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settings.php
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<?php /*
* Pi-hole: A black hole for Internet advertisements
* (c) 2017 Pi-hole, LLC (https://pi-hole.net)
* Network-wide ad blocking via your own hardware.
*
* This file is copyright under the latest version of the EUPL.
* Please see LICENSE file for your rights under this license. */
require "scripts/pi-hole/php/header.php";
require "scripts/pi-hole/php/savesettings.php";
require_once "scripts/pi-hole/php/FTL.php";
// Reread ini file as things might have been changed
$setupVars = parse_ini_file("/etc/pihole/setupVars.conf");
$piholeFTLConf = piholeFTLConfig(true);
// Handling of PHP internal errors
$last_error = error_get_last();
if(isset($last_error) && ($last_error["type"] === E_WARNING || $last_error["type"] === E_ERROR))
{
$error .= "There was a problem applying your settings.<br>Debugging information:<br>PHP error (".htmlspecialchars($last_error["type"])."): ".htmlspecialchars($last_error["message"])." in ".htmlspecialchars($last_error["file"]).":".htmlspecialchars($last_error["line"]);
}
# Timezone is set in docker via ENV otherwise get it from commandline
$timezone=htmlspecialchars(getenv("TZ"));
if (empty($timezone)) {
$timezone=shell_exec("date +'%Z'");
}
?>
<style>
.tooltip-inner {
max-width: none;
white-space: nowrap;
}
</style>
<?php // Check if ad lists should be updated after saving ...
if (isset($_POST["submit"])) {
if ($_POST["submit"] == "saveupdate") {
// If that is the case -> refresh to the gravity page and start updating immediately
?>
<meta http-equiv="refresh" content="1;url=gravity.php?go">
<?php }
} ?>
<?php if (isset($debug)) { ?>
<div id="alDebug" class="alert alert-warning alert-dismissible fade in" role="alert">
<button type="button" class="close" data-hide="alert" aria-label="Close"><span aria-hidden="true">×</span>
</button>
<h4><i class="icon fa fa-exclamation-triangle"></i> Debug</h4>
<pre><?php print_r(htmlentities($_POST)); ?></pre>
</div>
<?php } ?>
<?php if (strlen($success) > 0) { ?>
<div id="alInfo" class="alert alert-info alert-dismissible fade in" role="alert">
<button type="button" class="close" data-hide="alert" aria-label="Close"><span aria-hidden="true">×</span>
</button>
<h4><i class="icon fa fa-info"></i> Info</h4>
<?php echo $success; ?>
</div>
<?php } ?>
<?php if (strlen($error) > 0) { ?>
<div id="alError" class="alert alert-danger alert-dismissible fade in" role="alert">
<button type="button" class="close" data-hide="alert" aria-label="Close"><span aria-hidden="true">×</span>
</button>
<h4><i class="icon fa fa-ban"></i> Error</h4>
<?php echo $error; ?>
</div>
<?php } ?>
<?php
if (isset($setupVars["PIHOLE_INTERFACE"])) {
$piHoleInterface = $setupVars["PIHOLE_INTERFACE"];
} else {
$piHoleInterface = "unknown";
}
if (isset($setupVars["IPV4_ADDRESS"])) {
$piHoleIPv4 = $setupVars["IPV4_ADDRESS"];
} else {
$piHoleIPv4 = "unknown";
}
// DNS settings
$DNSservers = [];
$DNSactive = [];
$i = 1;
while (isset($setupVars["PIHOLE_DNS_" . $i])) {
if (isinserverlist($setupVars["PIHOLE_DNS_" . $i])) {
array_push($DNSactive, $setupVars["PIHOLE_DNS_" . $i]);
} elseif (strpos($setupVars["PIHOLE_DNS_" . $i], ".") !== false) {
if (!isset($custom1)) {
$custom1 = $setupVars["PIHOLE_DNS_" . $i];
} else {
$custom2 = $setupVars["PIHOLE_DNS_" . $i];
}
} elseif (strpos($setupVars["PIHOLE_DNS_" . $i], ":") !== false) {
if (!isset($custom3)) {
$custom3 = $setupVars["PIHOLE_DNS_" . $i];
} else {
$custom4 = $setupVars["PIHOLE_DNS_" . $i];
}
}
$i++;
}
if (isset($setupVars["DNS_FQDN_REQUIRED"])) {
if ($setupVars["DNS_FQDN_REQUIRED"]) {
$DNSrequiresFQDN = true;
} else {
$DNSrequiresFQDN = false;
}
} else {
$DNSrequiresFQDN = false;
}
if (isset($setupVars["DNS_BOGUS_PRIV"])) {
if ($setupVars["DNS_BOGUS_PRIV"]) {
$DNSbogusPriv = true;
} else {
$DNSbogusPriv = false;
}
} else {
$DNSbogusPriv = false;
}
if (isset($setupVars["DNSSEC"])) {
if ($setupVars["DNSSEC"]) {
$DNSSEC = true;
} else {
$DNSSEC = false;
}
} else {
$DNSSEC = false;
}
if (isset($setupVars["DNSMASQ_LISTENING"])) {
if ($setupVars["DNSMASQ_LISTENING"] === "single") {
$DNSinterface = "single";
} elseif ($setupVars["DNSMASQ_LISTENING"] === "bind") {
$DNSinterface = "bind";
} elseif ($setupVars["DNSMASQ_LISTENING"] === "all") {
$DNSinterface = "all";
} else {
$DNSinterface = "local";
}
} else {
$DNSinterface = "single";
}
if (isset($setupVars["REV_SERVER"]) && ($setupVars["REV_SERVER"] == 1)) {
$rev_server = true;
$rev_server_cidr = $setupVars["REV_SERVER_CIDR"];
$rev_server_target = $setupVars["REV_SERVER_TARGET"];
$rev_server_domain = $setupVars["REV_SERVER_DOMAIN"];
} else {
$rev_server = false;
}
?>
<?php
// Query logging
if (isset($setupVars["QUERY_LOGGING"])) {
if ($setupVars["QUERY_LOGGING"] == 1) {
$piHoleLogging = true;
} else {
$piHoleLogging = false;
}
} else {
$piHoleLogging = true;
}
?>
<?php
// Excluded domains in API Query Log call
if (isset($setupVars["API_EXCLUDE_DOMAINS"])) {
$excludedDomains = explode(",", $setupVars["API_EXCLUDE_DOMAINS"]);
} else {
$excludedDomains = [];
}
// Excluded clients in API Query Log call
if (isset($setupVars["API_EXCLUDE_CLIENTS"])) {
$excludedClients = explode(",", $setupVars["API_EXCLUDE_CLIENTS"]);
} else {
$excludedClients = [];
}
// Excluded clients
if (isset($setupVars["API_QUERY_LOG_SHOW"])) {
$queryLog = $setupVars["API_QUERY_LOG_SHOW"];
} else {
$queryLog = "all";
}
?>
<?php
if (isset($_GET['tab']) && in_array($_GET['tab'], array("sysadmin", "dns", "piholedhcp", "api", "privacy", "teleporter"))) {
$tab = $_GET['tab'];
} else {
$tab = "sysadmin";
}
?>
<div class="row">
<div class="col-md-12">
<div class="nav-tabs-custom">
<ul class="nav nav-tabs" role="tablist">
<li role="presentation"<?php if($tab === "sysadmin"){ ?> class="active"<?php } ?>>
<a href="#sysadmin" aria-controls="sysadmin" aria-expanded="<?php echo $tab === "sysadmin" ? "true" : "false"; ?>" role="tab" data-toggle="tab">System</a>
</li>
<li role="presentation"<?php if($tab === "dns"){ ?> class="active"<?php } ?>>
<a href="#dns" aria-controls="dns" aria-expanded="<?php echo $tab === "dns" ? "true" : "false"; ?>" role="tab" data-toggle="tab">DNS</a>
</li>
<li role="presentation"<?php if($tab === "piholedhcp"){ ?> class="active"<?php } ?>>
<a href="#piholedhcp" aria-controls="piholedhcp" aria-expanded="<?php echo $tab === "piholedhcp" ? "true" : "false"; ?>" role="tab" data-toggle="tab">DHCP</a>
</li>
<li role="presentation"<?php if($tab === "api"){ ?> class="active"<?php } ?>>
<a href="#api" aria-controls="api" aria-expanded="<?php echo $tab === "api" ? "true" : "false"; ?>" role="tab" data-toggle="tab">API / Web interface</a>
</li>
<li role="presentation"<?php if($tab === "privacy"){ ?> class="active"<?php } ?>>
<a href="#privacy" aria-controls="privacy" aria-expanded="<?php echo $tab === "privacy" ? "true" : "false"; ?>" role="tab" data-toggle="tab">Privacy</a>
</li>
<li role="presentation"<?php if($tab === "teleporter"){ ?> class="active"<?php } ?>>
<a href="#teleporter" aria-controls="teleporter" aria-expanded="<?php echo $tab === "teleporter" ? "true" : "false"; ?>" role="tab" data-toggle="tab">Teleporter</a>
</li>
</ul>
<div class="tab-content">
<!-- ######################################################### System admin ######################################################### -->
<div id="sysadmin" class="tab-pane fade<?php if($tab === "sysadmin"){ ?> in active<?php } ?>">
<div class="row">
<div class="col-md-12">
<div class="box">
<div class="box-header with-border">
<h3 class="box-title">FTL Information</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<?php
if ($FTL) {
function get_FTL_data($arg)
{
global $FTLpid;
return trim(exec("ps -p " . $FTLpid . " -o " . $arg));
}
$FTLversion = exec("/usr/bin/pihole-FTL version");
?>
<table class="table table-striped table-bordered nowrap">
<tbody>
<tr>
<th scope="row">FTL version:</th>
<td><?php echo $FTLversion; ?></td>
</tr>
<tr>
<th scope="row">Process identifier (PID):</th>
<td><?php echo $FTLpid; ?></td>
</tr>
<tr>
<th scope="row">Time FTL started:</th>
<td><?php print_r(get_FTL_data("lstart")); echo " ".$timezone; ?></td>
</tr>
<tr>
<th scope="row">User / Group:</th>
<td><?php print_r(get_FTL_data("euser")); ?> / <?php print_r(get_FTL_data("egroup")); ?></td>
</tr>
<tr>
<th scope="row">Total CPU utilization:</th>
<td><?php print_r(get_FTL_data("%cpu")); ?>%</td>
</tr>
<tr>
<th scope="row">Memory utilization:</th>
<td><?php print_r(get_FTL_data("%mem")); ?>%</td>
</tr>
<tr>
<th scope="row">
<span title="Resident memory is the portion of memory occupied by a process that is held in main memory (RAM). The rest of the occupied memory exists in the swap space or file system.">Used memory:</span>
</th>
<td><?php echo formatSizeUnits(1e3 * floatval(get_FTL_data("rss"))); ?></td>
</tr>
<tr>
<th scope="row">
<span title="Size of the DNS domain cache">DNS cache size:</span>
</th>
<td id="cache-size"> </td>
</tr>
<tr>
<th scope="row">
<span title="Number of cache insertions">DNS cache insertions:</span>
</th>
<td id="cache-inserted"> </td>
</tr>
<tr>
<th scope="row">
<span title="Number of cache entries that had to be removed although they are not expired (increase cache size to reduce this number)" lookatme-text="DNS cache evictions:">DNS cache evictions:</span>
</th>
<td id="cache-live-freed"> </td>
</tr>
</tbody>
</table>
See also our <a href="https://docs.pi-hole.net/ftldns/dns-cache/" rel="noopener" target="_blank">DNS cache documentation</a>.
<?php } else { ?>
<div>The FTL service is offline!</div>
<?php } ?>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<div class="box box-warning">
<div class="box-body">
<div class="row">
<div class="col-md-4">
<?php if ($piHoleLogging) { ?>
<button type="button" class="btn btn-warning confirm-disablelogging-noflush btn-block">Disable query logging</button>
<?php } else { ?>
<form role="form" method="post">
<input type="hidden" name="action" value="Enable">
<input type="hidden" name="field" value="Logging">
<input type="hidden" name="token" value="<?php echo $token ?>">
<button type="submit" class="btn btn-success btn-block">Enable query logging</button>
</form>
<?php } ?>
</div>
<p class="hidden-md hidden-lg"></p>
<div class="col-md-4">
<button type="button" class="btn btn-warning confirm-flusharp btn-block">Flush network table</button>
</div>
<p class="hidden-md hidden-lg"></p>
<div class="col-md-4">
<button type="button" class="btn btn-warning confirm-restartdns btn-block">Restart DNS resolver</button>
</div>
</div>
<br/>
<div class="row">
<div class="col-md-4">
<button type="button" class="btn btn-danger confirm-flushlogs btn-block">Flush logs (last 24 hours)</button>
</div>
<p class="hidden-md hidden-lg"></p>
<div class="col-md-4">
<button type="button" class="btn btn-danger confirm-poweroff btn-block">Power off system</button>
</div>
<p class="hidden-md hidden-lg"></p>
<div class="col-md-4">
<button type="button" class="btn btn-danger confirm-reboot btn-block">Restart system</button>
</div>
</div>
<form role="form" method="post" id="flushlogsform">
<input type="hidden" name="field" value="flushlogs">
<input type="hidden" name="token" value="<?php echo $token ?>">
</form>
<form role="form" method="post" id="flusharpform">
<input type="hidden" name="field" value="flusharp">
<input type="hidden" name="token" value="<?php echo $token ?>">
</form>
<form role="form" method="post" id="disablelogsform-noflush">
<input type="hidden" name="field" value="Logging">
<input type="hidden" name="action" value="Disable-noflush">
<input type="hidden" name="token" value="<?php echo $token ?>">
</form>
<form role="form" method="post" id="poweroffform">
<input type="hidden" name="field" value="poweroff">
<input type="hidden" name="token" value="<?php echo $token ?>">
</form>
<form role="form" method="post" id="rebootform">
<input type="hidden" name="field" value="reboot">
<input type="hidden" name="token" value="<?php echo $token ?>">
</form>
<form role="form" method="post" id="restartdnsform">
<input type="hidden" name="field" value="restartdns">
<input type="hidden" name="token" value="<?php echo $token ?>">
</form>
</div>
</div>
</div>
</div>
</div>
<!-- ######################################################### DHCP ######################################################### -->
<div id="piholedhcp" class="tab-pane fade<?php if($tab === "piholedhcp"){ ?> in active<?php } ?>">
<?php
// Pi-hole DHCP server
if (isset($setupVars["DHCP_ACTIVE"])) {
if ($setupVars["DHCP_ACTIVE"] == 1) {
$DHCP = true;
} else {
$DHCP = false;
}
// Read settings from config file
if (isset($setupVars["DHCP_START"])) {
$DHCPstart = $setupVars["DHCP_START"];
} else {
$DHCPstart = "";
}
if (isset($setupVars["DHCP_END"])) {
$DHCPend = $setupVars["DHCP_END"];
} else {
$DHCPend = "";
}
if (isset($setupVars["DHCP_ROUTER"])) {
$DHCProuter = $setupVars["DHCP_ROUTER"];
} else {
$DHCProuter = "";
}
// This setting has been added later, we have to check if it exists
if (isset($setupVars["DHCP_LEASETIME"])) {
$DHCPleasetime = $setupVars["DHCP_LEASETIME"];
if (strlen($DHCPleasetime) < 1) {
// Fallback if empty string
$DHCPleasetime = 24;
}
} else {
$DHCPleasetime = 24;
}
if (isset($setupVars["DHCP_IPv6"])) {
$DHCPIPv6 = $setupVars["DHCP_IPv6"];
} else {
$DHCPIPv6 = false;
}
if (isset($setupVars["DHCP_rapid_commit"])) {
$DHCP_rapid_commit = $setupVars["DHCP_rapid_commit"];
} else {
$DHCP_rapid_commit = false;
}
} else {
$DHCP = false;
// Try to guess initial settings
if ($piHoleIPv4 !== "unknown") {
$DHCPdomain = explode(".", $piHoleIPv4);
$DHCPstart = $DHCPdomain[0] . "." . $DHCPdomain[1] . "." . $DHCPdomain[2] . ".201";
$DHCPend = $DHCPdomain[0] . "." . $DHCPdomain[1] . "." . $DHCPdomain[2] . ".251";
$DHCProuter = $DHCPdomain[0] . "." . $DHCPdomain[1] . "." . $DHCPdomain[2] . ".1";
} else {
$DHCPstart = "";
$DHCPend = "";
$DHCProuter = "";
}
$DHCPleasetime = 24;
$DHCPIPv6 = false;
$DHCP_rapid_commit = false;
}
if (isset($setupVars["PIHOLE_DOMAIN"])) {
$piHoleDomain = $setupVars["PIHOLE_DOMAIN"];
} else {
$piHoleDomain = "lan";
}
?>
<form role="form" method="post">
<div class="row">
<!-- DHCP Settings Box -->
<div class="col-md-6">
<div class="box box-warning">
<div class="box-header with-border">
<h3 class="box-title">DHCP Settings</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-md-12">
<div><input type="checkbox" name="active" id="DHCPchk" <?php if ($DHCP){ ?>checked<?php } ?>><label for="DHCPchk"><strong>DHCP server enabled</strong></label></div><br>
<p id="dhcpnotice" lookatme-text="Make sure your router's DHCP server is disabled when using the Pi-hole DHCP server!" <?php if (!$DHCP){ ?>hidden<?php } ?>>Make sure your router's DHCP server is disabled when using the Pi-hole DHCP server!</p>
</div>
</div>
<div class="row">
<div class="col-xs-12">
<label>Range of IP addresses to hand out</label>
</div>
<div class="col-xs-12 col-sm-6 col-md-12 col-lg-6">
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">From</div>
<input type="text" class="form-control DHCPgroup" name="from" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
value="<?php echo $DHCPstart; ?>"
<?php if (!$DHCP){ ?>disabled<?php } ?>>
</div>
</div>
</div>
<div class="col-xs-12 col-sm-6 col-md-12 col-lg-6">
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">To</div>
<input type="text" class="form-control DHCPgroup" name="to" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
value="<?php echo $DHCPend; ?>"
<?php if (!$DHCP){ ?>disabled<?php } ?>>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<label>Router (gateway) IP address</label>
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">Router</div>
<input type="text" class="form-control DHCPgroup" name="router" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
value="<?php echo $DHCProuter; ?>"
<?php if (!$DHCP){ ?>disabled<?php } ?>>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- Advanced DHCP Settings Box -->
<div class="col-md-6">
<div class="box box-warning">
<div class="box-header with-border">
<h3 class="box-title">Advanced DHCP settings</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-md-12">
<label>Pi-hole domain name</label>
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">Domain</div>
<input type="text" class="form-control DHCPgroup" name="domain"
value="<?php echo $piHoleDomain; ?>"
<?php if (!$DHCP){ ?>disabled<?php } ?>>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<label>DHCP lease time</label>
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">Lease time in hours</div>
<input type="number" class="form-control DHCPgroup"
name="leasetime"
id="leasetime" value="<?php echo $DHCPleasetime; ?>"
data-mask <?php if (!$DHCP){ ?>disabled<?php } ?>>
</div>
</div>
<p>Hint: 0 = infinite, 24 = one day, 168 = one week, 744 = one month, 8760 = one year</p>
</div>
</div>
<div class="row">
<div class="col-md-12">
<div><input type="checkbox" name="DHCP_rapid_commit" id="DHCP_rapid_commit" class="DHCPgroup" <?php if ($DHCP_rapid_commit){ ?>checked<?php }; if (!$DHCP){ ?> disabled<?php } ?>> <label for="DHCP_rapid_commit"><strong>Enable DHCPv4 rapid commit (fast address assignment)</strong></label></div>
<div><input type="checkbox" name="useIPv6" id="useIPv6" class="DHCPgroup" <?php if ($DHCPIPv6){ ?>checked<?php }; if (!$DHCP){ ?> disabled<?php } ?>> <label for="useIPv6"><strong>Enable IPv6 support (SLAAC + RA)</strong></label></div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- DHCP Leases Box -->
<div class="row">
<?php
$dhcp_leases = array();
if ($DHCP) {
// Read leases file
$leasesfile = true;
$dhcpleases = @fopen('/etc/pihole/dhcp.leases', 'r');
if (!is_resource($dhcpleases))
$leasesfile = false;
function convertseconds($argument)
{
$seconds = round($argument);
if ($seconds < 60) {
return sprintf('%ds', $seconds);
} elseif ($seconds < 3600) {
return sprintf('%dm %ds', ($seconds / 60), ($seconds % 60));
} elseif ($seconds < 86400) {
return sprintf('%dh %dm %ds', ($seconds / 3600 % 24), ($seconds / 60 % 60), ($seconds % 60));
} else {
return sprintf('%dd %dh %dm %ds', ($seconds / 86400), ($seconds / 3600 % 24), ($seconds / 60 % 60), ($seconds % 60));
}
}
while (!feof($dhcpleases) && $leasesfile) {
$line = explode(" ", trim(fgets($dhcpleases)));
if (count($line) == 5) {
$counter = intval($line[0]);
if ($counter == 0) {
$time = "Infinite";
} elseif ($counter <= 315360000) // 10 years in seconds
{
$time = convertseconds($counter);
} else // Assume time stamp
{
$time = convertseconds($counter - time());
}
if (strpos($line[2], ':') !== false) {
// IPv6 address
$type = 6;
} else {
// IPv4 lease
$type = 4;
}
$host = htmlentities($line[3]);
$clid = $line[4];
if ($clid == "*") {
$clid = "<i>unknown</i>";
}
array_push($dhcp_leases, ["TIME" => $time, "hwaddr" => strtoupper($line[1]), "IP" => $line[2], "host" => $host, "clid" => $clid, "type" => $type]);
}
}
}
readStaticLeasesFile();
?>
<div class="col-md-12">
<div class="box box-warning">
<div class="box-header with-border">
<h3 class="box-title">Currently active DHCP leases</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-md-12">
<table id="DHCPLeasesTable" class="table table-striped table-bordered nowrap" width="100%">
<thead>
<tr>
<th>MAC address</th>
<th>IP address</th>
<th>Hostname</th>
<td></td>
</tr>
</thead>
<tbody>
<?php foreach ($dhcp_leases as $lease) { ?>
<tr data-placement="auto" data-container="body" data-toggle="tooltip"
title="Lease type: IPv<?php echo $lease["type"]; ?><br/>Remaining lease time: <?php echo $lease["TIME"]; ?><br/>DHCP UID: <?php echo $lease["clid"]; ?>">
<td id="MAC"><?php echo $lease["hwaddr"]; ?></td>
<td id="IP" data-order="<?php echo bin2hex(inet_pton($lease["IP"])); ?>"><?php echo $lease["IP"]; ?></td>
<td id="HOST"><?php echo $lease["host"]; ?></td>
<td>
<button type="button" class="btn btn-danger btn-xs" id="removedynamic">
<span class="fas fas fa-trash-alt"></span>
</button>
<button type="button" id="button" class="btn btn-warning btn-xs" data-static="alert">
<span class="fas fas fa-file-import"></span>
</button>
</td>
</tr>
<?php } ?>
</tbody>
</table>
</div>
</div>
</div>
</div>
</div>
<div class="col-md-12">
<div class="box box-warning">
<div class="box-header with-border">
<h3 class="box-title">Static DHCP leases configuration</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-md-12">
<table id="DHCPStaticLeasesTable" class="table table-striped table-bordered nowrap" width="100%">
<thead>
<tr>
<th>MAC address</th>
<th>IP address</th>
<th>Hostname</th>
<td></td>
</tr>
</thead>
<tbody>
<?php foreach ($dhcp_static_leases as $lease) { ?>
<tr>
<td><?php echo $lease["hwaddr"]; ?></td>
<td data-order="<?php echo bin2hex(inet_pton($lease["IP"])); ?>"><?php echo $lease["IP"]; ?></td>
<td><?php echo htmlentities($lease["host"]); ?></td>
<td><?php if (strlen($lease["hwaddr"]) > 0) { ?>
<button type="submit" class="btn btn-danger btn-xs" name="removestatic"
value="<?php echo $lease["hwaddr"]; ?>">
<span class="far fa-trash-alt"></span>
</button>
<?php } ?>
</td>
</tr>
<?php } ?>
</tbody>
<tfoot style="display: table-row-group">
<tr>
<td><input type="text" class="form-group" name="AddMAC" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"></td>
<td><input type="text" class="form-group" name="AddIP" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"></td>
<td><input type="text" class="form-group" name="AddHostname" value="" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"></td>
<td>
<button type="submit" class="btn btn-success btn-xs" name="addstatic">
<span class="fas fa-plus"></span>
</button>
</td>
</tr>
</tfoot>
</table>
<p>Specifying the MAC address is mandatory and only one entry per MAC
address is allowed. If the IP address is omitted and a host name is
given, the IP address will still be generated dynamically and the
specified host name will be used. If the host name is omitted, only
a static lease will be added.</p>
</div>
</div>
</div>
</div>
<input type="hidden" name="field" value="DHCP">
<input type="hidden" name="token" value="<?php echo $token ?>">
<button type="submit" class="btn btn-primary pull-right">Save</button>
</div>
</div>
</form>
</div>
<!-- ######################################################### DNS ######################################################### -->
<?php
// Use default
$rate_limit_count = 1000;
$rate_limit_interval = 60;
// Get rate limit from piholeFTL config array
if (isset($piholeFTLConf["RATE_LIMIT"])) {
$rl = explode("/", $piholeFTLConf["RATE_LIMIT"]);
if(count($rl) == 2) {
$rate_limit_count = intval($rl[0]);
$rate_limit_interval = intval($rl[1]);
}
}
?>
<div id="dns" class="tab-pane fade<?php if($tab === "dns"){ ?> in active<?php } ?>">
<form role="form" method="post">
<div class="row">
<div class="col-lg-6">
<div class="box box-warning">
<div class="box-header with-border">
<h1 class="box-title">Upstream DNS Servers</h1>
</div>
<div class="box-body">
<div class="row">
<div class="col-sm-12">
<table class="table table-bordered">
<thead>
<tr>
<th colspan="2">IPv4</th>
<th colspan="2">IPv6</th>
<th>Name</th>
</tr>
</thead>
<?php foreach ($DNSserverslist as $key => $value) { ?>
<tr>
<?php if (isset($value["v4_1"])) { ?>
<td title="<?php echo $value["v4_1"]; ?>">
<div><input type="checkbox" name="DNSserver<?php echo $value["v4_1"]; ?>" id="DNS4server<?php echo $value["v4_1"]; ?>" value="true" <?php if (in_array($value["v4_1"], $DNSactive)){ ?>checked<?php } ?>><label for="DNS4server<?php echo $value["v4_1"]; ?>"></label></div>
</td>
<?php } else { ?>
<td></td>
<?php } ?>
<?php if (isset($value["v4_2"])) { ?>
<td title="<?php echo $value["v4_2"]; ?>">
<div><input type="checkbox" name="DNSserver<?php echo $value["v4_2"]; ?>" id="DNS4server<?php echo $value["v4_2"]; ?>" value="true" <?php if (in_array($value["v4_2"], $DNSactive)){ ?>checked<?php } ?>><label for="DNS4server<?php echo $value["v4_2"]; ?>"></label></div>
</td>
<?php } else { ?>
<td></td>
<?php } ?>
<?php if (isset($value["v6_1"])) { ?>
<td title="<?php echo $value["v6_1"]; ?>">
<div><input type="checkbox" name="DNSserver<?php echo $value["v6_1"]; ?>" id="DNS6server<?php echo $value["v6_1"]; ?>" value="true" <?php if (in_array($value["v6_1"], $DNSactive)){ ?>checked<?php } ?>><label for="DNS6server<?php echo $value["v6_1"]; ?>"></label></div>
</td>
<?php } else { ?>
<td></td>
<?php } ?>
<?php if (isset($value["v6_2"])) { ?>
<td title="<?php echo $value["v6_2"]; ?>">
<div><input type="checkbox" name="DNSserver<?php echo $value["v6_2"]; ?>" id="DNS6server<?php echo $value["v6_2"]; ?>" value="true" <?php if (in_array($value["v6_2"], $DNSactive)){ ?>checked<?php } ?>><label for="DNS6server<?php echo $value["v6_2"]; ?>"></label></div>
</td>
<?php } else { ?>
<td></td>
<?php } ?>
<td><?php echo $key; ?></td>
</tr>
<?php } ?>
</table>
<p>ECS (Extended Client Subnet) defines a mechanism for recursive resolvers to send partial client IP address information to authoritative DNS name servers. Content Delivery Networks (CDNs) and latency-sensitive services use this to give geo-located responses when responding to name lookups coming through public DNS resolvers. <em>Note that ECS may result in reduced privacy.</em></p>
</div>
</div>
</div>
</div>
</div>
<div class="col-lg-6">
<div class="box box-warning">
<div class="box-header with-border">
<h1 class="box-title">Upstream DNS Servers</h1>
</div>
<div class="box-body">
<div class="row">
<div class="col-md-6">
<strong>Custom 1 (IPv4)</strong>
<div class="row">
<div class="col-md-1"><div>
<input type="checkbox" name="custom1" id="custom1" value="Customv4" <?php if (isset($custom1)){ ?>checked<?php } ?>>
<label for="custom1"></label></div>
</div>
<div class="col-md-11">
<input type="text" name="custom1val" class="form-control" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
<?php if (isset($custom1)){ ?>value="<?php echo $custom1; ?>"<?php } ?>>
</div>
</div>
</div>
<div class="col-md-6">
<strong>Custom 2 (IPv4)</strong>
<div class="row">
<div class="col-md-1"><div>
<input type="checkbox" name="custom2" id="custom2" value="Customv4" <?php if (isset($custom2)){ ?>checked<?php } ?>>
<label for="custom2"></label></div>
</div>
<div class="col-md-11">
<input type="text" name="custom2val" class="form-control" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
<?php if (isset($custom2)){ ?>value="<?php echo $custom2; ?>"<?php } ?>>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<strong>Custom 3 (IPv6)</strong>
<div class="row">
<div class="col-md-1"><div>
<input type="checkbox" name="custom3" id="custom3" value="Customv6" <?php if (isset($custom3)){ ?>checked<?php } ?>>
<label for="custom3"></label></div>
</div>
<div class="col-md-11">
<input type="text" name="custom3val" class="form-control" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
<?php if (isset($custom3)){ ?>value="<?php echo $custom3; ?>"<?php } ?>>
</div>
</div>
</div>
<div class="col-md-6">
<strong>Custom 4 (IPv6)</strong>
<div class="row">
<div class="col-md-1"><div>
<input type="checkbox" name="custom4" id="custom4" value="Customv6" <?php if (isset($custom4)){ ?>checked<?php } ?>>
<label for="custom4"></label></div>
</div>
<div class="col-md-11">
<input type="text" name="custom4val" class="form-control" autocomplete="off" spellcheck="false" autocapitalize="none" autocorrect="off"
<?php if (isset($custom4)){ ?>value="<?php echo $custom4; ?>"<?php } ?>>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="col-lg-6">
<div class="box box-warning">
<div class="box-header with-border">
<h1 class="box-title">Interface settings</h1>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<div class="form-group">
<div class="no-danger-area">
<h4>Recommended setting</h4>
<div>
<input type="radio" name="DNSinterface" id="DNSinterface1" value="local"
<?php if ($DNSinterface == "local"){ ?>checked<?php } ?>>
<label for="DNSinterface1"><strong>Allow only local requests</strong><br>Allows only queries from devices that are at most one hop away (local devices)</label>
</div>
</div>
<div class="danger-area">
<h4>Potentially dangerous options</h4>Make sure your Pi-hole is properly firewalled!
<div>
<input type="radio" name="DNSinterface" id="DNSinterface2" value="single"
<?php if ($DNSinterface == "single"){ ?>checked<?php } ?>>
<label for="DNSinterface2"><strong>Respond only on interface <?php echo htmlentities($piHoleInterface); ?></strong></label>
</div>
<div>
<input type="radio" name="DNSinterface" id="DNSinterface3" value="bind"
<?php if ($DNSinterface == "bind"){ ?>checked<?php } ?>>
<label for="DNSinterface3"><strong>Bind only to interface <?php echo htmlentities($piHoleInterface); ?></strong></label>
</div>
<div>
<input type="radio" name="DNSinterface" id="DNSinterface4" value="all"
<?php if ($DNSinterface == "all"){ ?>checked<?php } ?>>
<label for="DNSinterface4"><strong>Permit all origins</strong></label>
</div>
<p>These options are dangerous on devices
directly connected to the Internet such as cloud instances and are only safe if your
Pi-hole is properly firewalled. In a typical at-home setup where your Pi-hole is
located within your local network (and you have <strong>not</strong> forwarded port 53
in your router!) they are safe to use.</p>
</div>
</div>
<p>See <a href="https://docs.pi-hole.net/ftldns/interfaces/" target="_blank">our documentation</a> for further technical details.</p>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-lg-12">
<div class="box box-warning">
<div class="box-header with-border">
<h3 class="box-title">Advanced DNS settings</h3>
</div>
<div class="box-body">
<div class="row">
<div class="col-lg-12">
<div>
<input type="checkbox" name="DNSrequiresFQDN" id="DNSrequiresFQDN" title="domain-needed" <?php if ($DNSrequiresFQDN){ ?>checked<?php } ?>>
<label for="DNSrequiresFQDN"><strong>Never forward non-FQDN <code>A</code> and <code>AAAA</code> queries</strong></label>
<p>When there is a Pi-hole domain set and this box is
ticked, this asks FTL that this domain is purely
local and FTL may answer queries from <code>/etc/hosts</code> or DHCP leases
but should never forward queries on that domain to any upstream servers.
If Conditional Forwarding is enabled, unticking this box may cause a partial
DNS loop under certain circumstances (e.g. if a client would send TLD DNSSEC queries).</p>
</div>
<div>
<input type="checkbox" name="DNSbogusPriv" id="DNSbogusPriv" title="bogus-priv" <?php if ($DNSbogusPriv){ ?>checked<?php } ?>>
<label for="DNSbogusPriv"><strong>Never forward reverse lookups for private IP ranges</strong></label>
<p>All reverse lookups for private IP ranges (i.e., <code>192.168.0.x/24</code>, etc.)
which are not found in <code>/etc/hosts</code> or the DHCP leases are answered
with "no such domain" rather than being forwarded upstream. The set
of prefixes affected is the list given in <a href="https://tools.ietf.org/html/rfc6303">RFC6303</a>.</p>
<p><strong>Important</strong>: Enabling these two options may increase your privacy,
but may also prevent you from being able to access
local hostnames if the Pi-hole is not used as DHCP server.</p>
</div>
<br>
<div>
<input type="checkbox" name="DNSSEC" id="DNSSEC" <?php if ($DNSSEC){ ?>checked<?php } ?>>
<label for="DNSSEC"><strong>Use DNSSEC</strong></label>
<p>Validate DNS replies and cache DNSSEC data. When forwarding DNS
queries, Pi-hole requests the DNSSEC records needed to validate
the replies. If a domain fails validation or the upstream does not
support DNSSEC, this setting can cause issues resolving domains.
Use an upstream DNS server which supports DNSSEC when activating DNSSEC. Note that
the size of your log might increase significantly
when enabling DNSSEC. A DNSSEC resolver test can be found
<a href="https://dnssec.vs.uni-due.de/" rel="noopener" target="_blank">here</a>.</p>
</div>
<br>
<h4><a id="ratelimit"></a>Rate-limiting</h4>
<p>Block clients making more than <input type="number" name="rate_limit_count" value="<?=$rate_limit_count?>" min="0" step="10" style="width: 5em;"> queries within
<input type="number" name="rate_limit_interval" value="<?=$rate_limit_interval?>" min="0" step="10" style="width: 4em;"> seconds.</p>
<p>When a client makes too many queries in too short time, it
gets rate-limited. Rate-limited queries are answered with a
<code>REFUSED</code> reply and not further processed by FTL
and prevent Pi-holes getting overwhelmed by rogue clients.
It is important to note that rate-limiting is happening on a
per-client basis. Other clients can continue to use FTL while
rate-limited clients are short-circuited at the same time.</p>
<p>Rate-limiting may be disabled altogether by setting both
values to zero. See
<a href="https://docs.pi-hole.net/ftldns/configfile/#rate_limit" target="_blank">our documentation</a>
for further details.</p>
<br>
<h4>Conditional forwarding</h4>
<p>If not configured as your DHCP server, Pi-hole typically won't be able to
determine the names of devices on your local network. As a
result, tables such as Top Clients will only show IP addresses.</p>
<p>One solution for this is to configure Pi-hole to forward these
requests to your DHCP server (most likely your router), but only for devices on your
home network. To configure this we will need to know the IP
address of your DHCP server and which addresses belong to your local network.
Exemplary input is given below as placeholder in the text boxes (if empty).</p>
<p>If your local network spans 192.168.0.1 - 192.168.0.255, then you will have to input
<code>192.168.0.0/24</code>. If your local network is 192.168.47.1 - 192.168.47.255, it will
be <code>192.168.47.0/24</code> and similar. If your network is larger, the CIDR has to be
different, for instance a range of 10.8.0.1 - 10.8.255.255 results in <code>10.8.0.0/16</code>,
whereas an even wider network of 10.0.0.1 - 10.255.255.255 results in <code>10.0.0.0/8</code>.
Setting up IPv6 ranges is exactly similar to setting up IPv4 here and fully supported.
Feel free to reach out to us on our
<a href="https://discourse.pi-hole.net" rel="noopener" target="_blank">Discourse forum</a>
in case you need any assistance setting up local host name resolution for your particular system.</p>
<p>You can also specify a local domain name (like <code>fritz.box</code>) to ensure queries to
devices ending in your local domain name will not leave your network, however, this is optional.
The local domain name must match the domain name specified
in your DHCP server for this to work. You can likely find it within the DHCP settings.</p>
<p>Enabling Conditional Forwarding will also forward all hostnames (i.e., non-FQDNs) to the router
when "Never forward non-FQDNs" is <em>not</em> enabled.</p>
<div class="form-group">
<div>
<input type="checkbox" name="rev_server" id="rev_server" value="rev_server" <?php if(isset($rev_server) && ($rev_server == true)){ ?>checked<?php } ?>>
<label for="rev_server"><strong>Use Conditional Forwarding</strong></label>
</div>
<div class="input-group">
<table class="table table-bordered">
<thead>
<tr>
<th>Local network in <a href="https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing" target="_blank">CIDR notation</a></th>
<th>IP address of your DHCP server (router)</th>
<th>Local domain name (optional)</th>