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            <h1>Create and Apply SSL Certificate to OpenWRT LuCI Web Interface</h1>
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          <h2>Prerequisites</h2>

<ul>
	<li class="noCheckbox">A XCA PKI database <a href="https://youtu.be/ezzj3x207lQ" target="_blank">https://youtu.be/ezzj3x207lQ</a></li>
</ul>

<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: openwrt.i12bretro.local<br />
	countryName: US<br />
	stateOrProvinceName: Virginia<br />
	localityName: Northern<br />
	organizationName: i12bretro<br />
	organizationUnitName: i12bretro Certificate Authority<br />
	commonName: openwrt.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 Encipherment</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 to uhttpd.crt 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 to uhttpd.key and verify the export format is PEM private (*.pem)</li>
	<li>Click OK</li>
</ol>

<h2>Installing Prerequisites</h2>

<ol>
	<li>Log into OpenWRT via SSH</li>
	<li>Run the following commands to install prerequisites
	<div class="codeBlock"># update opkg packages<br />
	opkg update<br />
	# install prerequisite packages<br />
	opkg install luci-lib-px5g px5g-standalone libustream-openssl<br />
	# install/update luci<br />
	opkg install luci<br />
	# restart uhttpd service<br />
	/etc/init.d/uhttpd restart</div>
	</li>
	<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 OpenWRT IP address via WinSCP</li>
	<li>Navigate to /etc</li>
	<li>Rename uhttpd.crt and uhttpd.key to .old</li>
	<li>Copy the created uhttpd.crt and uhttpd.key to /etc</li>
	<li>Back in the terminal, run the following command to restart uhttpd
	<div class="codeBlock">/etc/init.d/uhttpd restart</div>
	</li>
</ol>

<h2>Applying SSL Certificates in Open-WRT</h2>

<ol>
	<li>Open a web browser and navigate to https://OpenWRT_IP</li>
	<li>Authenticate at the Open-WRT login</li>
	<li>Select System &gt; System from the top navigation</li>
	<li>Set the hostname to match the hostname of the SSL certificate</li>
	<li>Click the Save &amp; Apply button </li>
</ol>

<p>Source: https://fabianlee.org/2016/09/19/openwrt-enabling-https-for-the-luci-web-admin-interface/</p>          </div>
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