diff --git a/admin_opcacheinfo.php b/admin_opcacheinfo.php
index 443a11d107..c46c25349e 100644
--- a/admin_opcacheinfo.php
+++ b/admin_opcacheinfo.php
@@ -35,6 +35,7 @@
 use Froxlor\FroxlorLogger;
 use Froxlor\UI\HTML;
 use Froxlor\UI\Panel\UI;
+use Froxlor\UI\Request;
 use Froxlor\UI\Response;
 
 if ($action == 'reset' && function_exists('opcache_reset') && $userinfo['change_serversettings'] == '1') {
diff --git a/lib/Froxlor/Api/Commands/DomainZones.php b/lib/Froxlor/Api/Commands/DomainZones.php
index 4a3020a1e2..331051cfd1 100644
--- a/lib/Froxlor/Api/Commands/DomainZones.php
+++ b/lib/Froxlor/Api/Commands/DomainZones.php
@@ -227,7 +227,7 @@ public function add()
 				// remove it for checks
 				$content = substr($content, 0, -1);
 			}
-			if (!Validate::validateDomain($content)) {
+			if (!empty($content) && !Validate::validateDomain($content)) {
 				$errors[] = lng('error.dns_mx_needdom');
 			} else {
 				// check whether there is a CNAME-record for the same resource
@@ -244,6 +244,10 @@ public function add()
 			}
 			// append trailing dot (again)
 			$content .= '.';
+			// if content is only ".", the prio needs to be 0 which results in a "null mx" entry
+			if ($content == '.' && $prio != 0) {
+				$prio = 0;
+			}
 		} elseif ($type == 'NS') {
 			// check for trailing dot
 			if (substr($content, -1) == '.') {
diff --git a/lib/configfiles/bookworm.xml b/lib/configfiles/bookworm.xml
index 2e0c78a857..d0d2697b85 100644
--- a/lib/configfiles/bookworm.xml
+++ b/lib/configfiles/bookworm.xml
@@ -3093,7 +3093,7 @@ MaxLoginAttempts 3
 BanLog /var/log/proftpd/ban.log
 BanTable /etc/proftpd/ban.tab
 BanMessage "User %u was banned."
-BanOnEvent ClientConnectRate 5/00:00:02 12:00:00 "Stop connecting frequently"
+BanOnEvent ClientConnectRate 10/00:00:02 02:00:00 "Stop connecting frequently"
 BanOnEvent MaxLoginAttempts 3/00:30:00 12:00:00
 BanOnEvent AnonRejectPasswords 1/01:00:00 99:99:99
 BanControlsACLs all allow user root
diff --git a/lib/configfiles/bullseye.xml b/lib/configfiles/bullseye.xml
index 8a0e131f06..d9913f628a 100644
--- a/lib/configfiles/bullseye.xml
+++ b/lib/configfiles/bullseye.xml
@@ -4661,7 +4661,7 @@ MaxLoginAttempts 3
 BanLog /var/log/proftpd/ban.log
 BanTable /etc/proftpd/ban.tab
 BanMessage "User %u was banned."
-BanOnEvent ClientConnectRate 5/00:00:02 12:00:00 "Stop connecting frequently"
+BanOnEvent ClientConnectRate 10/00:00:02 02:00:00 "Stop connecting frequently"
 BanOnEvent MaxLoginAttempts 3/00:30:00 12:00:00
 BanOnEvent AnonRejectPasswords 1/01:00:00 99:99:99
 BanControlsACLs all allow user root
diff --git a/lib/configfiles/focal.xml b/lib/configfiles/focal.xml
index 90c47e6e30..7dc03c8219 100644
--- a/lib/configfiles/focal.xml
+++ b/lib/configfiles/focal.xml
@@ -3880,7 +3880,7 @@ MaxLoginAttempts 3
 BanLog /var/log/proftpd/ban.log
 BanTable /etc/proftpd/ban.tab
 BanMessage "User %u was banned."
-BanOnEvent ClientConnectRate 5/00:00:02 12:00:00 "Stop connecting frequently"
+BanOnEvent ClientConnectRate 10/00:00:02 02:00:00 "Stop connecting frequently"
 BanOnEvent MaxLoginAttempts 3/00:30:00 12:00:00
 BanOnEvent AnonRejectPasswords 1/01:00:00 99:99:99
 BanControlsACLs all allow user root
diff --git a/lib/configfiles/jammy.xml b/lib/configfiles/jammy.xml
index d7e4cd4975..3ba120b7d1 100644
--- a/lib/configfiles/jammy.xml
+++ b/lib/configfiles/jammy.xml
@@ -3872,7 +3872,7 @@ MaxLoginAttempts 3
 BanLog /var/log/proftpd/ban.log
 BanTable /etc/proftpd/ban.tab
 BanMessage "User %u was banned."
-BanOnEvent ClientConnectRate 5/00:00:02 12:00:00 "Stop connecting frequently"
+BanOnEvent ClientConnectRate 10/00:00:02 02:00:00 "Stop connecting frequently"
 BanOnEvent MaxLoginAttempts 3/00:30:00 12:00:00
 BanOnEvent AnonRejectPasswords 1/01:00:00 99:99:99
 BanControlsACLs all allow user root
diff --git a/lib/configfiles/noble.xml b/lib/configfiles/noble.xml
index f5a90212b2..08100a43a8 100644
--- a/lib/configfiles/noble.xml
+++ b/lib/configfiles/noble.xml
@@ -2547,7 +2547,7 @@ MaxLoginAttempts 3
 BanLog /var/log/proftpd/ban.log
 BanTable /etc/proftpd/ban.tab
 BanMessage "User %u was banned."
-BanOnEvent ClientConnectRate 5/00:00:02 12:00:00 "Stop connecting frequently"
+BanOnEvent ClientConnectRate 10/00:00:02 02:00:00 "Stop connecting frequently"
 BanOnEvent MaxLoginAttempts 3/00:30:00 12:00:00
 BanOnEvent AnonRejectPasswords 1/01:00:00 99:99:99
 BanControlsACLs all allow user root
diff --git a/lng/de.lng.php b/lng/de.lng.php
index 167cf8eebe..2f2c74dd90 100644
--- a/lng/de.lng.php
+++ b/lng/de.lng.php
@@ -1824,7 +1824,7 @@
 		],
 		'documentroot_use_default_value' => [
 			'title' => 'Verwende Domainnamen im Documentroot',
-			'description' => 'Wenn aktiviert wird dem standard Documentroot zusätzlich der Domain-Name angehängt.<br /><br />Beispiel:<br />/var/customers/customer_name/example.tld/<br />/var/customers/customer_name/subdomain.example.tld/',
+			'description' => 'Wenn aktiviert wird dem standard Documentroot zusätzlich der Domain-Name angehängt.<br /><br />Beispiel:<br />/var/customers/webs/customer_name/example.tld/<br />/var/customers/webs/customer_name/subdomain.example.tld/',
 		],
 		'panel_phpconfigs_hidesubdomains' => [
 			'title' => 'Verstecke Subdomains in PHP-Konfigurations-Übersicht',
diff --git a/lng/en.lng.php b/lng/en.lng.php
index d51a45064c..e784528eb0 100644
--- a/lng/en.lng.php
+++ b/lng/en.lng.php
@@ -1946,7 +1946,7 @@
 		],
 		'documentroot_use_default_value' => [
 			'title' => 'Use domain name as default value for DocumentRoot path',
-			'description' => 'If enabled and DocumentRoot path is empty, default value will be the (sub)domain name.<br /><br />Examples: <br />/var/customers/customer_name/example.com/<br />/var/customers/customer_name/subdomain.example.com/',
+			'description' => 'If enabled and DocumentRoot path is empty, default value will be the (sub)domain name.<br /><br />Examples: <br />/var/customers/webs/customer_name/example.com/<br />/var/customers/webs/customer_name/subdomain.example.com/',
 		],
 		'panel_phpconfigs_hidesubdomains' => [
 			'title' => 'Hide subdomains in PHP-configuration overview',