</li>
	<li>Right click the SSL certificate &gt; Export &gt; File</li>
	<li>Set the file name with a .crt extension and verify the export format is PEM (*.crt)</li>
	<li>Click OK</li>
	<li>Click the Private Keys tab</li>
	<li>Right click the private key generated for the SSL certificate &gt; Export &gt; File</li>
	<li>Set the file name with a .key extension and verify the export format is PEM private (*.pem)</li>
	<li>Click OK</li>
</ol>

<h2>Applying the Certificates</h2>

<ol>
	<li>Download WinSCP <a href="https://winscp.net/eng/downloads.php" target="_blank">Download</a></li>
	<li>Extract WinSCP and run the executable</li>
	<li>Connect to the Apache Guacamole server via WinSCP</li>
	<li>Copy the created .crt, .key and .pem files to ~/</li>
	<li>On the Guacamole server, run the following command in a terminal
	<div class="codeBlock">sudo cp ~/remote.i12bretro.local.crt /var/lib/tomcat9/<br />
	sudo cp ~/remote.i12bretro.local.key /var/lib/tomcat9/<br />
	sudo cp ~/CA-Chain.pem /var/lib/tomcat9/<br />
	sudo chown :tomcat /var/lib/tomcat9/remote.i12bretro.local.crt<br />
	sudo chown :tomcat /var/lib/tomcat9/remote.i12bretro.local.key<br />
	sudo chown :tomcat /var/lib/tomcat9/CA-Chain.pem<br />
	sudo cp /var/lib/tomcat9/conf/server.xml /var/lib/tomcat9/conf/server.xml.bkup<br />
	sudo nano /var/lib/tomcat9/conf/server.xml</div>
	</li>
	<li>Edit the server.xml file adding the following connector block
	<p>&lt;connector port=&quot;8443&quot;<br />
	protocol=&quot;org.apache.coyote.http11.Http11NioProtocol&quot;<br />
	maxThreads=&quot;150&quot;<br />
	SSLEnabled=&quot;true&quot;<br />
	SSLProtocol=&quot;TLS&quot;<br />
	clientAuth=&quot;false&quot;<br />
	secure=&quot;true&quot;<br />
	scheme=&quot;https&quot;<br />
	SSLCertificateFile=&quot;/var/lib/tomcat9/remote.i12bretro.local.crt&quot;<br />
	SSLCertificateKeyFile=&quot;/var/lib/tomcat9/remote.key&quot;<br />
	SSLCertificateChainFile=&quot;/var/lib/tomcat9/CA-Chain.pem&quot;<br />
	keyAlias=&quot;remote.i12bretro.local&quot;<br />
	sslEnabledProtocols=&quot;TLSv1.1+TLSv1.2&quot;&gt;&lt;/connector&gt;</p>
	</li>
	<li>Press CTRL+O, Enter, CTRL+X</li>
	<li>Run the following command in terminal to restart the Gaucamole Tomcat server
	<div class="codeBlock">sudo systemctl restart tomcat9</div>
	</li>
	<li>Open a web browser and navigate to Apache Guacamole via https://</li>
</ol>

<h2>Optional Steps</h2>

<ol>
	<li>To redirect all http traffic to communicate securely with https, run the following in a terminal
	<div class="codeBlock">sudo nano /var/lib/tomcat9/conf/web.xml</div>
	</li>
	<li>At the bottom of the file above the closing tag for web-app paste the following
	<p>&lt;security-constraint&gt;<br />
	&lt;web-resource-collection&gt;<br />
	&lt;web-resource-name&gt;Protected Context&lt;/web-resource-name&gt;<br />
	&lt;url-pattern&gt;/*&lt;/url-pattern&gt;<br />
	&lt;/web-resource-collection&gt;<br />
	&lt;user-data-constraint&gt;<br />
	&lt;transport-guarantee&gt;CONFIDENTIAL&lt;/transport-guarantee&gt;<br />
	&lt;/user-data-constraint&gt;<br />
	&lt;/security-constraint&gt;</p>
	</li>
</ol>
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