.. _default-settings-appliance:

Automatically Setting Appliance Preferences
==================================

When a Genian NAC appliance is first registered, the administrator must change its preferences.
If multiple Network Sensors are to be registered, you can specify initial settings so that preferences are automatically applied when new appliances are registered.

#. Go to **System** in the top panel.
#. In the left **System** menu, select **System Initial Settings > Preferences**.
#. Enter the **setting values** for preferences.
#. Click the **Update** button.

.. note:: To change settings for individual appliances, proceed from **System > Select Appliance IP > Preferences tab**.

Security Settings
-----------

Allow Remote Access via SSH
'''''''''''''''''''''''''''''

Set two IPs that are allowed to access the CLI console via SSH. Typically, the administrator's endpoint IP is specified.

#. In **Security Settings**, enter the **IP Address** for **CLI Console Access IP** (e.g., 192.168.1.10).
#. Click **Update**.

Windows Update Proxy Settings
'''''''''''''''''''''''''''''''''

Configure the Network Sensor to download operating system update files. This feature operates only when a data disk is present on the Network Sensor; if there is no data disk, it will not function regardless of the settings.

#. Find **Operating System Update Proxy Service Settings**, locate **Usage**, and select **On** from the dropdown.
#. Select the **Target Network Group** to use the proxy service.
#. Click **Update**.

SNMP Agent Settings
'''''''''''''''''''''

Set whether to collect the Network Sensor's system information externally. The information provided includes basic system info (name, description, uptime, etc.), interface information, and detailed system info (CPU, Memory, disk).

#. Find **SNMP Agent Settings** and select **On** from the dropdown.
#. Enter the following:

   - **Username**
   - **Auth Password** (*SHA, minimum length – 8 characters*)
   - **Priv Password** data encryption (*AES, minimum length – 8 characters*)

#. Click **Update**.

Resource Warning
''''''''''''

Configure threshold monitoring for Network Sensor resources (data disk, memory, CPU, number of nodes). If resources are used beyond the threshold, an alarm can be sent to the administrator via audit logs.

#. Find the **Resource Warning** settings screen.
#. Enter the following:

   - **Data Disk** Log generation if data disk exceeds this setting (*Default is 90*)
   - **Memory** Log generation if memory exceeds this setting (*Default is 90*)
   - **CPU** Log generation if CPU exceeds this setting (*Default is 95*)

#. Click **Update**.

Date and Time
''''''''''''''

Set the timezone for the Network Sensor's operation. (Default is Asia, Seoul.)

#. Find the **Date and Time** settings screen.
#. In the timezone dropdown, select **Country** and then select the nearest **City**.`
#. Click **Update**.

Other Settings
''''''''''''

Configure the Network Sensor's debug log settings and the node's UP/DOWN status check method. For Network Sensors without a data disk, debug logs will always be saved to the Policy Server when enabled.

#. Find the **Other Settings** screen.
#. Select the **Default Character Set** from the dropdown.
#. Click **Update**.