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- <h1>Creating and Applying SSL Certificate for OpenVPN Access Server</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 > 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: OpenVPN-AS SSL<br />
- countryName: US<br />
- stateOrProvinceName: Virginia<br />
- localityName: Northern<br />
- organizationName: i12bretro<br />
- organizationUnitName: i12bretro Certificate Authority<br />
- commonName: vpn.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 Intermediate CA certificate > Export > 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 > Export > 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 > Export > 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 OpenVPN Access Server</span></li>
- <li><span>Click Configuration > Webserver in the left navigation</span></li>
- <li>Scroll down to the bottom of the page and upload the CA, certificate and key exported earlier</li>
- <li>Click the Validate button</li>
- <li>Click the Save button at the bottom</li>
- <li><span id="li_819660_10">Click the Update Running Server button</span></li>
- <li>Wait a few moments and refresh the page</li>
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