diff --git a/app/Filament/Admin/Resources/NodeResource/Pages/CreateNode.php b/app/Filament/Admin/Resources/NodeResource/Pages/CreateNode.php
index a5b7fcc72..302ac18cb 100644
--- a/app/Filament/Admin/Resources/NodeResource/Pages/CreateNode.php
+++ b/app/Filament/Admin/Resources/NodeResource/Pages/CreateNode.php
@@ -3,6 +3,7 @@
 namespace App\Filament\Admin\Resources\NodeResource\Pages;
 
 use App\Filament\Admin\Resources\NodeResource;
+use App\Models\Node;
 use Filament\Forms;
 use Filament\Forms\Components\Actions\Action;
 use Filament\Forms\Components\Grid;
@@ -44,7 +45,8 @@ class CreateNode extends CreateRecord
                                 ->required()
                                 ->autofocus()
                                 ->live(debounce: 1500)
-                                ->rule('prohibited', fn ($state) => is_ip($state) && request()->isSecure())
+                                ->rules(Node::getRulesForField('fqdn'))
+                                ->prohibited(fn ($state) => is_ip($state) && request()->isSecure())
                                 ->label(fn ($state) => is_ip($state) ? trans('admin/node.ip_address') : trans('admin/node.domain'))
                                 ->placeholder(fn ($state) => is_ip($state) ? '192.168.1.1' : 'node.example.com')
                                 ->helperText(function ($state) {
diff --git a/app/Filament/Admin/Resources/NodeResource/Pages/EditNode.php b/app/Filament/Admin/Resources/NodeResource/Pages/EditNode.php
index 98d7099b1..e05d14514 100644
--- a/app/Filament/Admin/Resources/NodeResource/Pages/EditNode.php
+++ b/app/Filament/Admin/Resources/NodeResource/Pages/EditNode.php
@@ -108,7 +108,8 @@ class EditNode extends EditRecord
                                 ->required()
                                 ->autofocus()
                                 ->live(debounce: 1500)
-                                ->rule('prohibited', fn ($state) => is_ip($state) && request()->isSecure())
+                                ->rules(Node::getRulesForField('fqdn'))
+                                ->prohibited(fn ($state) => is_ip($state) && request()->isSecure())
                                 ->label(fn ($state) => is_ip($state) ? trans('admin/node.ip_address') : trans('admin/node.domain'))
                                 ->placeholder(fn ($state) => is_ip($state) ? '192.168.1.1' : 'node.example.com')
                                 ->helperText(function ($state) {
diff --git a/app/Models/Node.php b/app/Models/Node.php
index 0dd86b672..1b1cf68a5 100644
--- a/app/Models/Node.php
+++ b/app/Models/Node.php
@@ -89,7 +89,7 @@ class Node extends Model implements Validatable
         'name' => ['required', 'string', 'min:1', 'max:100'],
         'description' => ['string', 'nullable'],
         'public' => ['boolean'],
-        'fqdn' => ['required', 'string'],
+        'fqdn' => ['required', 'string', 'notIn:0.0.0.0,127.0.0.1,localhost'],
         'scheme' => ['required', 'string', 'in:http,https'],
         'behind_proxy' => ['boolean'],
         'memory' => ['required', 'numeric', 'min:0'],