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  4. <title>Setting Up OpenWRT OpenVPN Server and Certificate Creation</title>
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  73. <h1>Setting Up OpenWRT OpenVPN Server and Certificate Creation</h1>
  74. </div>
  75. <div></div>
  76. <div id="content">
  77. <h2>Create Required Certificates</h2>
  78. <ol>
  79. <li>Launch XCA</li>
  80. <li>Open the PKI database if it is not already (File &gt; Open DataBase), enter password</li>
  81. <li>Click on the Certificates tab, right click on your Intermediate CA certificate</li>
  82. <li>Select New</li>
  83. <li>On the Source tab, make sure Use this Certificate for signing is selected</li>
  84. <li>Verify your Intermediate CA certificate is selected from the drop down</li>
  85. <li>Click the Subject tab</li>
  86. <li>Complete the Distinguished Name section
  87. <p>internalName: OpenVPN Server<br />
  88. countryName: US<br />
  89. stateOrProvinceName: Virginia<br />
  90. localityName: Northern<br />
  91. organizationName: i12bretro<br />
  92. organizationUnitName: i12bretro Certificate Authority<br />
  93. commonName: vpn.i12bretro.local</p>
  94. </li>
  95. <li>Click the Generate a New Key button</li>
  96. <li>Enter a name and set the key size to at least 2048</li>
  97. <li>Click Create</li>
  98. <li>Click on the Extensions tab</li>
  99. <li>Set the Type dropdown to End Endity</li>
  100. <li>Check the box next to Subject Key Identifier</li>
  101. <li>Update the validity dates to fit your needs</li>
  102. <li>Click the Key Usage tab</li>
  103. <li>Under Key Usage select Digital Signature and Key Encipherment</li>
  104. <li>Under Extended Key Usage select TLS Web Server Authentication</li>
  105. <li>Click the Netscape tab</li>
  106. <li>Deselect all options and clear the Netscape Comment field</li>
  107. <li>Click OK to create the certificate</li>
  108. <li>Click on the Certificates tab, right click on your Intermediate CA certificate again</li>
  109. <li>Select New</li>
  110. <li>On the Source tab, make sure Use this Certificate for signing is selected</li>
  111. <li>Verify your Intermediate CA certificate is selected from the drop down</li>
  112. <li>Click the Subject tab</li>
  113. <li>Complete the Distinguished Name section
  114. <p>internalName: OpenVPN Client #1<br />
  115. countryName: US<br />
  116. stateOrProvinceName: Virginia<br />
  117. localityName: Northern<br />
  118. organizationName: i12bretro<br />
  119. organizationUnitName: i12bretro Certificate Authority<br />
  120. commonName: VPN Client 1</p>
  121. </li>
  122. <li>Click the Generate a New Key button</li>
  123. <li>Enter a name and set the key size to at least 2048</li>
  124. <li>Click Create</li>
  125. <li>Click on the Extensions tab</li>
  126. <li>Set the Type dropdown to End Endity</li>
  127. <li>Check the box next to Subject Key Identifier</li>
  128. <li>Update the validity dates to fit your needs</li>
  129. <li>Click the Key Usage tab</li>
  130. <li>Under Key Usage select Digital Signature, Key Agreement</li>
  131. <li>Under Extended Key Usage select TLS Web Client Authentication</li>
  132. <li>Click the Netscape tab</li>
  133. <li>Deselect all options and clear the Netscape Comment field</li>
  134. <li>Click OK to create the certificate</li>
  135. <li>On the Certificates tab, click the OpenVPN Server certificate</li>
  136. <li>Select Extra &gt; Generate DH Parameter</li>
  137. <li>Type 2048 for DH parameter bits</li>
  138. <li>Click OK</li>
  139. <li>Select a location for dh2048.pem and click Save</li>
  140. </ol>
  141. <h2>Exporting Required Files for OpenVPN</h2>
  142. <ol>
  143. <li>In XCA, click on the Certificates tab</li>
  144. <li>Right click the Intermediate CA certificate &gt; Export &gt; File</li>
  145. <li>Set the file name with a .pem extension and verify the export format is PEM chain (*.pem)</li>
  146. <li>Click OK</li>
  147. <li>Right click the OpenVPN Server certificate &gt; Export &gt; File</li>
  148. <li>Set the file name with a .crt extension and verify the export format is PEM (*.crt)</li>
  149. <li>Click OK</li>
  150. <li>Right click the OpenVPN Client #1 certificate &gt; Export &gt; File</li>
  151. <li>Set the file name with a .crt extension and verify the export format is PEM (*.crt)</li>
  152. <li>Click OK</li>
  153. <li>Click on the Private Keys tab</li>
  154. <li>Right click the OpenVPN Server key &gt; Export &gt; File</li>
  155. <li>Set the file name with a .pk8 extension and verify the export format is PKCS #8 (*.pk8)</li>
  156. <li>Click OK</li>
  157. <li>Right click the OpenVPN Client #1 key&gt; Export &gt; File</li>
  158. <li>Set the file name with a .pk8 extension and verify the export format is PKCS #8 (*.pk8)</li>
  159. <li>Click OK</li>
  160. </ol>
  161. <h2>Setting Up OpenVPN Server in OpenWRT</h2>
  162. <ol>
  163. <li>Open a web browser and navigate to your OpenWRT IP address</li>
  164. <li>Login when prompted</li>
  165. <li>Select System &gt; Software from the navigation menu</li>
  166. <li>Click on the Update lists button to update the software repositories</li>
  167. <li>Click the Dismiss button once the update has completed</li>
  168. <li>Type openvpn in the filter field</li>
  169. <li>Click the Install... button next to openvpn-openssl</li>
  170. <li>Click the Install button to confirm installing with dependencies</li>
  171. <li>Click the Dismiss button once the install has completed</li>
  172. <li>Click the Install... button next to luci-app-openvpn</li>
  173. <li>Click the Install button to confirm installing with dependencies</li>
  174. <li>Click the Dismiss button once the install has completed</li>
  175. <li>Refresh the browser window</li>
  176. <li>Select VPN &gt; OpenVPN from the navigation menu</li>
  177. <li>Under the Template based configuration heading, enter OpenVPNServer as the Instance name and select Server configuration for a routed multi-client VPN as the template &gt; Click Add</li>
  178. <li>Click the Edit button across from the newly created OpenVPNServer entry</li>
  179. <li>Next to ca, click the button, browse to and upload the previously exported CA .pem file</li>
  180. <li>Select the ca .pem file to be used</li>
  181. <li>Next to dh, click the button, browse to and upload the previously exported dh2048.pem file</li>
  182. <li>Select the dh2048.pem file to be used</li>
  183. <li>Next to cert, click the button, browse to and upload the previously exported OpenVPN server .crt file</li>
  184. <li>Select the .crt file to be used</li>
  185. <li>Next to key, click the button, browse to and upload the previously exported OpenVPN server .pk8 file</li>
  186. <li>Select the ca .pk8 file to be used</li>
  187. <li>Click the Additional Field dropdown &gt; Select proto &gt; Click Add</li>
  188. <li>Set the value of proto to udp</li>
  189. <li>Click the Additional Field dropdown &gt; Select port &gt; Click Add</li>
  190. <li>Set the value of port to 1194</li>
  191. <li>Click the Additional Field dropdown &gt; Select dev_type &gt; Click Add</li>
  192. <li>Set the value of dev_type to tun</li>
  193. <li>Scroll to the bottom of the page and click the Save &amp; Apply button</li>
  194. <li>Select VPN &gt; OpenVPN from the navigation menu</li>
  195. <li>Check the Enabled checkbox next to the OpenVPNServer entry and click the Save &amp; Apply button</li>
  196. <li>After a few seconds the page will refresh and the OpenVPN server should be running<br />
  197. <span style="font-size:16px;"><em>NOTE: If the server is not running, check the system logs for troubleshooting by selecting Status &gt; System Log from the navigation menu</em></span></li>
  198. </ol>
  199. <h2>Installing OpenVPN Client Software and Testing</h2>
  200. <ol>
  201. <li>Download the OpenVPN software <a href="https://openvpn.net/community-downloads/" target="_blank">Download</a></li>
  202. <li>Run the installer with all the default values</li>
  203. <li>Click the Start button and search OpenVPN GUI</li>
  204. <li>Select OpenVPN GUI from the results to start the application</li>
  205. </ol>
  206. <h2>Creating the OpenVPN Client Profile</h2>
  207. <ol>
  208. <li>Download the OVPN template <a href="https://drive.google.com/open?id=1cwgQfCoQmDOMbY1kW7JK4q07ijHdl37y" target="_blank">Download</a></li>
  209. <li>Rename the .ovpn template something meaningful</li>
  210. <li>Edit the .ovpn template replacing the following:
  211. <p>&lt;#replace with dynamic dns#&gt; with a dynamic DNS or external IP address to your server<br />
  212. &lt;#replace with CA chain#&gt; with the contents of CA_Chain.pem<br />
  213. &lt;#replace with client 1 cert #&gt; with the contents of OpenVPN_Client #1.crt<br />
  214. &lt;#replace with client 1 key #&gt; with the contents of OpenVPN_Client #1.pk8</p>
  215. </li>
  216. <li>Save your changes</li>
  217. <li>Copy the .ovpn template to OpenVPN install directory/config</li>
  218. <li>Right click OpenVPN GUI in the system tray &gt; Connect</li>
  219. </ol>
  220. </div>
  221. </div>
  222. </body>
  223. </html>