diff --git a/planetstack/core/migrations/0007_network_ports.py b/planetstack/core/migrations/0007_network_ports.py
new file mode 100644
index 0000000..8d1c7d4
--- /dev/null
+++ b/planetstack/core/migrations/0007_network_ports.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import core.models.network
+import timezones.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0006_auto_20141111_2314'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='network',
+            name='ports',
+            field=models.CharField(blank=True, max_length=1024, null=True, validators=[core.models.network.ValidateNatList]),
+        ),
+    ]