diff --git a/2fa.php b/2fa.php
index b90cc0d2..635acf31 100644
--- a/2fa.php
+++ b/2fa.php
@@ -33,6 +33,7 @@ use Froxlor\FroxlorLogger;
 use Froxlor\FroxlorTwoFactorAuth;
 use Froxlor\Settings;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 use Froxlor\PhpHelper;
 use Froxlor\User;
@@ -63,7 +64,7 @@ if ($action == 'delete') {
 	]);
 	Response::standardSuccess('2fa.2fa_removed');
 } elseif ($action == 'preadd') {
-	$type = isset($_POST['type_2fa']) ? $_POST['type_2fa'] : '0';
+	$type = Request::post('type_2fa', '0');
 
 	$data = "";
 	if ($type > 0) {
@@ -107,9 +108,9 @@ if ($action == 'delete') {
 		Response::dynamicError('Select one of the possible values for 2FA');
 	}
 } elseif ($action == 'add') {
-	$type = isset($_POST['type_2fa']) ? $_POST['type_2fa'] : '0';
-	$data = isset($_POST['data_2fa']) ? $_POST['data_2fa'] : '';
-	$code = isset($_POST['codevalidation']) ? $_POST['codevalidation'] : '';
+	$type = Request::post('type_2fa', '0');
+	$data = Request::post('data_2fa', '');
+	$code = Request::post('codevalidation', '');
 
 	// validate
 	$result = $tfa->verifyCode($data, $code, 3);
diff --git a/admin_admins.php b/admin_admins.php
index 98a522f2..2399f778 100644
--- a/admin_admins.php
+++ b/admin_admins.php
@@ -106,7 +106,7 @@ if (($page == 'admins' || $page == 'overview') && $userinfo['change_serversettin
 				Response::standardError('youcantdeleteyourself');
 			}
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				Admins::getLocal($userinfo, [
 					'id' => $id
 				])->delete();
@@ -122,9 +122,9 @@ if (($page == 'admins' || $page == 'overview') && $userinfo['change_serversettin
 			}
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				Admins::getLocal($userinfo, $_POST)->add();
+				Admins::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -159,9 +159,9 @@ if (($page == 'admins' || $page == 'overview') && $userinfo['change_serversettin
 		$result = json_decode($json_result, true)['data'];
 
 		if ($result['loginname'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Admins::getLocal($userinfo, $_POST)->update();
+					Admins::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/admin_apcuinfo.php b/admin_apcuinfo.php
index f4a7e340..f9d96cff 100644
--- a/admin_apcuinfo.php
+++ b/admin_apcuinfo.php
@@ -33,6 +33,7 @@
 
 use Froxlor\FroxlorLogger;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 use Froxlor\UI\HTML;
 
@@ -42,7 +43,7 @@ require __DIR__ . '/lib/init.php';
 $horizontal_bar_size = 950; // 1280px window width
 
 if ($action == 'delete' && function_exists('apcu_clear_cache') && $userinfo['change_serversettings'] == '1') {
-	if ($_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		apcu_clear_cache();
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_INFO, "cleared APCu cache");
 		header('Location: ' . $linker->getLink([
diff --git a/admin_autoupdate.php b/admin_autoupdate.php
index dcaedae8..0c76152b 100644
--- a/admin_autoupdate.php
+++ b/admin_autoupdate.php
@@ -32,6 +32,7 @@ use Froxlor\FileDir;
 use Froxlor\Install\AutoUpdate;
 use Froxlor\Settings;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 
 if ($page != 'error') {
@@ -110,7 +111,7 @@ if ($page == 'overview') {
 } // download the new archive
 elseif ($page == 'getdownload') {
 	// retrieve the new version from the form
-	$newversion = isset($_POST['newversion']) ? $_POST['newversion'] : null;
+	$newversion = Request::post('newversion');
 
 	$result = 6;
 	// valid?
@@ -130,8 +131,8 @@ elseif ($page == 'getdownload') {
 	]);
 } // extract and install new version
 elseif ($page == 'extract') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
-		$toExtract = isset($_POST['archive']) ? $_POST['archive'] : null;
+	if (Request::post('send') == 'send') {
+		$toExtract = Request::post('archive');
 		$localArchive = FileDir::makeCorrectFile(Froxlor::getInstallDir() . '/updates/' . $toExtract);
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, "Extracting " . $localArchive . " to " . Froxlor::getInstallDir());
 		$result = AutoUpdate::extractZip($localArchive);
@@ -145,7 +146,7 @@ elseif ($page == 'extract') {
 		// redirect to update-page
 		Response::redirectTo('admin_updates.php');
 	} else {
-		$toExtract = isset($_GET['archive']) ? $_GET['archive'] : null;
+		$toExtract = Request::get('archive');
 		$localArchive = FileDir::makeCorrectFile(Froxlor::getInstallDir() . '/updates/' . $toExtract);
 	}
 
@@ -192,7 +193,7 @@ elseif ($page == 'extract') {
 } // display error
 elseif ($page == 'error') {
 	// retrieve error-number via url-parameter
-	$errno = isset($_GET['errno']) ? (int)$_GET['errno'] : 0;
+	$errno = Request::get('errno', 0);
 
 	// 2 = no Zlib
 	// 3 = custom version detected
diff --git a/admin_configfiles.php b/admin_configfiles.php
index 2de1a5fd..51af0972 100644
--- a/admin_configfiles.php
+++ b/admin_configfiles.php
@@ -93,14 +93,14 @@ if ($userinfo['change_serversettings'] == '1') {
 		asort($distributions_select);
 	}
 
-	if ($distribution != "" && isset($_POST['finish'])) {
+	if ($distribution != "" && !empty(Request::post('finish'))) {
 		$valid_keys = ['http', 'dns', 'smtp', 'mail', 'antispam', 'ftp', 'system', 'distro'];
 		unset($_POST['finish']);
 		unset($_POST['csrf_token']);
-		$params = $_POST;
+		$params = Request::postAll();
 		$params['distro'] = $distribution;
 		$params['system'] = [];
-		foreach ($_POST['system'] as $sysdaemon) {
+		foreach (Request::post('system', []) as $sysdaemon) {
 			$params['system'][] = $sysdaemon;
 		}
 		// validate params
diff --git a/admin_cronjobs.php b/admin_cronjobs.php
index 3a77e694..fc4a48d2 100644
--- a/admin_cronjobs.php
+++ b/admin_cronjobs.php
@@ -68,9 +68,9 @@ if (($page == 'cronjobs' || $page == 'overview') && $userinfo['change_serversett
 		}
 		$result = json_decode($json_result, true)['data'];
 		if ($result['cronfile'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Cronjobs::getLocal($userinfo, $_POST)->update();
+					Cronjobs::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/admin_customers.php b/admin_customers.php
index 72062cca..2b348d9e 100644
--- a/admin_customers.php
+++ b/admin_customers.php
@@ -119,7 +119,7 @@ if (($page == 'customers' || $page == 'overview') && $userinfo['customers'] != '
 		}
 		$result = json_decode($json_result, true)['data'];
 
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
 				$json_result = Customers::getLocal($userinfo, [
 					'id' => $id
@@ -147,11 +147,11 @@ if (($page == 'customers' || $page == 'overview') && $userinfo['customers'] != '
 		}
 		$result = json_decode($json_result, true)['data'];
 
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
 				$json_result = Customers::getLocal($userinfo, [
 					'id' => $id,
-					'delete_userfiles' => (isset($_POST['delete_userfiles']) ? (int)$_POST['delete_userfiles'] : 0)
+					'delete_userfiles' => Request::post('delete_userfiles', 0)
 				])->delete();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
@@ -167,9 +167,9 @@ if (($page == 'customers' || $page == 'overview') && $userinfo['customers'] != '
 			], $result['loginname']);
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				Customers::getLocal($userinfo, $_POST)->add();
+				Customers::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -243,9 +243,9 @@ if (($page == 'customers' || $page == 'overview') && $userinfo['customers'] != '
 		$result = json_decode($json_result, true)['data'];
 
 		if ($result['loginname'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Customers::getLocal($userinfo, $_POST)->update();
+					Customers::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/admin_domains.php b/admin_domains.php
index 1caeb42e..722cf21b 100644
--- a/admin_domains.php
+++ b/admin_domains.php
@@ -100,9 +100,9 @@ if ($page == 'domains' || $page == 'overview') {
 		]);
 
 		if ($result['domain'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send' && $alias_check['count'] == 0) {
+			if (Request::post('send') == 'send' && $alias_check['count'] == 0) {
 				try {
-					Domains::getLocal($userinfo, $_POST)->delete();
+					Domains::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -121,9 +121,9 @@ if ($page == 'domains' || $page == 'overview') {
 			}
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				Domains::getLocal($userinfo, $_POST)->add();
+				Domains::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -355,13 +355,13 @@ if ($page == 'domains' || $page == 'overview') {
 				$usedips[] = $ipsresultrow['id_ipandports'];
 			}
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					// remove ssl ip/ports if set is empty
-					if (!isset($_POST['ssl_ipandport']) || empty($_POST['ssl_ipandport'])) {
+					if (empty(Request::post('ssl_ipandport'))) {
 						$_POST['remove_ssl_ipandport'] = true;
 					}
-					Domains::getLocal($userinfo, $_POST)->update();
+					Domains::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -572,13 +572,13 @@ if ($page == 'domains' || $page == 'overview') {
 			}
 		}
 	} elseif ($action == 'jqGetCustomerPHPConfigs') {
-		$customerid = intval($_POST['customerid']);
+		$customerid = intval(Request::post('customerid'));
 		$allowed_phpconfigs = Customer::getCustomerDetail($customerid, 'allowed_phpconfigs');
 		echo !empty($allowed_phpconfigs) ? $allowed_phpconfigs : json_encode([]);
 		exit();
 	} elseif ($action == 'jqSpeciallogfileNote') {
-		$domainid = intval($_POST['id']);
-		$newval = intval($_POST['newval']);
+		$domainid = intval(Request::post('id'));
+		$newval = intval(Request::post('newval'));
 		try {
 			$json_result = Domains::getLocal($userinfo, [
 				'id' => $domainid
@@ -594,9 +594,9 @@ if ($page == 'domains' || $page == 'overview') {
 		echo 0;
 		exit();
 	} elseif ($action == 'import') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
-			$separator = Validate::validate($_POST['separator'], 'separator');
-			$offset = (int)Validate::validate($_POST['offset'], 'offset', "/[0-9]/i");
+		if (Request::post('send') == 'send') {
+			$separator = Validate::validate(Request::post('separator'), 'separator');
+			$offset = (int)Validate::validate(Request::post('offset'), 'offset', "/[0-9]/i");
 
 			$file_name = $_FILES['file']['tmp_name'];
 
@@ -636,9 +636,9 @@ if ($page == 'domains' || $page == 'overview') {
 			]);
 		}
 	} elseif ($action == 'duplicate') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				Domains::getLocal($userinfo, $_POST)->duplicate();
+				Domains::getLocal($userinfo, Request::postAll())->duplicate();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
diff --git a/admin_index.php b/admin_index.php
index 0cca79fa..8a3b4262 100644
--- a/admin_index.php
+++ b/admin_index.php
@@ -201,16 +201,16 @@ if ($page == 'overview') {
 	$languages = Language::getLanguages();
 
 	if (!empty($_POST)) {
-		if ($_POST['send'] == 'changepassword') {
-			$old_password = Validate::validate($_POST['old_password'], 'old password');
+		if (Request::post('send') == 'changepassword') {
+			$old_password = Validate::validate(Request::post('old_password'), 'old password');
 
 			if (!Crypt::validatePasswordLogin($userinfo, $old_password, TABLE_PANEL_ADMINS, 'adminid')) {
 				Response::standardError('oldpasswordnotcorrect');
 			}
 
 			try {
-				$new_password = Crypt::validatePassword($_POST['new_password'], 'new password');
-				$new_password_confirm = Crypt::validatePassword($_POST['new_password_confirm'], 'new password confirm');
+				$new_password = Crypt::validatePassword(Request::post('new_password'), 'new password');
+				$new_password_confirm = Crypt::validatePassword(Request::post('new_password_confirm'), 'new password confirm');
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -244,9 +244,9 @@ if ($page == 'overview') {
 				$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, 'changed password');
 				Response::redirectTo($filename);
 			}
-		} elseif ($_POST['send'] == 'changetheme') {
+		} elseif (Request::post('send') == 'changetheme') {
 			if (Settings::Get('panel.allow_theme_change_admin') == 1) {
-				$theme = Validate::validate($_POST['theme'], 'theme');
+				$theme = Validate::validate(Request::post('theme'), 'theme');
 				try {
 					Admins::getLocal($userinfo, [
 						'id' => $userinfo['adminid'],
@@ -259,8 +259,8 @@ if ($page == 'overview') {
 				$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, "changed his/her theme to '" . $theme . "'");
 			}
 			Response::redirectTo($filename);
-		} elseif ($_POST['send'] == 'changelanguage') {
-			$def_language = Validate::validate($_POST['def_language'], 'default language');
+		} elseif (Request::post('send') == 'changelanguage') {
+			$def_language = Validate::validate(Request::post('def_language'), 'default language');
 
 			if (isset($languages[$def_language])) {
 				try {
diff --git a/admin_ipsandports.php b/admin_ipsandports.php
index c660bc21..905f1348 100644
--- a/admin_ipsandports.php
+++ b/admin_ipsandports.php
@@ -70,7 +70,7 @@ if (($page == 'ipsandports' || $page == 'overview') && $userinfo['change_servers
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['id']) && $result['id'] == $id) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					IpsAndPorts::getLocal($userinfo, [
 						'id' => $id
@@ -91,9 +91,9 @@ if (($page == 'ipsandports' || $page == 'overview') && $userinfo['change_servers
 			}
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				IpsAndPorts::getLocal($userinfo, $_POST)->add();
+				IpsAndPorts::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -119,9 +119,9 @@ if (($page == 'ipsandports' || $page == 'overview') && $userinfo['change_servers
 		$result = json_decode($json_result, true)['data'];
 
 		if ($result['ip'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					IpsAndPorts::getLocal($userinfo, $_POST)->update();
+					IpsAndPorts::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -141,7 +141,7 @@ if (($page == 'ipsandports' || $page == 'overview') && $userinfo['change_servers
 			}
 		}
 	} elseif ($action == 'jqCheckIP') {
-		$ip = $_POST['ip'] ?? "";
+		$ip = Request::post('ip', '');
 		if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6)) {
 			echo json_encode('<div id="ipnote" class="invalid-feedback">'.lng('error.invalidip', [$ip]).'</div>');
 		} elseif (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE | FILTER_FLAG_NO_PRIV_RANGE)) {
diff --git a/admin_logger.php b/admin_logger.php
index 28fb9638..334b0c72 100644
--- a/admin_logger.php
+++ b/admin_logger.php
@@ -31,6 +31,7 @@ use Froxlor\UI\Collection;
 use Froxlor\UI\HTML;
 use Froxlor\UI\Listing;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 
 if ($page == 'log' && $userinfo['change_serversettings'] == '1') {
@@ -55,7 +56,7 @@ if ($page == 'log' && $userinfo['change_serversettings'] == '1') {
 			]
 		]);
 	} elseif ($action == 'truncate') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
 				SysLog::getLocal($userinfo, [
 					'min_to_keep' => 10
diff --git a/admin_message.php b/admin_message.php
index 34343acc..c5d9913b 100644
--- a/admin_message.php
+++ b/admin_message.php
@@ -42,11 +42,11 @@ if ($page == 'message') {
 	if ($action == '') {
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, 'viewed panel_message');
 
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
-			if ($_POST['recipient'] == 0 && $userinfo['customers_see_all'] == '1') {
+		if (Request::post('send') == 'send') {
+			if (Request::post('recipient', -1) == 0 && $userinfo['customers_see_all'] == '1') {
 				$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, 'sending messages to admins');
 				$result = Database::query('SELECT `name`, `email`  FROM `' . TABLE_PANEL_ADMINS . "`");
-			} elseif ($_POST['recipient'] == 1) {
+			} elseif (Request::post('recipient', -1) == 1) {
 				if ($userinfo['customers_see_all'] == '1') {
 					$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, 'sending messages to ALL customers');
 					$result = Database::query('SELECT `firstname`, `name`, `company`, `email`  FROM `' . TABLE_PANEL_CUSTOMERS . "`");
@@ -63,8 +63,8 @@ if ($page == 'message') {
 				Response::standardError('norecipientsgiven');
 			}
 
-			$subject = $_POST['subject'];
-			$message = wordwrap($_POST['message'], 70);
+			$subject = Request::post('subject');
+			$message = wordwrap(Request::post('message'), 70);
 
 			if (!empty($message)) {
 				$mailcounter = 0;
diff --git a/admin_mysqlserver.php b/admin_mysqlserver.php
index 699a2441..a213d080 100644
--- a/admin_mysqlserver.php
+++ b/admin_mysqlserver.php
@@ -70,7 +70,7 @@ if (($page == 'mysqlserver' || $page == 'overview') && $userinfo['change_servers
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['id']) && $result['id'] == $id) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					MysqlServer::getLocal($userinfo, [
 						'id' => $id
@@ -91,9 +91,9 @@ if (($page == 'mysqlserver' || $page == 'overview') && $userinfo['change_servers
 			}
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				MysqlServer::getLocal($userinfo, $_POST)->add();
+				MysqlServer::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -119,9 +119,9 @@ if (($page == 'mysqlserver' || $page == 'overview') && $userinfo['change_servers
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['id']) && $result['id'] == $id) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					MysqlServer::getLocal($userinfo, $_POST)->update();
+					MysqlServer::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/admin_opcacheinfo.php b/admin_opcacheinfo.php
index eddace9e..443a11d1 100644
--- a/admin_opcacheinfo.php
+++ b/admin_opcacheinfo.php
@@ -38,7 +38,7 @@ use Froxlor\UI\Panel\UI;
 use Froxlor\UI\Response;
 
 if ($action == 'reset' && function_exists('opcache_reset') && $userinfo['change_serversettings'] == '1') {
-	if ($_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		opcache_reset();
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_INFO, "reset OPcache");
 		header('Location: ' . $linker->getLink([
diff --git a/admin_phpsettings.php b/admin_phpsettings.php
index 208692e2..13b14f36 100644
--- a/admin_phpsettings.php
+++ b/admin_phpsettings.php
@@ -62,9 +62,9 @@ if ($page == 'overview') {
 
 	if ($action == 'add') {
 		if ((int)$userinfo['change_serversettings'] == 1) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					PhpSettings::getLocal($userinfo, $_POST)->add();
+					PhpSettings::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -114,7 +114,7 @@ if ($page == 'overview') {
 
 		if ($result['id'] != 0 && $result['id'] == $id && (int)$userinfo['change_serversettings'] == 1 && $id != 1) // cannot delete the default php.config
 		{
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					PhpSettings::getLocal($userinfo, [
 						'id' => $id
@@ -148,9 +148,9 @@ if ($page == 'overview') {
 		$result = json_decode($json_result, true)['data'];
 
 		if ($result['id'] != 0 && $result['id'] == $id && (int)$userinfo['change_serversettings'] == 1) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					PhpSettings::getLocal($userinfo, $_POST)->update();
+					PhpSettings::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -200,9 +200,9 @@ if ($page == 'overview') {
 
 	if ($action == 'add') {
 		if ((int)$userinfo['change_serversettings'] == 1) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					FpmDaemons::getLocal($userinfo, $_POST)->add();
+					FpmDaemons::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -239,9 +239,9 @@ if ($page == 'overview') {
 
 		if ($result['id'] != 0 && $result['id'] == $id && (int)$userinfo['change_serversettings'] == 1 && $id != 1) // cannot delete the default php.config
 		{
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					FpmDaemons::getLocal($userinfo, $_POST)->delete();
+					FpmDaemons::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -271,9 +271,9 @@ if ($page == 'overview') {
 		$result = json_decode($json_result, true)['data'];
 
 		if ($result['id'] != 0 && $result['id'] == $id && (int)$userinfo['change_serversettings'] == 1) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					FpmDaemons::getLocal($userinfo, $_POST)->update();
+					FpmDaemons::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/admin_plans.php b/admin_plans.php
index f25ccd6f..0a3bb097 100644
--- a/admin_plans.php
+++ b/admin_plans.php
@@ -73,7 +73,7 @@ if ($page == '' || $page == 'overview') {
 		$result = json_decode($json_result, true)['data'];
 
 		if ($result['id'] != 0 && $result['id'] == $id && (int)$userinfo['adminid'] == $result['adminid']) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					HostingPlans::getLocal($userinfo, [
 						'id' => $id
@@ -96,9 +96,9 @@ if ($page == '' || $page == 'overview') {
 			Response::standardError('nopermissionsorinvalidid');
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				HostingPlans::getLocal($userinfo, $_POST)->add();
+				HostingPlans::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -176,9 +176,9 @@ if ($page == '' || $page == 'overview') {
 			}
 			$result['allowed_phpconfigs'] = json_encode($result['allowed_phpconfigs']);
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					HostingPlans::getLocal($userinfo, $_POST)->update();
+					HostingPlans::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/admin_settings.php b/admin_settings.php
index 8d6fe497..057ff9d9 100644
--- a/admin_settings.php
+++ b/admin_settings.php
@@ -47,10 +47,10 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 	$settings_data = PhpHelper::loadConfigArrayDir('./actions/admin/settings/');
 	Settings::loadSettingsInto($settings_data);
 
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$_part = isset($_GET['part']) ? $_GET['part'] : '';
 		if ($_part == '') {
-			$_part = isset($_POST['part']) ? $_POST['part'] : '';
+			$_part = Request::post('part', '');
 		}
 
 		if ($_part != '') {
@@ -69,12 +69,12 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		}
 
 		// check if the session timeout is too low #815
-		if (isset($_POST['session_sessiontimeout']) && $_POST['session_sessiontimeout'] < 60) {
+		if (Request::post('session_sessiontimeout', 0) < 60) {
 			Response::standardError(['session_timeout', 'session_timeout_desc']);
 		}
 
 		try {
-			if (Form::processForm($settings_data, $_POST, [
+			if (Form::processForm($settings_data, Request::postAll(), [
 				'filename' => $filename,
 				'action' => $action,
 				'page' => $page,
@@ -99,7 +99,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 	} else {
 		$_part = isset($_GET['part']) ? $_GET['part'] : '';
 		if ($_part == '') {
-			$_part = isset($_POST['part']) ? $_POST['part'] : '';
+			$_part = Request::post('part', '');
 		}
 
 		$fields = Form::buildForm($settings_data, $_part);
@@ -140,7 +140,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		'phpinfo' => $phpinfo
 	]);
 } elseif ($page == 'rebuildconfigs' && $userinfo['change_serversettings'] == '1') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_INFO, "rebuild configfiles");
 		Cronjob::inserttask(TaskId::REBUILD_VHOST);
 		Cronjob::inserttask(TaskId::CREATE_QUOTA);
@@ -158,7 +158,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		]);
 	}
 } elseif ($page == 'updatecounters' && $userinfo['change_serversettings'] == '1') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_INFO, "updated resource-counters");
 		$updatecounters = User::updateCounters(true);
 		UI::view('user/resource-counter.html.twig', [
@@ -170,7 +170,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		]);
 	}
 } elseif ($page == 'wipecleartextmailpws' && $userinfo['change_serversettings'] == '1') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_WARNING, "wiped all cleartext mail passwords");
 		Database::query("UPDATE `" . TABLE_MAIL_USERS . "` SET `password` = '';");
 		Database::query("UPDATE `" . TABLE_PANEL_SETTINGS . "` SET `value` = '0' WHERE `settinggroup` = 'system' AND `varname` = 'mailpwcleartext'");
@@ -181,7 +181,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		]);
 	}
 } elseif ($page == 'wipequotas' && $userinfo['change_serversettings'] == '1') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$log->logAction(FroxlorLogger::ADM_ACTION, LOG_WARNING, "wiped all mailquotas");
 
 		// Set the quota to 0 which means unlimited
@@ -194,7 +194,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		]);
 	}
 } elseif ($page == 'enforcequotas' && $userinfo['change_serversettings'] == '1') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		// Fetch all accounts
 		$result_stmt = Database::query("SELECT `quota`, `customerid` FROM `" . TABLE_MAIL_USERS . "`");
 
@@ -233,7 +233,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 	}
 } elseif ($page == 'integritycheck' && $userinfo['change_serversettings'] == '1') {
 	$integrity = new IntegrityCheck();
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$integrity->fixAll();
 	} elseif (isset($_GET['action']) && $_GET['action'] == "fix") {
 		HTML::askYesNo('admin_integritycheck_reallyfix', $filename, [
@@ -287,7 +287,7 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 		exit();
 	} elseif (isset($_GET['action']) && $_GET['action'] == "import") {
 		// import
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			// get uploaded file
 			if (isset($_FILES["import_file"]["tmp_name"])) {
 				$imp_content = file_get_contents($_FILES["import_file"]["tmp_name"]);
@@ -330,8 +330,8 @@ if ($page == 'overview' && $userinfo['change_serversettings'] == '1') {
 	$note_type = 'info';
 	$note_msg = lng('admin.smtptestnote');
 
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
-		$test_addr = isset($_POST['test_addr']) ? $_POST['test_addr'] : null;
+	if (Request::post('send') == 'send') {
+		$test_addr = Request::post('test_addr');
 
 		// Initialize the mailingsystem
 		$testmail = new PHPMailer(true);
diff --git a/admin_templates.php b/admin_templates.php
index 7ae618bb..1f535c3f 100644
--- a/admin_templates.php
+++ b/admin_templates.php
@@ -192,7 +192,7 @@ if ($action == '') {
 	$result = $result_stmt->fetch(PDO::FETCH_ASSOC);
 
 	if ($result['varname'] != '') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			$del_stmt = Database::prepare("
 				DELETE FROM `" . TABLE_PANEL_TEMPLATES . "`
 				WHERE `adminid` = :adminid
@@ -228,7 +228,7 @@ if ($action == '') {
 	if (Database::num_rows() > 0) {
 		$row = $result_stmt->fetch(PDO::FETCH_ASSOC);
 
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			$del_stmt = Database::prepare("
 				DELETE FROM `" . TABLE_PANEL_TEMPLATES . "`
 				WHERE `adminid` = :adminid AND `id` = :id");
@@ -251,13 +251,13 @@ if ($action == '') {
 		Response::standardError('templatenotfound');
 	}
 } elseif ($action == 'add') {
-	if (isset($_POST['prepare']) && $_POST['prepare'] == 'prepare') {
+	if (Request::post('prepare') == 'prepare') {
 		// email templates
-		$language = htmlentities(Validate::validate($_POST['language'], 'language', '/^[^\r\n\0"\']+$/', 'nolanguageselect'));
+		$language = htmlentities(Validate::validate(Request::post('language'), 'language', '/^[^\r\n\0"\']+$/', 'nolanguageselect'));
 		if (!array_key_exists($language, $languages)) {
 			Response::standardError('templatelanguageinvalid');
 		}
-		$template = Validate::validate($_POST['template'], 'template');
+		$template = Validate::validate(Request::post('template'), 'template');
 
 		$result_stmt = Database::prepare("
 			SELECT COUNT(*) as def FROM `" . TABLE_PANEL_TEMPLATES . "`
@@ -289,15 +289,15 @@ if ($action == '') {
 			'formdata' => $template_add_data['template_add'],
 			'replacers' => $template_add_data['template_replacers']
 		]);
-	} elseif (isset($_POST['send']) && $_POST['send'] == 'send' && !isset($_POST['filesend'])) {
+	} elseif (Request::post('send') == 'send' && empty(Request::post('filesend'))) {
 		// email templates
-		$language = htmlentities(Validate::validate($_POST['language'], 'language', '/^[^\r\n\0"\']+$/', 'nolanguageselect'));
+		$language = htmlentities(Validate::validate(Request::post('language'), 'language', '/^[^\r\n\0"\']+$/', 'nolanguageselect'));
 		if (!array_key_exists($language, $languages)) {
 			Response::standardError('templatelanguageinvalid');
 		}
-		$template = Validate::validate($_POST['template'], 'template');
-		$subject = Validate::validate($_POST['subject'], 'subject', '/^[^\r\n\0]+$/', 'nosubjectcreate');
-		$mailbody = Validate::validate($_POST['mailbody'], 'mailbody', '/^[^\0]+$/', 'nomailbodycreate');
+		$template = Validate::validate(Request::post('template'), 'template');
+		$subject = Validate::validate(Request::post('subject'), 'subject', '/^[^\r\n\0]+$/', 'nosubjectcreate');
+		$mailbody = Validate::validate(Request::post('mailbody'), 'mailbody', '/^[^\0]+$/', 'nomailbodycreate');
 		$templates = [];
 		$result_stmt = Database::prepare("
 			SELECT `varname` FROM `" . TABLE_PANEL_TEMPLATES . "`
@@ -347,10 +347,10 @@ if ($action == '') {
 				'page' => $page
 			]);
 		}
-	} elseif (isset($_POST['filesend']) && $_POST['filesend'] == 'filesend') {
+	} elseif (Request::post('filesend') == 'filesend') {
 		// file templates
-		$template = Validate::validate($_POST['template'], 'template');
-		$filecontent = Validate::validate($_POST['filecontent'], 'filecontent', '/^[^\0]+$/', 'filecontentnotset');
+		$template = Validate::validate(Request::post('template'), 'template');
+		$filecontent = Validate::validate(Request::post('filecontent'), 'filecontent', '/^[^\0]+$/', 'filecontentnotset');
 
 		$ins_stmt = Database::prepare("
 			INSERT INTO `" . TABLE_PANEL_TEMPLATES . "` SET
@@ -483,9 +483,9 @@ if ($action == '') {
 	$result = $result_stmt->fetch(PDO::FETCH_ASSOC);
 
 	if ($result['varname'] != '') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
-			$subject = Validate::validate($_POST['subject'], 'subject', '/^[^\r\n\0]+$/', 'nosubjectcreate');
-			$mailbody = Validate::validate($_POST['mailbody'], 'mailbody', '/^[^\0]+$/', 'nomailbodycreate');
+		if (Request::post('send') == 'send') {
+			$subject = Validate::validate(Request::post('subject'), 'subject', '/^[^\r\n\0]+$/', 'nosubjectcreate');
+			$mailbody = Validate::validate(Request::post('mailbody'), 'mailbody', '/^[^\0]+$/', 'nomailbodycreate');
 
 			$upd_stmt = Database::prepare("
 				UPDATE `" . TABLE_PANEL_TEMPLATES . "` SET
@@ -551,8 +551,8 @@ if ($action == '') {
 		$row = $result_stmt->fetch(PDO::FETCH_ASSOC);
 
 		// filetemplates
-		if (isset($_POST['filesend']) && $_POST['filesend'] == 'filesend') {
-			$filecontent = Validate::validate($_POST['filecontent'], 'filecontent', '/^[^\0]+$/', 'filecontentnotset');
+		if (Request::post('filesend') == 'filesend') {
+			$filecontent = Validate::validate(Request::post('filecontent'), 'filecontent', '/^[^\0]+$/', 'filecontentnotset');
 			$upd_stmt = Database::prepare("
 				UPDATE `" . TABLE_PANEL_TEMPLATES . "` SET
 					`value` = :value
diff --git a/admin_updates.php b/admin_updates.php
index d2c928aa..0ae3e08c 100644
--- a/admin_updates.php
+++ b/admin_updates.php
@@ -34,6 +34,7 @@ use Froxlor\Install\Update;
 use Froxlor\Settings;
 use Froxlor\System\Cronjob;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 use Froxlor\User;
 
@@ -48,8 +49,8 @@ if ($page == 'overview') {
 		$successful_update = false;
 		$message = '';
 
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
-			if ((isset($_POST['update_preconfig']) && isset($_POST['update_changesagreed']) && intval($_POST['update_changesagreed']) != 0) || !isset($_POST['update_preconfig'])) {
+		if (Request::post('send') == 'send') {
+			if ((!empty(Request::post('update_preconfig')) && intval(Request::post('update_changesagreed', 0)) != 0) || empty(Request::post('update_preconfig'))) {
 				include_once Froxlor::getInstallDir() . 'install/updatesql.php';
 
 				User::updateCounters();
diff --git a/api_keys.php b/api_keys.php
index 1a566090..582cdb4b 100644
--- a/api_keys.php
+++ b/api_keys.php
@@ -61,7 +61,7 @@ if ($action == 'delete' && $id > 0) {
 		'section' => 'index',
 		'page' => $page
 	]);
-} elseif (isset($_POST['send']) && $_POST['send'] == 'send' && $action == 'deletesure' && $id > 0) {
+} elseif (Request::post('send') == 'send' && $action == 'deletesure' && $id > 0) {
 	$chk = (AREA == 'admin' && $userinfo['customers_see_all'] == '1') ? true : false;
 	if (AREA == 'customer') {
 		$chk_stmt = Database::prepare("
@@ -94,7 +94,7 @@ if ($action == 'delete' && $id > 0) {
 		]);
 	}
 } elseif ($action == 'add') {
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
+	if (Request::post('send') == 'send') {
 		$ins_stmt = Database::prepare("
 			INSERT INTO `" . TABLE_API_KEYS . "` SET
 			`apikey` = :key, `secret` = :secret, `adminid` = :aid, `customerid` = :cid, `valid_until` = '-1', `allowed_from` = ''
diff --git a/customer_domains.php b/customer_domains.php
index e06010a0..1fb05339 100644
--- a/customer_domains.php
+++ b/customer_domains.php
@@ -106,9 +106,9 @@ if ($page == 'overview' || $page == 'domains') {
 		]);
 
 		if (isset($result['parentdomainid']) && $result['parentdomainid'] != '0' && $alias_check['count'] == 0) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					SubDomains::getLocal($userinfo, $_POST)->delete();
+					SubDomains::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -127,9 +127,9 @@ if ($page == 'overview' || $page == 'domains') {
 		}
 	} elseif ($action == 'add') {
 		if ($userinfo['subdomains_used'] < $userinfo['subdomains'] || $userinfo['subdomains'] == '-1') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					SubDomains::getLocal($userinfo, $_POST)->add();
+					SubDomains::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -248,9 +248,9 @@ if ($page == 'overview' || $page == 'domains') {
 				Response::standardError('domaincannotbeedited', $result['domain']);
 			}
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					SubDomains::getLocal($userinfo, $_POST)->update();
+					SubDomains::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -395,8 +395,8 @@ if ($page == 'overview' || $page == 'domains') {
 			Response::standardError('domains_canteditdomain');
 		}
 	} elseif ($action == 'jqSpeciallogfileNote') {
-		$domainid = intval($_POST['id']);
-		$newval = intval($_POST['newval']);
+		$domainid = intval(Request::post('id'));
+		$newval = intval(Request::post('newval'));
 		try {
 			$json_result = SubDomains::getLocal($userinfo, [
 				'id' => $domainid
diff --git a/customer_email.php b/customer_email.php
index 8a5616de..c3d8e6f5 100644
--- a/customer_email.php
+++ b/customer_email.php
@@ -30,6 +30,7 @@ use Froxlor\Api\Commands\EmailAccounts;
 use Froxlor\Api\Commands\EmailDomains;
 use Froxlor\Api\Commands\EmailForwarders;
 use Froxlor\Api\Commands\Emails;
+use Froxlor\Cron\Mail\Rspamd;
 use Froxlor\CurrentUser;
 use Froxlor\Database\Database;
 use Froxlor\FroxlorLogger;
@@ -160,11 +161,11 @@ if ($page == 'email_domain') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['email']) && $result['email'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					Emails::getLocal($userinfo, [
 						'id' => $id,
-						'delete_userfiles' => ($_POST['delete_userfiles'] ?? 0)
+						'delete_userfiles' => Request::post('delete_userfiles', 0)
 					])->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
@@ -187,9 +188,9 @@ if ($page == 'email_domain') {
 		}
 	} elseif ($action == 'add') {
 		if ($userinfo['emails_used'] < $userinfo['emails'] || $userinfo['emails'] == '-1') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					$json_result = Emails::getLocal($userinfo, $_POST)->add();
+					$json_result = Emails::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -244,12 +245,12 @@ if ($page == 'email_domain') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['email']) && $result['email'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
 					Emails::getLocal($userinfo, [
 						'id' => $id,
-						'spam_tag_level' => $_POST['spam_tag_level'] ?? \Froxlor\Cron\Mail\Rspamd::DEFAULT_MARK_LVL,
-						'spam_kill_level' => $_POST['spam_kill_level'] ?? \Froxlor\Cron\Mail\Rspamd::DEFAULT_REJECT_LVL
+						'spam_tag_level' => Request::post('spam_tag_level', Rspamd::DEFAULT_MARK_LVL),
+						'spam_kill_level' => Request::post('spam_kill_level', Rspamd::DEFAULT_REJECT_LVL)
 					])->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
@@ -386,9 +387,9 @@ if ($page == 'email_domain') {
 			}
 			$result = json_decode($json_result, true)['data'];
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					EmailAccounts::getLocal($userinfo, $_POST)->add();
+					EmailAccounts::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -457,9 +458,9 @@ if ($page == 'email_domain') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['popaccountid']) && $result['popaccountid'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					EmailAccounts::getLocal($userinfo, $_POST)->update();
+					EmailAccounts::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -516,9 +517,9 @@ if ($page == 'email_domain') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['popaccountid']) && $result['popaccountid'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					EmailAccounts::getLocal($userinfo, $_POST)->update();
+					EmailAccounts::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -575,9 +576,9 @@ if ($page == 'email_domain') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['popaccountid']) && $result['popaccountid'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					EmailAccounts::getLocal($userinfo, $_POST)->delete();
+					EmailAccounts::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -611,9 +612,9 @@ if ($page == 'email_domain') {
 			$result = json_decode($json_result, true)['data'];
 
 			if (isset($result['email']) && $result['email'] != '') {
-				if (isset($_POST['send']) && $_POST['send'] == 'send') {
+				if (Request::post('send') == 'send') {
 					try {
-						EmailForwarders::getLocal($userinfo, $_POST)->add();
+						EmailForwarders::getLocal($userinfo, Request::postAll())->add();
 					} catch (Exception $e) {
 						Response::dynamicError($e->getMessage());
 					}
@@ -673,22 +674,15 @@ if ($page == 'email_domain') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['destination']) && $result['destination'] != '') {
-			if (isset($_POST['forwarderid'])) {
-				$forwarderid = intval($_POST['forwarderid']);
-			} elseif (isset($_GET['forwarderid'])) {
-				$forwarderid = intval($_GET['forwarderid']);
-			} else {
-				$forwarderid = 0;
-			}
-
+			$forwarderid = Request::any('forwarderid', 0);
 			$result['destination'] = explode(' ', $result['destination']);
 
 			if (isset($result['destination'][$forwarderid]) && $result['email'] != $result['destination'][$forwarderid]) {
 				$forwarder = $result['destination'][$forwarderid];
 
-				if (isset($_POST['send']) && $_POST['send'] == 'send') {
+				if (Request::post('send') == 'send') {
 					try {
-						EmailForwarders::getLocal($userinfo, $_POST)->delete();
+						EmailForwarders::getLocal($userinfo, Request::postAll())->delete();
 					} catch (Exception $e) {
 						Response::dynamicError($e->getMessage());
 					}
diff --git a/customer_extras.php b/customer_extras.php
index b7e91e33..16cb4f9d 100644
--- a/customer_extras.php
+++ b/customer_extras.php
@@ -97,9 +97,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['username']) && $result['username'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					DirProtections::getLocal($userinfo, $_POST)->delete();
+					DirProtections::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -119,9 +119,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 			}
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				DirProtections::getLocal($userinfo, $_POST)->add();
+				DirProtections::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -149,9 +149,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['username']) && $result['username'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					DirProtections::getLocal($userinfo, $_POST)->update();
+					DirProtections::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -222,9 +222,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['customerid']) && $result['customerid'] != '' && $result['customerid'] == $userinfo['customerid']) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					DirOptions::getLocal($userinfo, $_POST)->delete();
+					DirOptions::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -240,9 +240,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 			}
 		}
 	} elseif ($action == 'add') {
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			try {
-				DirOptions::getLocal($userinfo, $_POST)->add();
+				DirOptions::getLocal($userinfo, Request::postAll())->add();
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -271,9 +271,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 		$result = json_decode($json_result, true)['data'];
 
 		if ((isset($result['customerid'])) && ($result['customerid'] != '') && ($result['customerid'] == $userinfo['customerid'])) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					DirOptions::getLocal($userinfo, $_POST)->update();
+					DirOptions::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -306,10 +306,10 @@ if ($page == 'overview' || $page == 'htpasswds') {
 
 	if (Settings::Get('system.exportenabled') == 1) {
 		if ($action == 'abort') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				$log->logAction(FroxlorLogger::USR_ACTION, LOG_NOTICE, "customer_extras::export - aborted scheduled data export job");
 				try {
-					DataDump::getLocal($userinfo, $_POST)->delete();
+					DataDump::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -336,9 +336,9 @@ if ($page == 'overview' || $page == 'htpasswds') {
 				Response::dynamicError($e->getMessage());
 			}
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					DataDump::getLocal($userinfo, $_POST)->add();
+					DataDump::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/customer_ftp.php b/customer_ftp.php
index 05521405..234929d5 100644
--- a/customer_ftp.php
+++ b/customer_ftp.php
@@ -87,9 +87,9 @@ if ($page == 'overview' || $page == 'accounts') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['username']) && $result['username'] != $userinfo['loginname']) {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Ftps::getLocal($userinfo, $_POST)->delete();
+					Ftps::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -108,9 +108,9 @@ if ($page == 'overview' || $page == 'accounts') {
 		}
 	} elseif ($action == 'add') {
 		if ($userinfo['ftps_used'] < $userinfo['ftps'] || $userinfo['ftps'] == '-1') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Ftps::getLocal($userinfo, $_POST)->add();
+					Ftps::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -164,9 +164,9 @@ if ($page == 'overview' || $page == 'accounts') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['username']) && $result['username'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Ftps::getLocal($userinfo, $_POST)->update();
+					Ftps::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
diff --git a/customer_index.php b/customer_index.php
index 70cb2ae3..1e369090 100644
--- a/customer_index.php
+++ b/customer_index.php
@@ -38,6 +38,7 @@ use Froxlor\Settings;
 use Froxlor\System\Cronjob;
 use Froxlor\System\Crypt;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 use Froxlor\Validate\Validate;
 
@@ -141,16 +142,16 @@ if ($page == 'overview') {
 	$languages = Language::getLanguages();
 
 	if (!empty($_POST)) {
-		if ($_POST['send'] == 'changepassword') {
-			$old_password = Validate::validate($_POST['old_password'], 'old password');
+		if (Request::post('send') == 'changepassword') {
+			$old_password = Validate::validate(Request::post('old_password'), 'old password');
 
 			if (!Crypt::validatePasswordLogin($userinfo, $old_password, TABLE_PANEL_CUSTOMERS, 'customerid')) {
 				Response::standardError('oldpasswordnotcorrect');
 			}
 
 			try {
-				$new_password = Crypt::validatePassword($_POST['new_password'], 'new password');
-				$new_password_confirm = Crypt::validatePassword($_POST['new_password_confirm'], 'new password confirm');
+				$new_password = Crypt::validatePassword(Request::post('new_password'), 'new password');
+				$new_password_confirm = Crypt::validatePassword(Request::post('new_password_confirm'), 'new password confirm');
 			} catch (Exception $e) {
 				Response::dynamicError($e->getMessage());
 			}
@@ -185,7 +186,7 @@ if ($page == 'overview') {
 				$log->logAction(FroxlorLogger::USR_ACTION, LOG_NOTICE, 'changed password');
 
 				// Update ftp password
-				if (isset($_POST['change_main_ftp']) && $_POST['change_main_ftp'] == 'true') {
+				if (Request::post('change_main_ftp') == 'true') {
 					$cryptPassword = Crypt::makeCryptPassword($new_password);
 					$stmt = Database::prepare("UPDATE `" . TABLE_FTP_USERS . "`
 					SET `password` = :password
@@ -201,7 +202,7 @@ if ($page == 'overview') {
 				}
 
 				// Update statistics password
-				if (isset($_POST['change_stats']) && $_POST['change_stats'] == 'true') {
+				if (Request::post('change_stats') == 'true') {
 					$new_stats_password = Crypt::makeCryptPassword($new_password, true);
 
 					$stmt = Database::prepare("UPDATE `" . TABLE_PANEL_HTPASSWDS . "`
@@ -218,7 +219,7 @@ if ($page == 'overview') {
 				}
 
 				// Update global myqsl user password
-				if ($userinfo['mysqls'] != 0 && isset($_POST['change_global_mysql']) && $_POST['change_global_mysql'] == 'true') {
+				if ($userinfo['mysqls'] != 0 && Request::post('change_global_mysql') == 'true') {
 					$allowed_mysqlservers = json_decode($userinfo['allowed_mysqlserver'] ?? '[]', true);
 					foreach ($allowed_mysqlservers as $dbserver) {
 						// require privileged access for target db-server
@@ -235,9 +236,9 @@ if ($page == 'overview') {
 
 				Response::redirectTo($filename);
 			}
-		} elseif ($_POST['send'] == 'changetheme') {
+		} elseif (Request::post('send') == 'changetheme') {
 			if (Settings::Get('panel.allow_theme_change_customer') == 1) {
-				$theme = Validate::validate($_POST['theme'], 'theme');
+				$theme = Validate::validate(Request::post('theme'), 'theme');
 				try {
 					Customers::getLocal($userinfo, [
 						'id' => $userinfo['customerid'],
@@ -250,8 +251,8 @@ if ($page == 'overview') {
 				$log->logAction(FroxlorLogger::USR_ACTION, LOG_NOTICE, "changed default theme to '" . $theme . "'");
 			}
 			Response::redirectTo($filename);
-		} elseif ($_POST['send'] == 'changelanguage') {
-			$def_language = Validate::validate($_POST['def_language'], 'default language');
+		} elseif (Request::post('send') == 'changelanguage') {
+			$def_language = Validate::validate(Request::post('def_language'), 'default language');
 			if (isset($languages[$def_language])) {
 				try {
 					Customers::getLocal($userinfo, [
diff --git a/customer_mysql.php b/customer_mysql.php
index df044a64..b8bdffd0 100644
--- a/customer_mysql.php
+++ b/customer_mysql.php
@@ -123,9 +123,9 @@ if ($page == 'overview' || $page == 'mysqls') {
 				$result['dbserver'] = 0;
 			}
 
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Mysqls::getLocal($userinfo, $_POST)->delete();
+					Mysqls::getLocal($userinfo, Request::postAll())->delete();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -146,9 +146,9 @@ if ($page == 'overview' || $page == 'mysqls') {
 		}
 	} elseif ($action == 'add') {
 		if ($userinfo['mysqls_used'] < $userinfo['mysqls'] || $userinfo['mysqls'] == '-1') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					Mysqls::getLocal($userinfo, $_POST)->add();
+					Mysqls::getLocal($userinfo, Request::postAll())->add();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -186,9 +186,9 @@ if ($page == 'overview' || $page == 'mysqls') {
 		$result = json_decode($json_result, true)['data'];
 
 		if (isset($result['databasename']) && $result['databasename'] != '') {
-			if (isset($_POST['send']) && $_POST['send'] == 'send') {
+			if (Request::post('send') == 'send') {
 				try {
-					$json_result = Mysqls::getLocal($userinfo, $_POST)->update();
+					$json_result = Mysqls::getLocal($userinfo, Request::postAll())->update();
 				} catch (Exception $e) {
 					Response::dynamicError($e->getMessage());
 				}
@@ -223,9 +223,9 @@ if ($page == 'overview' || $page == 'mysqls') {
 			Response::dynamicError('No permission');
 		}
 
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 
-			$new_password = Crypt::validatePassword($_POST['mysql_password']);
+			$new_password = Crypt::validatePassword(Request::post('mysql_password'));
 			foreach ($allowed_mysqlservers as $dbserver) {
 				// require privileged access for target db-server
 				Database::needRoot(true, $dbserver, false);
diff --git a/dns_editor.php b/dns_editor.php
index 9d2e41bb..6d3d9c52 100644
--- a/dns_editor.php
+++ b/dns_editor.php
@@ -30,6 +30,7 @@ if (!defined('AREA')) {
 
 use Froxlor\Api\Commands\DomainZones;
 use Froxlor\Dns\Dns;
+use Froxlor\Settings;
 use Froxlor\UI\Collection;
 use Froxlor\UI\HTML;
 use Froxlor\UI\Listing;
@@ -42,11 +43,11 @@ use Froxlor\UI\Response;
 
 $domain_id = (int)Request::any('domain_id');
 
-$record = isset($_POST['dns_record']) ? trim($_POST['dns_record']) : null;
-$type = isset($_POST['dns_type']) ? $_POST['dns_type'] : 'A';
-$prio = isset($_POST['dns_mxp']) ? (int)$_POST['dns_mxp'] : null;
-$content = isset($_POST['dns_content']) ? trim($_POST['dns_content']) : null;
-$ttl = isset($_POST['dns_ttl']) ? (int)$_POST['dns_ttl'] : 18000;
+$record = Request::post('dns_record', null);
+$type = Request::post('dns_type', 'A');
+$prio = Request::post('dns_mxp');
+$content = Request::post('dns_content');
+$ttl = (int)Request::post('dns_ttl', Settings::get('system.defaultttl'));
 
 // get domain-name
 $domain = Dns::getAllowedDomainEntry($domain_id, AREA, $userinfo);
@@ -82,9 +83,9 @@ if ($action == 'add_record' && !empty($_POST)) {
 		'page' => $page,
 		'domain_id' => $domain_id
 	]);
-} elseif (isset($_POST['send']) && $_POST['send'] == 'send' && $action == 'deletesure' && !empty($_POST)) {
-	$entry_id = isset($_POST['id']) ? (int)$_POST['id'] : 0;
-	$domain_id = isset($_POST['domain_id']) ? (int)$_POST['domain_id'] : 0;
+} elseif (Request::post('send') == 'send' && $action == 'deletesure' && !empty($_POST)) {
+	$entry_id = (int)Request::post('id', 0);
+	$domain_id = (int)Request::post('domain_id', 0);
 	// remove entry
 	if ($entry_id > 0 && $domain_id > 0) {
 		try {
diff --git a/error_report.php b/error_report.php
index 0f234745..6e0c5813 100644
--- a/error_report.php
+++ b/error_report.php
@@ -77,7 +77,7 @@ if (!empty($errid)) {
 		$mail_html = nl2br($mail_body);
 
 		// send actual report to dev-team
-		if (isset($_POST['send']) && $_POST['send'] == 'send') {
+		if (Request::post('send') == 'send') {
 			// send mail and say thanks
 			$_mailerror = false;
 			try {
diff --git a/index.php b/index.php
index 743bfe71..34599367 100644
--- a/index.php
+++ b/index.php
@@ -71,7 +71,7 @@ if ($action == '2fa_entercode') {
 		Response::redirectTo('index.php');
 		exit();
 	}
-	$code = isset($_POST['2fa_code']) ? $_POST['2fa_code'] : null;
+	$code = Request::post('2fa_code');
 	// verify entered code
 	$tfa = new FroxlorTwoFactorAuth('Froxlor ' . Settings::Get('system.hostname'));
 	// get user-data
@@ -162,8 +162,8 @@ if ($action == '2fa_entercode') {
 	exit();
 } elseif ($action == 'login') {
 	if (!empty($_POST)) {
-		$loginname = Validate::validate($_POST['loginname'], 'loginname');
-		$password = Validate::validate($_POST['password'], 'password');
+		$loginname = Validate::validate(Request::post('loginname'), 'loginname');
+		$password = Validate::validate(Request::post('password'), 'password');
 
 		$select_additional = '';
 		if (Settings::Get('panel.db_version') >= 202312230) {
@@ -485,8 +485,8 @@ if ($action == 'forgotpwd') {
 	$message = '';
 
 	if (!empty($_POST)) {
-		$loginname = Validate::validate($_POST['loginname'], 'loginname');
-		$email = Validate::validateEmail($_POST['loginemail']);
+		$loginname = Validate::validate(Request::post('loginname'), 'loginname');
+		$email = Validate::validateEmail(Request::post('loginemail'));
 		$result_stmt = Database::prepare("SELECT `adminid`, `customerid`, `customernumber`, `firstname`, `name`, `company`, `email`, `loginname`, `def_language`, `deactivated` FROM `" . TABLE_PANEL_CUSTOMERS . "`
 			WHERE `loginname`= :loginname
 			AND `email`= :email");
@@ -700,8 +700,8 @@ if ($action == 'resetpwd') {
 
 				if ($result !== false) {
 					try {
-						$new_password = Crypt::validatePassword($_POST['new_password'], true);
-						$new_password_confirm = Crypt::validatePassword($_POST['new_password_confirm'], true);
+						$new_password = Crypt::validatePassword(Request::post('new_password'), true);
+						$new_password_confirm = Crypt::validatePassword(Request::post('new_password_confirm'), true);
 					} catch (Exception $e) {
 						$message = $e->getMessage();
 					}
diff --git a/install/updates/froxlor/update_2.1.inc.php b/install/updates/froxlor/update_2.1.inc.php
index 3b982ea0..b7b55d58 100644
--- a/install/updates/froxlor/update_2.1.inc.php
+++ b/install/updates/froxlor/update_2.1.inc.php
@@ -247,3 +247,8 @@ if (Froxlor::isFroxlorVersion('2.1.7')) {
 	Update::showUpdateStep("Updating from 2.1.7 to 2.1.8", false);
 	Froxlor::updateToVersion('2.1.8');
 }
+
+if (Froxlor::isFroxlorVersion('2.1.8')) {
+	Update::showUpdateStep("Updating from 2.1.8 to 2.1.9", false);
+	Froxlor::updateToVersion('2.1.9');
+}
diff --git a/install/updates/froxlor/update_2.2.inc.php b/install/updates/froxlor/update_2.2.inc.php
index f81f127b..a94c714e 100644
--- a/install/updates/froxlor/update_2.2.inc.php
+++ b/install/updates/froxlor/update_2.2.inc.php
@@ -35,7 +35,7 @@ if (!defined('_CRON_UPDATE')) {
 	}
 }
 
-if (Froxlor::isFroxlorVersion('2.1.8')) {
+if (Froxlor::isFroxlorVersion('2.1.9')) {
 	Update::showUpdateStep("Enhancing virtual email table");
 	Database::query("ALTER TABLE `" . TABLE_MAIL_VIRTUAL . "` ADD `spam_tag_level` float(4,1) NOT NULL DEFAULT 7.0;");
 	Database::query("ALTER TABLE `" . TABLE_MAIL_VIRTUAL . "` ADD `spam_kill_level` float(4,1) NOT NULL DEFAULT 14.0;");
diff --git a/lib/Froxlor/Api/Commands/DomainZones.php b/lib/Froxlor/Api/Commands/DomainZones.php
index eebe6b8d..4a3020a1 100644
--- a/lib/Froxlor/Api/Commands/DomainZones.php
+++ b/lib/Froxlor/Api/Commands/DomainZones.php
@@ -115,7 +115,7 @@ class DomainZones extends ApiCommand implements ResourceEntity
 
 		// validation
 		$errors = [];
-		if (empty($record)) {
+		if (empty(trim($record))) {
 			$record = "@";
 		}
 
diff --git a/lib/Froxlor/Cli/UpdateCommand.php b/lib/Froxlor/Cli/UpdateCommand.php
index d7a255eb..bca38420 100644
--- a/lib/Froxlor/Cli/UpdateCommand.php
+++ b/lib/Froxlor/Cli/UpdateCommand.php
@@ -58,6 +58,7 @@ final class UpdateCommand extends CliCommand
 		if ($input->getOption('database')) {
 			$result = $this->validateRequirements($output, true);
 			if ($result == self::SUCCESS) {
+				require Froxlor::getInstallDir() . '/lib/functions.php';
 				if (Froxlor::hasUpdates() || Froxlor::hasDbUpdates()) {
 					$output->writeln('<info>' . lng('updates.dbupdate_required') . '</>');
 					if ($input->getOption('check-only')) {
diff --git a/lib/Froxlor/Cron/Traffic/ReportsCron.php b/lib/Froxlor/Cron/Traffic/ReportsCron.php
index 01828c1d..cd8babaf 100644
--- a/lib/Froxlor/Cron/Traffic/ReportsCron.php
+++ b/lib/Froxlor/Cron/Traffic/ReportsCron.php
@@ -211,7 +211,7 @@ class ReportsCron extends FroxlorCron
 					$_mailerror = false;
 					$mailerr_msg = "";
 					try {
-						$mail->SetFrom($row['email'], $row['name']);
+						$mail->SetFrom(Settings::Get('panel.adminmail'), Settings::Get('panel.adminmail_defname'));
 						$mail->Subject = $mail_subject;
 						$mail->AltBody = $mail_body;
 						$mail->MsgHTML(nl2br($mail_body));
@@ -297,7 +297,7 @@ class ReportsCron extends FroxlorCron
 					$_mailerror = false;
 					$mailerr_msg = "";
 					try {
-						$mail->SetFrom($row['email'], $row['name']);
+						$mail->SetFrom(Settings::Get('panel.adminmail'), Settings::Get('panel.adminmail_defname'));
 						$mail->Subject = $mail_subject;
 						$mail->Body = $mail_body;
 						$mail->MsgHTML(nl2br($mail_body));
@@ -472,7 +472,7 @@ class ReportsCron extends FroxlorCron
 					$_mailerror = false;
 					$mailerr_msg = "";
 					try {
-						$mail->SetFrom($row['email'], $row['name']);
+						$mail->SetFrom(Settings::Get('panel.adminmail'), Settings::Get('panel.adminmail_defname'));
 						$mail->Subject = $mail_subject;
 						$mail->AltBody = $mail_body;
 						$mail->MsgHTML(nl2br($mail_body));
diff --git a/lib/Froxlor/PhpHelper.php b/lib/Froxlor/PhpHelper.php
index 9a7243e1..77c18993 100644
--- a/lib/Froxlor/PhpHelper.php
+++ b/lib/Froxlor/PhpHelper.php
@@ -417,6 +417,9 @@ class PhpHelper
 			'admin_pass',
 			'admin_pass_confirm',
 			'panel_password_special_char',
+			'old_password',
+			'new_password',
+			'new_password_confirm',
 		];
 		if (!empty($global)) {
 			$tmp = $global;
diff --git a/lib/Froxlor/Settings/Store.php b/lib/Froxlor/Settings/Store.php
index 9b82ca0a..be5f2cb9 100644
--- a/lib/Froxlor/Settings/Store.php
+++ b/lib/Froxlor/Settings/Store.php
@@ -36,6 +36,7 @@ use Froxlor\PhpHelper;
 use Froxlor\Settings;
 use Froxlor\System\Cronjob;
 use Froxlor\System\IPTools;
+use Froxlor\UI\Request;
 use Froxlor\Validate\Validate;
 use PDO;
 
@@ -465,7 +466,7 @@ class Store
 			}
 
 			// Delete file?
-			if ($fielddata['value'] !== "" && array_key_exists($fieldname . '_delete', $_POST) && $_POST[$fieldname . '_delete']) {
+			if ($fielddata['value'] !== "" && array_key_exists($fieldname . '_delete', $_POST) && Request::post($fieldname . '_delete')) {
 				@unlink(Froxlor::getInstallDir() . '/' . explode('?', $fielddata['value'], 2)[0]);
 				$save_to = '';
 			}
diff --git a/lib/Froxlor/UI/Request.php b/lib/Froxlor/UI/Request.php
index e053e8b1..8817ca93 100644
--- a/lib/Froxlor/UI/Request.php
+++ b/lib/Froxlor/UI/Request.php
@@ -30,14 +30,16 @@ use voku\helper\AntiXSS;
 
 class Request
 {
+	private static $cleaned = false;
+
 	/**
 	 * Get key from current $_GET or $_POST request.
 	 *
 	 * @param $key
-	 * @param string|null $default
+	 * @param mixed|null $default
 	 * @return mixed|string|null
 	 */
-	public static function any($key, string $default = null)
+	public static function any($key, $default = null)
 	{
 		self::cleanAll();
 
@@ -48,10 +50,10 @@ class Request
 	 * Get key from current $_GET request.
 	 *
 	 * @param $key
-	 * @param string|null $default
+	 * @param mixed|null $default
 	 * @return mixed|string|null
 	 */
-	public static function get($key, string $default = null)
+	public static function get($key, $default = null)
 	{
 		self::cleanAll();
 
@@ -62,37 +64,53 @@ class Request
 	 * Get key from current $_POST request.
 	 *
 	 * @param $key
-	 * @param string|null $default
+	 * @param mixed|null $default
 	 * @return mixed|string|null
 	 */
-	public static function post($key, string $default = null)
+	public static function post($key, $default = null)
 	{
 		self::cleanAll();
 
 		return $_POST[$key] ?? $default;
 	}
 
+	/**
+	 * return complete $_POST array
+	 *
+	 * @return array
+	 */
+	public static function postAll()
+	{
+		self::cleanAll();
+
+		return $_POST ?? [];
+	}
+
 	/**
 	 * Check for xss attempts and clean important globals and
 	 * unsetting every variable registered in $_REQUEST and as variable itself
 	 */
 	public static function cleanAll()
 	{
-		foreach ($_REQUEST as $key => $value) {
-			if (isset($$key)) {
-				unset($$key);
+		if (!self::$cleaned) {
+			foreach ($_REQUEST as $key => $value) {
+				if (isset($$key)) {
+					unset($$key);
+				}
 			}
+			unset($value);
+
+			$antiXss = new AntiXSS();
+
+			// check $_GET
+			PhpHelper::cleanGlobal($_GET, $antiXss);
+			// check $_POST
+			PhpHelper::cleanGlobal($_POST, $antiXss);
+			// check $_COOKIE
+			PhpHelper::cleanGlobal($_COOKIE, $antiXss);
+
+			self::$cleaned = true;
 		}
-		unset($value);
-
-		$antiXss = new AntiXSS();
-
-		// check $_GET
-		PhpHelper::cleanGlobal($_GET, $antiXss);
-		// check $_POST
-		PhpHelper::cleanGlobal($_POST, $antiXss);
-		// check $_COOKIE
-		PhpHelper::cleanGlobal($_COOKIE, $antiXss);
 	}
 
 	/**
diff --git a/lib/Froxlor/Validate/Check.php b/lib/Froxlor/Validate/Check.php
index 2d5229b1..70c3c9f5 100644
--- a/lib/Froxlor/Validate/Check.php
+++ b/lib/Froxlor/Validate/Check.php
@@ -28,6 +28,7 @@ namespace Froxlor\Validate;
 use Froxlor\Database\Database;
 use Froxlor\FileDir;
 use Froxlor\Settings;
+use Froxlor\UI\Request;
 
 class Check
 {
@@ -73,7 +74,7 @@ class Check
 		// interface is to be enabled
 		if ((int)$newfieldvalue == 1) {
 			// check for POST value of the other field == 1 (active)
-			if (isset($_POST[$check_array[$fieldname]['other_post_field']]) && (int)$_POST[$check_array[$fieldname]['other_post_field']] == 1) {
+			if ((int)Request::post($check_array[$fieldname]['other_post_field'], 0) == 1) {
 				// the other interface is activated already and STAYS activated
 				if ((int)Settings::Get($check_array[$fieldname]['other_enabled']) == 1) {
 					$returnvalue = [
@@ -83,8 +84,12 @@ class Check
 				} else {
 					// fcgid is being validated before fpm -> "ask" fpm about its state
 					if ($fieldname == 'system_mod_fcgid_enabled') {
-						$returnvalue = self::checkFcgidPhpFpm('system_phpfpm_enabled', null,
-							$check_array[$fieldname]['other_post_field'], null);
+						$returnvalue = self::checkFcgidPhpFpm(
+							'system_phpfpm_enabled',
+							null,
+							$check_array[$fieldname]['other_post_field'],
+							null
+						);
 					} else {
 						// not, bot are nogo
 						$returnvalue = $returnvalue = [
@@ -117,8 +122,16 @@ class Check
 		$mysql_access_host_array = array_unique(array_map('trim', explode(',', $newfieldvalue)));
 
 		foreach ($mysql_access_host_array as $host_entry) {
-			if (Validate::validate_ip2($host_entry, true, 'invalidip', true, true, true, true,
-					false) == false && Validate::validateDomain($host_entry) == false && Validate::validateLocalHostname($host_entry) == false && $host_entry != '%') {
+			if (Validate::validate_ip2(
+					$host_entry,
+					true,
+					'invalidip',
+					true,
+					true,
+					true,
+					true,
+					false
+				) == false && Validate::validateDomain($host_entry) == false && Validate::validateLocalHostname($host_entry) == false && $host_entry != '%') {
 				return [
 					self::FORMFIELDS_PLAUSIBILITY_CHECK_ERROR,
 					'invalidmysqlhost',
@@ -204,8 +217,11 @@ class Check
 			}
 
 			// neither dir can be within the other nor can they be equal
-			if (substr($newdir, 0, strlen($cdir)) == $cdir || substr($cdir, 0,
-					strlen($newdir)) == $newdir || $newdir == $cdir) {
+			if (substr($newdir, 0, strlen($cdir)) == $cdir || substr(
+					$cdir,
+					0,
+					strlen($newdir)
+				) == $newdir || $newdir == $cdir) {
 				$returnvalue = [
 					self::FORMFIELDS_PLAUSIBILITY_CHECK_ERROR,
 					'fcgidpathcannotbeincustomerdoc'
@@ -264,8 +280,11 @@ class Check
 		}
 
 		$returnvalue = [];
-		if (Validate::validateUsername($newfieldvalue, Settings::Get('panel.unix_names'),
-				Database::getSqlUsernameLength() - strlen($allnewfieldvalues['customer_mysqlprefix'])) === true) {
+		if (Validate::validateUsername(
+				$newfieldvalue,
+				Settings::Get('panel.unix_names'),
+				Database::getSqlUsernameLength() - strlen($allnewfieldvalues['customer_mysqlprefix'])
+			) === true) {
 			$returnvalue = [
 				self::FORMFIELDS_PLAUSIBILITY_CHECK_OK
 			];
@@ -330,7 +349,7 @@ class Check
 			];
 		}
 		// check if the pgp public key is a valid key
-		putenv('GNUPGHOME='.sys_get_temp_dir());
+		putenv('GNUPGHOME=' . sys_get_temp_dir());
 		if (gnupg_import(gnupg_init(), $newfieldvalue) === false) {
 			return [
 				self::FORMFIELDS_PLAUSIBILITY_CHECK_ERROR,
diff --git a/lib/configfiles/noble.xml b/lib/configfiles/noble.xml
index 8a583a7c..479ce504 100644
--- a/lib/configfiles/noble.xml
+++ b/lib/configfiles/noble.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <froxlor>
-	<distribution name="Ubuntu" codename="noble"
+	<distribution name="Ubuntu" codename="Noble"
 		version="24.04" defaulteditor="/bin/nano">
 		<!-- OS defaults to be loaded on installation -->
 		<defaults>
diff --git a/lib/init.php b/lib/init.php
index 4583f681..c4cc5bdc 100644
--- a/lib/init.php
+++ b/lib/init.php
@@ -361,7 +361,7 @@ if (CurrentUser::hasSession()) {
 	UI::twig()->addGlobal('csrf_token', $csrf_token);
 	// check if csrf token is valid
 	if (in_array($_SERVER['REQUEST_METHOD'], ['POST', 'PUT', 'PATCH', 'DELETE'])) {
-		$current_token = $_POST['csrf_token'] ?? $_SERVER['HTTP_X_CSRF_TOKEN'] ?? null;
+		$current_token = Request::post('csrf_token', $_SERVER['HTTP_X_CSRF_TOKEN'] ?? null);
 		if ($current_token != CurrentUser::getField('csrf_token')) {
 			http_response_code(403);
 			Response::dynamicError('CSRF validation failed');
diff --git a/ssl_certificates.php b/ssl_certificates.php
index bd917e68..3b73f3de 100644
--- a/ssl_certificates.php
+++ b/ssl_certificates.php
@@ -55,7 +55,7 @@ if ($action == 'delete') {
 		'section' => 'domains',
 		'page' => $page
 	]);
-} elseif (isset($_POST['send']) && $_POST['send'] == 'send' && $action == 'deletesure' && $id > 0) {
+} elseif (Request::post('send') == 'send' && $action == 'deletesure' && $id > 0) {
 	try {
 		$json_result = Certificates::getLocal($userinfo, [
 			'id' => $id
diff --git a/ssl_editor.php b/ssl_editor.php
index d4b7bab3..b0d1c770 100644
--- a/ssl_editor.php
+++ b/ssl_editor.php
@@ -33,6 +33,7 @@ use Froxlor\Api\Commands\SubDomains;
 use Froxlor\Database\Database;
 use Froxlor\PhpHelper;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 
 // This file is being included in admin_domains and customer_domains
@@ -49,13 +50,13 @@ if ($action == '' || $action == 'view') {
 	}
 	$result_domain = json_decode($json_result, true)['data'];
 
-	if (isset($_POST['send']) && $_POST['send'] == 'send') {
-		$do_insert = isset($_POST['do_insert']) && ((($_POST['do_insert'] == 1) ? true : false));
+	if (Request::post('send') == 'send') {
+		$do_insert = Request::post('do_insert', 0) == 1;
 		try {
 			if ($do_insert) {
-				Certificates::getLocal($userinfo, $_POST)->add();
+				Certificates::getLocal($userinfo, Request::postAll())->add();
 			} else {
-				Certificates::getLocal($userinfo, $_POST)->update();
+				Certificates::getLocal($userinfo, Request::postAll())->update();
 			}
 		} catch (Exception $e) {
 			Response::dynamicError($e->getMessage());