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win_netbios – Manage NetBIOS over TCP/IP settings on Windows

New in version 2.9.

Synopsis

  • Enables or disables NetBIOS on Windows network adapters.
  • Can be used to protect a system against NBT-NS poisoning and avoid NBNS broadcast storms.
  • Settings can be applied system wide or per adapter.

Parameters

Parameter Choices/Defaults Comments
adapter_names
list
List of adapter names for which to manage NetBIOS settings. If this option is omitted then configuration is applied to all adapters on the system.
The adapter name used is the connection caption in the Network Control Panel or via Get-NetAdapter, eg Ethernet 2.
state
string / required
    Choices:
  • enabled
  • disabled
  • default
Whether NetBIOS should be enabled, disabled, or default (use setting from DHCP server or if static IP address is assigned enable NetBIOS).

Notes

Note

  • Changing NetBIOS settings does not usually require a reboot and will take effect immediately.
  • UDP port 137/138/139 will no longer be listening once NetBIOS is disabled.

Examples

- name: Disable NetBIOS system wide
  win_netbios:
    state: disabled

- name: Disable NetBIOS on Ethernet2
  win_netbios:
    state: disabled
    adapter_names:
      - Ethernet2

- name: Enable NetBIOS on Public and Backup adapters
  win_netbios:
    state: enabled
    adapter_names:
      - Public
      - Backup

- name: Set NetBIOS to system default on all adapters
  win_netbios:
    state: default

Return Values

Common return values are documented here, the following are the fields unique to this module:

Key Returned Description
reboot_required
boolean
always
Boolean value stating whether a system reboot is required.

Sample:
True


Status

Authors

  • Thomas Moore (@tmmruk)

Hint

If you notice any issues in this documentation, you can edit this document to improve it.

© 2012–2018 Michael DeHaan
© 2018–2019 Red Hat, Inc.
Licensed under the GNU General Public License version 3.
https://docs.ansible.com/ansible/2.9/modules/win_netbios_module.html