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        <title>Create and Apply SSL Certificates to OPNSense Web UI</title>
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            <h1>Create and Apply SSL Certificates to OPNSense Web UI</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: fw.i12bretro.local<br />
	countryName: US<br />
	stateOrProvinceName: Virginia<br />
	localityName: Northern<br />
	organizationName: i12bretro<br />
	organizationUnitName: i12bretro Certificate Authority<br />
	commonName: fw.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 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 .pk8 extension and verify the export format is PKCS #8 (*.pk8)</li>
	<li>Click OK</li>
</ol>

<h2>Applying the Certificates</h2>

<ol>
	<li><span id="li_989823_0">Log into the OPNSense web UI</span></li>
	<li><span>Click System &gt; Trust &gt; Certificates&nbsp;in the left navigation</span></li>
	<li><span>Click the Add button at the top right</span></li>
	<li><span>Set the Method to Import an existing Certificate</span></li>
	<li>Set the Name to Web UI SSL</li>
	<li>Open the .crt file exported earlier in Notepad, copy the contents to the Certificate data field</li>
	<li>Open the .pk8 file exported earlier in Notepad, copy the contents to the Private key data field</li>
	<li>Scroll down to the bottom of the page and click Save</li>
	<li><span>Click System &gt; Settings &gt; Administration in the left navigation</span></li>
	<li><span>Select HTTPS for the Protocol</span></li>
	<li>Select&nbsp;Web UI SSL from the SSL Certificate dropdown</li>
	<li>Scroll down to the bottom of the page and click Save</li>
	<li>Wait a few seconds for the Web UI to restart and click the https:// link&nbsp;</li>
</ol>
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