diff --git a/BACKERS.md b/BACKERS.md
index 62820084..5b88cc6d 100644
--- a/BACKERS.md
+++ b/BACKERS.md
@@ -14,6 +14,16 @@ Development of RaspAP is made possible thanks to our awesome sponsors. If you us
 
 Recurring and one-time donors are vital to the continued development of this project. Join these awesome donors by pledging via [OpenCollective](https://opencollective.com/raspap) or [PayPal](https://paypal.me/billzgithub).
 
+## OpenCollective
+Navisense GmbH - $500  
+Wechaty - $20  
+Pheppy -  $10  
+Mark H - $10  
+Phil K - $10  
+T.Paul L - $5  
+Wouter D - $20  
+Andy N - $20  
+
 ## PayPal
 Ray E - "This project is awesome and just works; saved me and my client tons of work. Thank you!" - $20  
 Erin C - "Just got Raspap up and running, looks very cool, thanks!" -$20 CAD  
diff --git a/README.md b/README.md
index e6f65833..f2a8fe5a 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ Please [read this](https://github.com/billz/raspap-webgui/wiki/Reporting-issues)
 ## Ad Blocking
 This feature uses DNS blacklisting to block requests for ads, trackers and other undesirable hosts. To enable ad blocking, simply respond to the prompt during the installation. As a beta release, we encourage testing and feedback from users of RaspAP.
 
-Details are [provided here](https://github.com/billz/raspap-webgui/wiki/Ad-blocking-(Beta)). 
+Details are [provided here](https://github.com/billz/raspap-webgui/wiki/Ad-blocking).
 
 ## Bridged AP
 By default RaspAP configures a routed AP for your clients to connect to. A bridged AP configuration is also possible. Slide the **Bridged AP mode** toggle under the **Advanced** tab of **Configure hotspot**, then save and restart the hotspot.
diff --git a/includes/adblock.php b/includes/adblock.php
index 64bfdc84..74f94e51 100755
--- a/includes/adblock.php
+++ b/includes/adblock.php
@@ -11,6 +11,7 @@ function DisplayAdBlockConfig()
 {
     $status = new StatusMessages();
     $enabled = false;
+    $custom_enabled = false;
 
     if (!RASPI_MONITOR_ENABLED) {
         if (isset($_POST['saveadblocksettings'])) {
@@ -20,13 +21,39 @@ function DisplayAdBlockConfig()
             } elseif ($_POST['adblock-enable'] == "0") {
                 $config = null;
             }
-            file_put_contents("/tmp/dnsmasqdata", $config);
-            system('sudo cp /tmp/dnsmasqdata '.RASPI_ADBLOCK_CONFIG, $return);
+            if ($_POST['adblock-custom-enable'] == "1") {
+                // validate custom hosts input
+                $lines = preg_split('/\r\n|\n|\r/', trim($_POST['adblock-custom-hosts']));
+                if (!in_array("", $lines, true)) {
+                    foreach ($lines as $line) {
+                        $ip_host = preg_split('/\s+/', $line);
+                        $index++;
+                        if (!filter_var($ip_host[0], FILTER_VALIDATE_IP)) {
+                            $errors .= _('Invalid custom IP address found on line '.$index);
+                            break;
+                        }
+                        if (!validate_host($ip_host[1])) {
+                            $errors .= _('Invalid custom host found on line '.$index);
+                            break;
+                        }
+                    }
+                }
+                file_put_contents("/tmp/dnsmasq_custom", $_POST['adblock-custom-hosts'].PHP_EOL);
+                system("sudo cp /tmp/dnsmasq_custom " .RASPI_ADBLOCK_LISTPATH .'custom.txt', $return);
+                $config.= 'addn-hosts=' .RASPI_ADBLOCK_LISTPATH .'custom.txt'.PHP_EOL;
+                $custom_enabled = true;
+            }
 
-            if ($return == 0) {
-                $status->addMessage('Adblock configuration updated successfully', 'success');
+            if (empty($errors)) {
+                file_put_contents("/tmp/dnsmasqdata", $config);
+                system('sudo cp /tmp/dnsmasqdata '.RASPI_ADBLOCK_CONFIG, $return);
+                if ($return == 0) {
+                    $status->addMessage('Adblock configuration updated successfully', 'success');
+                } else {
+                    $status->addMessage('Adblock configuration failed to be updated.', 'danger');
+                }
             } else {
-                $status->addMessage('Adblock configuration failed to be updated.', 'danger');
+                $status->addMessage($errors, 'danger');
             }
         } elseif (isset($_POST['restartadblock']) || isset($_POST['startadblock'])) {
             exec('sudo /bin/systemctl restart dnsmasq.service', $dnsmasq, $return);
@@ -53,7 +80,8 @@ function DisplayAdBlockConfig()
         "status",
         "serviceStatus",
         "dnsmasq_state",
-        "enabled"
+        "enabled",
+        "custom_enabled"
         )
     );
 }
diff --git a/includes/dashboard.php b/includes/dashboard.php
index 60c3aa83..c4c0ded5 100755
--- a/includes/dashboard.php
+++ b/includes/dashboard.php
@@ -90,7 +90,7 @@ function DisplayDashboard(&$extraFooterScripts)
     define('SSIDMAXLEN', 32);
     // Warning iw comes with: "Do NOT screenscrape this tool, we don't consider its output stable."
     exec('iw dev ' .$_SESSION['wifi_client_interface']. ' link ', $stdoutIw);
-    $stdoutIwAllLinesGlued = implode(' ', $stdoutIw);
+    $stdoutIwAllLinesGlued = implode('+', $stdoutIw); // Break lines with character illegal in SSID and MAC addr
     $stdoutIwWRepSpaces = preg_replace('/\s\s+/', ' ', $stdoutIwAllLinesGlued);
 
     preg_match('/Connected to (([0-9A-Fa-f]{2}:){5}([0-9A-Fa-f]{2}))/', $stdoutIwWRepSpaces, $matchesBSSID) || $matchesBSSID[1] = '';
@@ -102,7 +102,7 @@ function DisplayDashboard(&$extraFooterScripts)
         $wlanHasLink = true;
     }
 
-    if (!preg_match('/SSID: ([^ ]{1,'.SSIDMAXLEN.'})/', $stdoutIwWRepSpaces, $matchesSSID)) {
+    if (!preg_match('/SSID: ([^+]{1,'.SSIDMAXLEN.'})/', $stdoutIwWRepSpaces, $matchesSSID)) {
         $wlanHasLink = false;
         $matchesSSID[1] = 'None';
     }
diff --git a/includes/functions.php b/includes/functions.php
index 4d299314..1304d61f 100755
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -452,3 +452,8 @@ function getBridgedState()
     return  $arrHostapdConf['BridgedEnable'];
 }
 
+// Validates a host or FQDN
+function validate_host($host) {
+  return preg_match('/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i', $host);
+}
+
diff --git a/includes/hostapd.php b/includes/hostapd.php
index bc2ce48a..fd0a89c4 100755
--- a/includes/hostapd.php
+++ b/includes/hostapd.php
@@ -77,7 +77,14 @@ function DisplayHostAPDConfig()
             $arrConfig[$arrLine[0]]=$arrLine[1];
         }
     };
-
+    // assign beacon_int boolean if value is set
+    if (isset($arrConfig['beacon_int'])) {
+        $arrConfig['beacon_interval_bool'] = 1;
+    }
+    // assign disassoc_low_ack boolean if value is set
+    if (isset($arrConfig['disassoc_low_ack'])) {
+        $arrConfig['disassoc_low_ack_bool'] = 1;
+    }
     // assign country_code from iw reg if not set in config
     if (!isset($arrConfig['country_code']) && isset($country_code[0])) {
         $arrConfig['country_code'] = $country_code[0];
@@ -213,12 +220,19 @@ function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $status)
         $status->addMessage('Unknown interface '.htmlspecialchars($_POST['interface'], ENT_QUOTES), 'danger');
         $good_input = false;
     }
-
     if (strlen($_POST['country_code']) !== 0 && strlen($_POST['country_code']) != 2) {
         $status->addMessage('Country code must be blank or two characters', 'danger');
         $good_input = false;
     }
-
+    if (isset($_POST['beaconintervalEnable'])) {
+        if (!is_numeric($_POST['beacon_interval'])) {
+            $status->addMessage('Beacon interval must be a numeric value', 'danger');
+            $good_input = false;
+        } elseif ($_POST['beacon_interval'] < 15 || $_POST['beacon_interval'] > 65535) {
+            $status->addMessage('Beacon interval must be between 15 and 65535', 'danger');
+            $good_input = false;
+        }
+    }
     $_POST['max_num_sta'] = (int) $_POST['max_num_sta'];
     $_POST['max_num_sta'] = $_POST['max_num_sta'] > 2007 ? 2007 : $_POST['max_num_sta'];
     $_POST['max_num_sta'] = $_POST['max_num_sta'] < 1 ? null : $_POST['max_num_sta'];
@@ -231,7 +245,12 @@ function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $status)
         $config.= 'ctrl_interface_group=0'.PHP_EOL;
         $config.= 'auth_algs=1'.PHP_EOL;
         $config.= 'wpa_key_mgmt=WPA-PSK'.PHP_EOL;
-        $config.= 'beacon_int=100'.PHP_EOL;
+        if (isset($_POST['beaconintervalEnable'])) {
+            $config.= 'beacon_int='.$_POST['beacon_interval'].PHP_EOL;
+        }
+        if (isset($_POST['disassoc_low_ackEnable'])) {
+            $config.= 'disassoc_low_ack=0'.PHP_EOL;
+        }
         $config.= 'ssid='.$_POST['ssid'].PHP_EOL;
         $config.= 'channel='.$_POST['channel'].PHP_EOL;
         if ($_POST['hw_mode'] === 'n') {
diff --git a/installers/raspap.sudoers b/installers/raspap.sudoers
index 4d40eaa9..ae42393c 100644
--- a/installers/raspap.sudoers
+++ b/installers/raspap.sudoers
@@ -36,5 +36,6 @@ www-data ALL=(ALL) NOPASSWD:/etc/raspap/openvpn/configauth.sh
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/hostapd.log
 www-data ALL=(ALL) NOPASSWD:/bin/chmod o+r /tmp/dnsmasq.log
 www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/dnsmasqdata /etc/dnsmasq.d/090_adblock.conf
+www-data ALL=(ALL) NOPASSWD:/bin/cp /tmp/dnsmasq_custom /etc/raspap/adblock/custom.txt
 www-data ALL=(ALL) NOPASSWD:/etc/raspap/adblock/update_blocklist.sh
 
diff --git a/locale/en_US/LC_MESSAGES/messages.mo b/locale/en_US/LC_MESSAGES/messages.mo
index 6bb8ff09..54e887d8 100644
Binary files a/locale/en_US/LC_MESSAGES/messages.mo and b/locale/en_US/LC_MESSAGES/messages.mo differ
diff --git a/locale/en_US/LC_MESSAGES/messages.po b/locale/en_US/LC_MESSAGES/messages.po
index 39a7dd54..e704e2f0 100644
--- a/locale/en_US/LC_MESSAGES/messages.po
+++ b/locale/en_US/LC_MESSAGES/messages.po
@@ -447,6 +447,15 @@ msgstr "Maximum number of clients"
 msgid "Configures the max_num_sta option of hostapd. The default and maximum is 2007. If empty or 0, the default applies."
 msgstr "Configures the max_num_sta option of hostapd. The default and maximum is 2007. If empty or 0, the default applies."
 
+msgid "Beacon interval"
+msgstr "Beacon interval"
+
+msgid "Disable <code>disassoc_low_ack</code>"
+msgstr "Disable <code>disassoc_low_ack</code>"
+
+msgid "Do not disassociate stations based on excessive transmission failures."
+msgstr "Do not disassociate stations based on excessive transmission failures."
+
 #: includes/networking.php
 msgid "Summary"
 msgstr "Summary"
@@ -751,3 +760,24 @@ msgstr "Statistics"
 msgid "Information provided by adblock"
 msgstr "Information provided by adblock"
 
+msgid "Enable custom blocklist"
+msgstr "Enable custom blocklist"
+
+msgid "Define custom hosts to be blocked by entering an IPv4 or IPv6 address followed by any whitespace (spaces or tabs) and the host name."
+msgstr "Define custom hosts to be blocked by entering an IPv4 or IPv6 address followed by any whitespace (spaces or tabs) and the host name."
+
+msgid "<b>IPv4 example:</b> 0.0.0.0 badhost.com"
+msgstr "<b>IPv4 example:</b> 0.0.0.0 badhost.com"
+
+msgid "This option adds an <code>addn-hosts</code> directive to the dnsmasq configuration."
+msgstr "This option adds an <code>addn-hosts</code> directive to the dnsmasq configuration."
+
+msgid "Custom blocklist not defined"
+msgstr "Custom blocklist not defined"
+
+msgid "Invalid custom IP address found on line "
+msgstr "Invalid custom IP address found on line "
+
+msgid "Invalid custom host found on line "
+msgstr "Invalid custom host found on line "
+
diff --git a/templates/adblock.php b/templates/adblock.php
index 34ad4ebe..103620e2 100755
--- a/templates/adblock.php
+++ b/templates/adblock.php
@@ -31,7 +31,8 @@
             <?php echo CSRFTokenFieldTag() ?>
             <!-- Nav tabs -->
             <ul class="nav nav-tabs">
-                <li class="nav-item"><a class="nav-link active" id="clienttab" href="#adblocklistsettings" data-toggle="tab"><?php echo _("Blocklist settings"); ?></a></li>
+                <li class="nav-item"><a class="nav-link active" id="blocklisttab" href="#adblocklistsettings" data-toggle="tab"><?php echo _("Blocklist settings"); ?></a></li>
+                <li class="nav-item"><a class="nav-link" id="customtab" href="#adblockcustom" data-toggle="tab"><?php echo _("Custom blocklist"); ?></a></li>
                 <li class="nav-item"><a class="nav-link" id="logoutputtab" href="#adblocklogfileoutput" data-toggle="tab"><?php echo _("Logging"); ?></a></li>
             </ul>
 
@@ -39,6 +40,7 @@
             <div class="tab-content">
               <?php echo renderTemplate("adblock/general", $__template_data) ?>
               <?php echo renderTemplate("adblock/stats", $__template_data) ?>
+              <?php echo renderTemplate("adblock/custom", $__template_data) ?>
               <?php echo renderTemplate("adblock/logging", $__template_data) ?>
             </div><!-- /.tab-content -->
 
diff --git a/templates/adblock/custom.php b/templates/adblock/custom.php
new file mode 100644
index 00000000..8701cdb0
--- /dev/null
+++ b/templates/adblock/custom.php
@@ -0,0 +1,33 @@
+<!-- logging tab -->
+<div class="tab-pane fade" id="adblockcustom">
+  <h4 class="mt-3"><?php echo _("Custom blocklist"); ?></h4>
+    <div class="row">
+      <div class="col-md-6">
+        <div class="input-group">
+          <input type="hidden" name="adblock-custom-enable" value="0">
+          <div class="custom-control custom-switch">
+            <input class="custom-control-input" id="adblock-custom-enable" type="checkbox" name="adblock-custom-enable" value="1" <?php echo $custom_enabled ? ' checked="checked"' : "" ?> aria-describedby="adblock-description">
+          <label class="custom-control-label" for="adblock-custom-enable"><?php echo _("Enable custom blocklist") ?></label>
+          </div>
+        </div>
+        <p id="adblock-description">
+          <small><?php echo _("Define custom hosts to be blocked by entering an IPv4 or IPv6 address followed by any whitespace (spaces or tabs) and the host name.") ?></small>
+          <small><?php echo _("<b>IPv4 example:</b> 0.0.0.0 badhost.com") ?></small>
+          <div>
+            <small class="text-muted"><?php echo _("This option adds an <code>addn-hosts</code> directive to the dnsmasq configuration.") ?></small>
+          </div>
+        </p>
+      </div>
+    </div>
+    <div class="row">
+      <div class="form-group col-md-8">
+      <?php
+      $adblock_custom = file_get_contents(RASPI_ADBLOCK_LISTPATH .'custom.txt');
+      if (strlen($adblock_custom) == 0) {
+        $adblock_custom = _("Custom blocklist not defined");
+      }
+      echo '<textarea class="logoutput" name="adblock-custom-hosts">'.htmlspecialchars($adblock_custom, ENT_QUOTES).'</textarea>';
+      ?>
+      </div>
+  </div>
+</div><!-- /.tab-pane -->
diff --git a/templates/hostapd/advanced.php b/templates/hostapd/advanced.php
index 1b0c94d5..0ee47899 100644
--- a/templates/hostapd/advanced.php
+++ b/templates/hostapd/advanced.php
@@ -37,6 +37,30 @@
         </div>
       </div>
     </div>
+    <div class="row">
+      <div class="col-xs-3 col-sm-3">
+        <div class="custom-control custom-switch">
+          <?php $checked = $arrConfig['beacon_interval_bool'] == 1 ? 'checked="checked"' : '' ?>
+          <input class="custom-control-input" id="chxbeaconinterval" name="beaconintervalEnable" type="checkbox" value="1" <?php echo $checked ?> />
+          <label class="custom-control-label" for="chxbeaconinterval"><?php echo _("Beacon interval"); ?></label>
+        </div>
+      </div>
+      <div class="col-xs-3 col-sm-3">
+        <input type="text" class="form-control" name="beacon_interval" value="<?php echo $arrConfig['beacon_int'] ?>">
+      </div>
+    </div>
+    <div class="row">
+      <div class="col-md-6 mb-2">
+        <div class="custom-control custom-switch">
+          <?php $checked = $arrConfig['disassoc_low_ack_bool'] == 1 ? 'checked="checked"' : '' ?>
+          <input class="custom-control-input" id="chxdisassoclowack" name="disassoc_low_ackEnable" type="checkbox" value="1" <?php echo $checked ?> />
+          <label class="custom-control-label" for="chxdisassoclowack"><?php echo _("Disable <code>disassoc_low_ack</code>"); ?></label>
+        </div>
+        <p id="disassoc_low_ack_help" class="mb-1 mt-0">
+          <small id="disassoc_low_ack_help" class="text-muted"><?php echo _("Do not disassociate stations based on excessive transmission failures.") ?></small></label>
+        </p>
+      </div>
+    </div>
     <div class="row">
       <div class="form-group col-md-6">
         <label for="max_num_sta"><?php echo _("Maximum number of clients") ?></label>