diff --git a/apps/assets/migrations/0100_auto_20220430_2126.py b/apps/assets/migrations/0100_auto_20220430_2126.py
index 17f6d6da1..78ede0501 100644
--- a/apps/assets/migrations/0100_auto_20220430_2126.py
+++ b/apps/assets/migrations/0100_auto_20220430_2126.py
@@ -32,8 +32,8 @@ class Migration(migrations.Migration):
         ),
         migrations.AddField(
             model_name='platform',
-            name='protocols_default',
-            field=models.JSONField(blank=True, default=list, max_length=128, verbose_name='Protocols default'),
+            name='protocols_enabled',
+            field=models.BooleanField(default=True, verbose_name='Protocols enabled'),
         ),
         migrations.AddField(
             model_name='platform',
diff --git a/apps/assets/migrations/0112_auto_20220819_1526.py b/apps/assets/migrations/0112_auto_20220819_1526.py
deleted file mode 100644
index 14e7d7765..000000000
--- a/apps/assets/migrations/0112_auto_20220819_1526.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# Generated by Django 3.2.13 on 2022-08-19 07:26
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('assets', '0111_auto_20220819_1523'),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name='platform',
-            name='protocols_default',
-        ),
-        migrations.AddField(
-            model_name='platform',
-            name='protocols_enabled',
-            field=models.BooleanField(default=True, verbose_name='Protocols enabled'),
-        ),
-    ]
diff --git a/apps/common/utils/common.py b/apps/common/utils/common.py
index 5b2180ec0..854f9f488 100644
--- a/apps/common/utils/common.py
+++ b/apps/common/utils/common.py
@@ -12,6 +12,7 @@ import ipaddress
 import psutil
 import platform
 import os
+import socket
 
 from django.conf import settings
 
@@ -365,3 +366,18 @@ def pretty_string(data: str, max_length=128, ellipsis_str='...'):
 
 def group_by_count(it, count):
     return [it[i:i+count] for i in range(0, len(it), count)]
+
+
+def test_ip_connectivity(host, port, timeout=0.5):
+    """
+    timeout: seconds
+    """
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.settimeout(timeout)
+    result = sock.connect_ex((host, int(port)))
+    sock.close()
+    if result == 0:
+        connectivity = True
+    else:
+        connectivity = False
+    return connectivity
diff --git a/apps/jumpserver/settings/_xpack.py b/apps/jumpserver/settings/_xpack.py
index 7a2f34c8d..9f4319a35 100644
--- a/apps/jumpserver/settings/_xpack.py
+++ b/apps/jumpserver/settings/_xpack.py
@@ -6,8 +6,7 @@ from .. import const
 from .base import INSTALLED_APPS, TEMPLATES
 
 XPACK_DIR = os.path.join(const.BASE_DIR, 'xpack')
-XPACK_ENABLED = False
-# XPACK_ENABLED = os.path.isdir(XPACK_DIR)
+XPACK_ENABLED = os.path.isdir(XPACK_DIR)
 XPACK_TEMPLATES_DIR = []
 XPACK_CONTEXT_PROCESSOR = []