diff --git a/apps/assets/const.py b/apps/assets/const.py
index 64a928f16..87f17b1af 100644
--- a/apps/assets/const.py
+++ b/apps/assets/const.py
@@ -93,6 +93,7 @@ class DatabaseTypes(PlatformMixin, models.TextChoices):
             meta[name] = {
                 'protocols_limit': [name]
             }
+        return meta
 
 
 class RemoteAppTypes(PlatformMixin, models.TextChoices):
diff --git a/apps/assets/migrations/0097_auto_20220407_1726.py b/apps/assets/migrations/0097_auto_20220407_1726.py
index 61d260458..bd08c3ad3 100644
--- a/apps/assets/migrations/0097_auto_20220407_1726.py
+++ b/apps/assets/migrations/0097_auto_20220407_1726.py
@@ -3,6 +3,14 @@
 from django.db import migrations, models
 
 
+def migrate_platform_type_to_lower(apps, *args):
+    platform_model = apps.get_model('assets', 'Platform')
+    platforms = platform_model.objects.all()
+    for p in platforms:
+        p.type = p.type.lower()
+        p.save()
+
+
 class Migration(migrations.Migration):
 
     dependencies = [
@@ -31,4 +39,5 @@ class Migration(migrations.Migration):
             name='protocol',
             field=models.CharField(choices=[('ssh', 'SSH'), ('rdp', 'RDP'), ('telnet', 'Telnet'), ('vnc', 'VNC'), ('mysql', 'MySQL'), ('mariadb', 'MariaDB'), ('oracle', 'Oracle'), ('postgresql', 'PostgreSQL'), ('sqlserver', 'SQLServer'), ('redis', 'Redis'), ('mongodb', 'MongoDB'), ('k8s', 'K8S')], default='ssh', max_length=16, verbose_name='Protocol'),
         ),
+        migrations.RunPython(migrate_platform_type_to_lower)
     ]
diff --git a/apps/assets/models/platform.py b/apps/assets/models/platform.py
index 04fcd3f68..186da3dd3 100644
--- a/apps/assets/models/platform.py
+++ b/apps/assets/models/platform.py
@@ -35,13 +35,20 @@ class Platform(models.Model):
         verbose_name=_("Admin user default")
     )
 
-    def get_type_meta(self):
-        meta = Category.platform_meta().get(self.category, {})
-        types = dict(AllTypes.category_types())[self.category]
-        type_meta = types.platform_meta().get(self.type, {})
+    @classmethod
+    def get_type_meta(cls, category, tp):
+        meta = Category.platform_meta().get(category, {})
+        types = dict(AllTypes.category_types()).get(category)
+        # if not types:
+        #     return {}
+        types_meta = types.platform_meta() or {}
+        type_meta = types_meta.get(tp, {})
         meta.update(type_meta)
         return meta
 
+    def get_meta(self):
+        return self.__class__.get_type_meta(self.category, self.type)
+
     @classmethod
     def default(cls):
         linux, created = cls.objects.get_or_create(
diff --git a/apps/assets/serializers/asset/common.py b/apps/assets/serializers/asset/common.py
index 2e4dd3fb9..883a1d0b8 100644
--- a/apps/assets/serializers/asset/common.py
+++ b/apps/assets/serializers/asset/common.py
@@ -14,11 +14,10 @@ __all__ = [
 
 
 class ProtocolField(serializers.RegexField):
-    protocols = '|'.join(dict(Asset.Protocol.choices).keys())
     default_error_messages = {
-        'invalid': _('Protocol format should {}/{}').format(protocols, '1-65535')
+        'invalid': _('Protocol format should {}/{}').format('protocol', '1-65535')
     }
-    regex = r'^(%s)/(\d{1,5})$' % protocols
+    regex = r'^(\w+)/(\d{1,5})$'
 
     def __init__(self, *args, **kwargs):
         super().__init__(self.regex, **kwargs)
@@ -43,18 +42,28 @@ def validate_duplicate_protocols(values):
 class ProtocolsField(serializers.ListField):
     default_validators = [validate_duplicate_protocols]
 
-    def __init__(self, *args, **kwargs):
+    def __init__(self, protocols=None, *args, **kwargs):
+        self.choices = []
+        self.set_protocols(protocols)
         kwargs['child'] = ProtocolField()
         kwargs['allow_null'] = True
         kwargs['allow_empty'] = True
         kwargs['min_length'] = 1
-        kwargs['max_length'] = 4
+        kwargs['max_length'] = 32
         super().__init__(*args, **kwargs)
 
+    def set_protocols(self, protocols):
+        if protocols is None:
+            protocols = []
+        self.choices = [(c, c) for c in protocols]
+        print("Chocies: ", self.choices)
+
     def to_representation(self, value):
         if not value:
             return []
-        return value.split(' ')
+        if isinstance(value, str):
+            return value.split(' ')
+        return value
 
 
 class AssetSerializer(CategoryDisplayMixin, OrgResourceModelSerializerMixin):
@@ -139,7 +148,7 @@ class AssetSerializer(CategoryDisplayMixin, OrgResourceModelSerializerMixin):
             validated_data["protocol"] = protocol[0]
             validated_data["port"] = int(protocol[1])
         if protocols_data:
-            validated_data["protocols"] = ' '.join(protocols_data)
+            validated_data["protocols"] = protocols_data
 
     def perform_nodes_display_create(self, instance, nodes_display):
         if not nodes_display:
diff --git a/apps/assets/serializers/platform.py b/apps/assets/serializers/platform.py
index 078edee03..44e8ebb88 100644
--- a/apps/assets/serializers/platform.py
+++ b/apps/assets/serializers/platform.py
@@ -3,7 +3,8 @@ from django.core.validators import RegexValidator
 from django.utils.translation import gettext_lazy as _
 
 from assets.models import Platform
-from assets.const import AllTypes
+from assets.serializers.asset import ProtocolsField
+from assets.const import Protocol
 from .mixin import CategoryDisplayMixin
 
 __all__ = ['PlatformSerializer']
@@ -11,6 +12,7 @@ __all__ = ['PlatformSerializer']
 
 class PlatformSerializer(CategoryDisplayMixin, serializers.ModelSerializer):
     meta = serializers.DictField(required=False, allow_null=True, label=_('Meta'))
+    protocols_default = ProtocolsField(label=_('Protocols'), required=False)
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -19,13 +21,43 @@ class PlatformSerializer(CategoryDisplayMixin, serializers.ModelSerializer):
         validators = self.fields['name'].validators
         if isinstance(validators[-1], RegexValidator):
             validators.pop()
+        self.set_platform_meta()
+
+    def set_platform_meta(self):
+        view = self.context.get('view')
+        if not view:
+            return
+        request = view.request
+
+        if isinstance(self.instance, Platform):
+            category = self.instance.category
+            tp = self.instance.type
+        else:
+            tp = request.query_params.get('type')
+            category = request.query_params.get('category')
+
+        print("Request: {}".format(self.context.get('request').method), category, tp)
+        if not all([tp, category]):
+            return
+        meta = Platform.get_type_meta(category, tp)
+        print("Platform meta: {}".format(meta))
+        protocols_default = self.fields['protocols_default']
+        limits = meta.get('protocols_limit', [])
+        default_ports = Protocol.default_ports()
+        protocols = []
+        for protocol in limits:
+            port = default_ports.get(protocol, 22)
+            protocols.append(f'{protocol}/{port}')
+        print("set ptocols: ", protocols)
+        protocols_default.set_protocols(protocols)
 
     class Meta:
         model = Platform
         fields_mini = ['id', 'name', 'internal']
         fields_small = fields_mini + [
             'meta', 'comment', 'charset',
-            'category', 'category_display', 'type', 'type_display',
+            'category', 'category_display',
+            'type', 'type_display',
         ]
         fields_fk = [
             'domain_enabled', 'domain_default',
diff --git a/apps/common/drf/metadata.py b/apps/common/drf/metadata.py
index 569854722..7e4d32527 100644
--- a/apps/common/drf/metadata.py
+++ b/apps/common/drf/metadata.py
@@ -33,6 +33,7 @@ class SimpleMetadataWithFilters(SimpleMetadata):
         """
         actions = {}
         view.raw_action = getattr(view, 'action', None)
+        print("Request in metadata: ", request.path, request.GET)
         for method in self.methods & set(view.allowed_methods):
             if hasattr(view, 'action_map'):
                 view.action = view.action_map.get(method.lower(), view.action)
@@ -80,14 +81,14 @@ class SimpleMetadataWithFilters(SimpleMetadata):
         elif getattr(field, 'fields', None):
             field_info['children'] = self.get_serializer_info(field)
 
-        if not isinstance(field, (serializers.RelatedField, serializers.ManyRelatedField)) \
-                and hasattr(field, 'choices'):
+        is_related_field = isinstance(field, (serializers.RelatedField, serializers.ManyRelatedField))
+        if not is_related_field and hasattr(field, 'choices'):
             field_info['choices'] = [
                 {
                     'value': choice_value,
                     'display_name': force_text(choice_name, strings_only=True)
                 }
-                for choice_value, choice_name in field.choices.items()
+                for choice_value, choice_name in dict(field.choices).items()
             ]
 
         return field_info