diff --git a/README.md b/README.md
index 668bbad9d..973431b82 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ License
 
 OPNsense is and will always be available under the 2-Clause BSD license:
 
-http://opensource.org/licenses/BSD-2-Clause
+https://opensource.org/licenses/BSD-2-Clause
 
 Every contribution made to the project must be licensed under the
 same conditions in order to keep OPNsense truly free and accessible
diff --git a/src/etc/inc/IPv6.inc b/src/etc/inc/IPv6.inc
index e7b3a2838..79e2c1b25 100644
--- a/src/etc/inc/IPv6.inc
+++ b/src/etc/inc/IPv6.inc
@@ -18,7 +18,7 @@
  * @copyright 2003-2005 The PHP Group
  * @license   BSD License http://www.opensource.org/licenses/bsd-license.php
  * @version   CVS: $Id$
- * @link      http://pear.php.net/package/Net_IPv6
+ * @link      https://pear.php.net/package/Net_IPv6
  */
 
 // {{{ constants
@@ -116,7 +116,7 @@ define("NET_IPV6_UNKNOWN_TYPE", 1001);
  * @copyright 2003-2010 The PHP Group
  * @license   BSD License http://www.opensource.org/licenses/bsd-license.php
  * @version   Release: 1.1.0RC5
- * @link      http://pear.php.net/package/Net_IPv6
+ * @link      https://pear.php.net/package/Net_IPv6
  */
 class Net_IPv6
 {
diff --git a/src/opnsense/mvc/app/controllers/OPNsense/IDS/Api/SettingsController.php b/src/opnsense/mvc/app/controllers/OPNsense/IDS/Api/SettingsController.php
index 9064d8cb3..29880e312 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/IDS/Api/SettingsController.php
+++ b/src/opnsense/mvc/app/controllers/OPNsense/IDS/Api/SettingsController.php
@@ -178,7 +178,7 @@ class SettingsController extends ApiMutableModelControllerBase
                             substr($ref, 8), $item_html);
                         $item_html = str_replace("%ref%", "bugtraq " . substr($ref, 8), $item_html);
                     } elseif (substr($ref, 0, 4) == "cve,") {
-                        $item_html = str_replace("%url%", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=" .
+                        $item_html = str_replace("%url%", "https://cve.mitre.org/cgi-bin/cvename.cgi?name=" .
                             substr($ref, 4), $item_html);
                         $item_html = str_replace("%ref%", substr($ref, 4), $item_html);
                     } elseif (substr($ref, 0, 7) == "nessus,") {
diff --git a/src/opnsense/scripts/ipsec/vici/compat.py b/src/opnsense/scripts/ipsec/vici/compat.py
index b5f46992e..01af987d8 100755
--- a/src/opnsense/scripts/ipsec/vici/compat.py
+++ b/src/opnsense/scripts/ipsec/vici/compat.py
@@ -1,7 +1,7 @@
 # Help functions for compatibility between python version 2 and 3
 
 
-# From http://legacy.python.org/dev/peps/pep-0469
+# From https://legacy.python.org/dev/peps/pep-0469
 try:
     dict.iteritems
 except AttributeError:
diff --git a/src/opnsense/scripts/system/ssl_ciphers.py b/src/opnsense/scripts/system/ssl_ciphers.py
index 611a20335..b33505eb6 100755
--- a/src/opnsense/scripts/system/ssl_ciphers.py
+++ b/src/opnsense/scripts/system/ssl_ciphers.py
@@ -39,7 +39,7 @@ if __name__ == '__main__':
     parser = argparse.ArgumentParser()
     parser.add_argument('--format', help='format',choices=['full', 'key_value'], default='full')
     inputargs = parser.parse_args()
-    # source http://www.iana.org/assignments/tls-parameters/tls-parameters-4.csv
+    # source https://www.iana.org/assignments/tls-parameters/tls-parameters-4.csv
     rfc5246_file = '%s/rfc5246_cipher_suites.csv' % os.path.dirname(os.path.realpath(__file__))
     rfc5246 = dict()
     if os.path.isfile(rfc5246_file):
diff --git a/src/opnsense/service/templates/OPNsense/IDS/reference.config b/src/opnsense/service/templates/OPNsense/IDS/reference.config
index ff4f53ddb..41f361ee4 100644
--- a/src/opnsense/service/templates/OPNsense/IDS/reference.config
+++ b/src/opnsense/service/templates/OPNsense/IDS/reference.config
@@ -2,9 +2,9 @@
 
 config reference: bugtraq   http://www.securityfocus.com/bid/
 config reference: bid	    http://www.securityfocus.com/bid/
-config reference: cve       http://cve.mitre.org/cgi-bin/cvename.cgi?name=
-#config reference: cve       http://cvedetails.com/cve/
-config reference: secunia   http://www.secunia.com/advisories/
+config reference: cve       https://cve.mitre.org/cgi-bin/cvename.cgi?name=
+#config reference: cve       https://cvedetails.com/cve/
+config reference: secunia   https://secunia.com/advisories/
 
 #whitehats is unfortunately gone
 config reference: arachNIDS http://www.whitehats.com/info/IDS
@@ -21,6 +21,6 @@ config reference: md5	    http://www.threatexpert.com/report.aspx?md5=
 config reference: exploitdb http://www.exploit-db.com/exploits/
 config reference: openpacket https://www.openpacket.org/capture/grab/
 config reference: securitytracker http://securitytracker.com/id?
-config reference: secunia   http://secunia.com/advisories/
+config reference: secunia   https://secunia.com/advisories/
 config reference: xforce    http://xforce.iss.net/xforce/xfdb/
-config reference: msft      http://technet.microsoft.com/security/bulletin/
+config reference: msft      https://technet.microsoft.com/security/bulletin/
diff --git a/src/www/diag_packet_capture.php b/src/www/diag_packet_capture.php
index 63006f90c..09642f819 100644
--- a/src/www/diag_packet_capture.php
+++ b/src/www/diag_packet_capture.php
@@ -367,7 +367,7 @@ include("fbegin.inc");
                     <td>
                       <input name="promiscuous" type="checkbox" <?= !empty($pconfig['promiscuous']) ? " checked=\"checked\"" : ""; ?> />
                       <div class="hidden" data-for="help_for_promiscuous">
-                        <?=gettext("If checked, the");?> <a target="_blank" href="http://www.freebsd.org/cgi/man.cgi?query=tcpdump&amp;apropos=0&amp;sektion=0&amp;manpath=FreeBSD+8.3-stable&amp;arch=default&amp;format=html"><?= gettext("packet capture")?></a> <?= gettext("will be performed using promiscuous mode.");?>
+                        <?=gettext("If checked, the");?> <a target="_blank" href="https://www.freebsd.org/cgi/man.cgi?query=tcpdump&amp;apropos=0&amp;sektion=0&amp;manpath=FreeBSD+8.3-stable&amp;arch=default&amp;format=html"><?= gettext("packet capture")?></a> <?= gettext("will be performed using promiscuous mode.");?>
                         <br /><b><?=gettext("Note");?>: </b><?=gettext("Some network adapters do not support or work well in promiscuous mode.");?>
                       </div>
                   </td>
diff --git a/src/www/interfaces.php b/src/www/interfaces.php
index fba930e80..10bd99c80 100644
--- a/src/www/interfaces.php
+++ b/src/www/interfaces.php
@@ -2138,7 +2138,7 @@ include("head.inc");
                               </label>
                             </div>
                             <div class="hidden" data-for="help_for_dhcpprotocol_timing">
-                              <?=sprintf(gettext("The values in these fields are DHCP %sprotocol timings%s used when requesting a lease."),'<a target="_blank" href="http://www.freebsd.org/cgi/man.cgi?query=dhclient.conf&amp;sektion=5#PROTOCOL_TIMING">','</a>') ?>
+                              <?=sprintf(gettext("The values in these fields are DHCP %sprotocol timings%s used when requesting a lease."),'<a target="_blank" href="https://www.freebsd.org/cgi/man.cgi?query=dhclient.conf&amp;sektion=5#PROTOCOL_TIMING">','</a>') ?>
                             </div>
                           </td>
                         </tr>
@@ -2146,7 +2146,7 @@ include("head.inc");
                           <td><a id="help_for_dhcp_lease_requirements_and_requests" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Lease Requirements");?> </td>
                           <td>
                             <div class="hidden" data-for="help_for_dhcp_lease_requirements_and_requests">
-                              <?=sprintf(gettext("More detailed information about lease requirements and requests can be found in the %sFreeBSD Manual%s."),'<a target="FreeBSD_DHCP" href="http://www.freebsd.org/cgi/man.cgi?query=dhclient.conf&amp;sektion=5#LEASE_REQUIREMENTS_AND_REQUESTS">','</a>')?><br/>
+                              <?=sprintf(gettext("More detailed information about lease requirements and requests can be found in the %sFreeBSD Manual%s."),'<a target="FreeBSD_DHCP" href="https://www.freebsd.org/cgi/man.cgi?query=dhclient.conf&amp;sektion=5#LEASE_REQUIREMENTS_AND_REQUESTS">','</a>')?><br/>
                               <hr/>
                             </div>
                             <?=gettext("Send Options"); ?><br />
diff --git a/src/www/services_dhcp.php b/src/www/services_dhcp.php
index 621a62df9..88c0a79a6 100644
--- a/src/www/services_dhcp.php
+++ b/src/www/services_dhcp.php
@@ -1143,7 +1143,7 @@ include("head.inc");
                             </tfoot>
                           </table>
                           <div class="hidden" data-for="help_for_numberoptions">
-                          <?= sprintf(gettext("Enter the DHCP option number and the value for each item you would like to include in the DHCP lease information. For a list of available options please visit this %sURL%s."), '<a href="http://www.iana.org/assignments/bootp-dhcp-parameters/" target="_blank">', '</a>') ?>
+                          <?= sprintf(gettext("Enter the DHCP option number and the value for each item you would like to include in the DHCP lease information. For a list of available options please visit this %sURL%s."), '<a href="https://www.iana.org/assignments/bootp-dhcp-parameters/" target="_blank">', '</a>') ?>
                           </div>
                         </div>
                       </td>
diff --git a/src/www/services_dhcpv6.php b/src/www/services_dhcpv6.php
index 84222a493..4798f82f4 100644
--- a/src/www/services_dhcpv6.php
+++ b/src/www/services_dhcpv6.php
@@ -750,7 +750,7 @@ if (isset($config['interfaces'][$if]['dhcpd6track6allowoverride'])) {
                             </tfoot>
                           </table>
                           <div class="hidden" data-for="help_for_numberoptions">
-                          <?= sprintf(gettext("Enter the DHCP option number and the value for each item you would like to include in the DHCP lease information. For a list of available options please visit this %sURL%s."),'<a href="http://www.iana.org/assignments/bootp-dhcp-parameters/" target="_blank">','</a>') ?>
+                          <?= sprintf(gettext("Enter the DHCP option number and the value for each item you would like to include in the DHCP lease information. For a list of available options please visit this %sURL%s."),'<a href="https://www.iana.org/assignments/bootp-dhcp-parameters/" target="_blank">','</a>') ?>
                           </div>
                         </div>
                       </td>
diff --git a/src/www/services_opendns.php b/src/www/services_opendns.php
index 9f0b4c01c..3c4fc6a6a 100644
--- a/src/www/services_opendns.php
+++ b/src/www/services_opendns.php
@@ -147,7 +147,7 @@ include 'head.inc';
                         'Enabling the OpenDNS service will overwrite DNS servers configured ' .
                         'via the General Setup page as well as ignore any DNS servers learned ' .
                         'by DHCP/PPP on WAN and use the DNS servers from %s instead.'),
-                        '<a href="http://www.opendns.com" target="_blank">OpenDNS.com</a>'
+                        '<a href="https://www.opendns.com/" target="_blank">OpenDNS.com</a>'
                       ) ?>
                     </div>
                   </td>
diff --git a/src/www/status_ntpd.php b/src/www/status_ntpd.php
index 458876e45..2a18dfee3 100644
--- a/src/www/status_ntpd.php
+++ b/src/www/status_ntpd.php
@@ -280,7 +280,7 @@ include("head.inc");
                 </tr>
 <?php if (isset($gps_lon) && isset($gps_lat)): ?>
                 <tr>
-                  <td colspan="<?= html_safe($gps_goo_lnk) ?>"><a target="_gmaps" href="http://maps.google.com/?q=<?= html_safe($gps_lat) ?>,<?= html_safe($gps_lon) ?>">Google Maps Link</a></td>
+                  <td colspan="<?= html_safe($gps_goo_lnk) ?>"><a target="_gmaps" href="https://maps.google.com/?q=<?= html_safe($gps_lat) ?>,<?= html_safe($gps_lon) ?>">Google Maps Link</a></td>
                 </tr>
 <?php endif ?>
               </tbody>
diff --git a/src/www/system_hasync.php b/src/www/system_hasync.php
index 71684e799..924459f26 100644
--- a/src/www/system_hasync.php
+++ b/src/www/system_hasync.php
@@ -141,7 +141,7 @@ include("head.inc");
                       <?= sprintf(gettext('pfsync transfers state insertion, update, and deletion messages between firewalls.%s' .
                         'Each firewall sends these messages out via multicast on a specified interface, using the PFSYNC protocol (%sIP Protocol 240%s).%s' .
                         'It also listens on that interface for similar messages from other firewalls, and imports them into the local state table.%s' .
-                        'This setting should be enabled on all members of a failover group.'), '<br/>','<a href="http://www.openbsd.org/faq/pf/carp.html" target="_blank">','</a>','<br/>','<br/>') ?>
+                        'This setting should be enabled on all members of a failover group.'), '<br/>','<a href="https://www.openbsd.org/faq/pf/carp.html" target="_blank">','</a>','<br/>','<br/>') ?>
                       <div class="well well-sm" ><b><?=gettext('Clicking save will force a configuration sync if it is enabled! (see Configuration Synchronization Settings below)') ?></b></div>
                     </div>
                   </td>
diff --git a/src/www/widgets/widgets/ntp_status.widget.php b/src/www/widgets/widgets/ntp_status.widget.php
index f85d0811a..64e38d566 100644
--- a/src/www/widgets/widgets/ntp_status.widget.php
+++ b/src/www/widgets/widgets/ntp_status.widget.php
@@ -150,7 +150,7 @@ endif; ?>
       <tr>
         <td style="width:40%"><?= gettext('Clock location') ?></td>
         <td style="width:60%">
-          <a target="_gmaps" href="http://maps.google.com/?q=<?= html_safe($gps_lat) ?>,<?= html_safe($gps_lon) ?>">
+          <a target="_gmaps" href="https://maps.google.com/?q=<?= html_safe($gps_lat) ?>,<?= html_safe($gps_lon) ?>">
           <?php
                     echo sprintf("%.5f", $gps_lat) . " " . $gps_la . ", " . sprintf("%.5f", $gps_lon) . " " . $gps_lo; ?>
           </a>