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AlienVault® USM Anywhere™

Microsoft Windows Firewall NXLog

When you configure Microsoft Windows Firewall to send log data through NXLog to USM Anywhere, you can use the Windows Firewall NXLog plugin to translate the raw log data into normalized events for analysis.

Device Details
Device vendor Microsoft
Device type Firewall
Connection type syslog
Vendor link https://technet.microsoft.com/en-us/library/ee806447(v=ocs.14).aspx

Integrating Windows Firewall and NXLog

Before you configure Windows Firewall with Advanced Security to send logs to USM Anywhere through NXLog, you must first enable logging in the program.

Enable Logging in Windows Firewall

To enable logging in Windows Firewall

  1. Open Windows Firewall with Advanced Security.
  2. In the Actions panel, click Properties.
  3. On the Domain Profile tab, click the Customize button in Logging.
  4. In the new window

    1. Keep the name as default.
    2. Increase the Size limit (KB) to 8192.
    3. Change both Log dropped packets and Log successful connections to Yes.

    Windows Firewall logging settings

  5. Click OK.

Configure NXLog

Before you configure the integration, you must have the IP Address of the USM AnywhereUSM Appliance Sensor.

To configure NXLog to send log data to USM Anywhere

Plugin Enablement

The Windows Firewall NXLog plugin will automatically process all messages when the raw message contains "SourceName":"WINDOWS-FW".

Available Plugin Fields

The following plugin fields are important attributes extracted from the syslog message. USM Anywhere reports use these fields, and you can also reference them when creating custom reports. In addition to reporting, the USM Anywhere correlation rules make use of these fields.

  • access_control_outcome

  • customfield_0

  • customfield_2

  • customfield_3

  • customfield_6

  • customfield_7

  • customheader_0

  • customheader_2

  • customheader_3

  • customheader_6

  • customheader_7

  • destination_address

  • destination_address_6

  • destination_port

  • device_direction

  • event_description

  • event_name

  • event_receipt_time

  • event_subcategory

  • plugin_device

  • plugin_device_type

  • source_address

  • source_address_6

  • source_port

  • transport_protocol

Troubleshooting

For troubleshooting, refer to the vendor documentation:

https://nxlog.co/docs/nxlog-ce/nxlog-reference-manual.html#forwarding

https://nxlog.co/docs/nxlog-ce/nxlog-reference-manual.html#troubleshooting