diff --git a/apps/assets/migrations/0034_auto_20190705_1348.py b/apps/assets/migrations/0034_auto_20190705_1348.py
index 1a1db770a..161ce2b30 100644
--- a/apps/assets/migrations/0034_auto_20190705_1348.py
+++ b/apps/assets/migrations/0034_auto_20190705_1348.py
@@ -32,7 +32,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='asset',
             name='protocols',
-            field=CharField(blank=True, max_length=128, null=True, verbose_name='Protocols'),
+            field=CharField(blank=True, default='ssh/22', max_length=128, verbose_name='Protocols'),
         ),
         migrations.RunPython(migrate_assets_protocol),
         migrations.DeleteModel(name='Protocol'),
diff --git a/apps/assets/models/asset.py b/apps/assets/models/asset.py
index 9894bc3a9..bbf543fcb 100644
--- a/apps/assets/models/asset.py
+++ b/apps/assets/models/asset.py
@@ -116,7 +116,7 @@ class Asset(ProtocolsMixin, OrgModelMixin):
                                 verbose_name=_('Protocol'))
     port = models.IntegerField(default=22, verbose_name=_('Port'))
 
-    protocols = models.CharField(max_length=128, null=True, blank=True, verbose_name=_("Protocols"))
+    protocols = models.CharField(max_length=128, default='ssh/22', blank=True, verbose_name=_("Protocols"))
     platform = models.CharField(max_length=128, choices=PLATFORM_CHOICES, default='Linux', verbose_name=_('Platform'))
     domain = models.ForeignKey("assets.Domain", null=True, blank=True, related_name='assets', verbose_name=_("Domain"), on_delete=models.SET_NULL)
     nodes = models.ManyToManyField('assets.Node', default=default_node, related_name='assets', verbose_name=_("Nodes"))
diff --git a/apps/perms/utils/asset_permission.py b/apps/perms/utils/asset_permission.py
index eb37455c2..4ce485d71 100644
--- a/apps/perms/utils/asset_permission.py
+++ b/apps/perms/utils/asset_permission.py
@@ -492,21 +492,14 @@ class AssetPermissionUtil(AssetPermissionCacheMixin):
         for node in nodes:
             pattern.add(r'^{0}$|^{0}:'.format(node.key))
         pattern = '|'.join(list(pattern))
-        print(self.object.username)
-        print(pattern)
-        print("Start get nodes assets")
-        clock1 = time.clock()
         if pattern:
             assets = Asset.objects.filter(nodes__key__regex=pattern) \
+                .prefetch_related('nodes')\
                 .only(*self.assets_only)\
                 .distinct()
-            # .prefetch_related('nodes')\
         else:
             assets = []
         assets = list(assets)
-        print("get nodes assets using: {}".format(time.clock() - clock1))
-        print(len(assets))
-        return []
         self.tree.add_assets_without_system_users(assets)
         assets = self.tree.get_assets()
         self._assets = assets