Include or Exclude Subnetworks for User Mapping
- Device > User Identification > User Mapping
Use the Include/Exclude Networks list to define the subnetworks
that the User-ID agent will include or exclude when performing IP
address-to-username mapping (discovery). By default, if you don’t
add any subnetworks to the list, the User-ID agent performs discovery
for user identification sources in all subnetworks except when using WMI
probing for client systems that have public IPv4 addresses. (Public
IPv4 addresses are those outside the scope of RFC 1918 and RFC 3927).
To enable WMI probing for public IPv4 addresses, you must add
their subnetworks to the list and set their
to other firewalls,
the discovery limits you specify in the list will apply to the redistributed
information.
Discovery
option
to Include
. If you configure the firewall to redistribute user mappinginformation

Use the include and exclude lists to
define the subnets in which the firewall performs user mapping.
You can perform the following tasks on the Include/Exclude Networks
list:
Task | Description |
---|---|
Add | To limit discovery to a specific subnetwork, Add a subnetwork
profile and complete the following fields:
The User-ID agent applies an
implicit exclude all rule to the list. For example, if you add subnetwork
10.0.0.0/8 with the Include option, the User-ID
agent excludes all other subnetworks even if you don’t add them
to the list. Add entries with the Exclude option
only if you want the User-ID agent to exclude a subset of the subnetworks
you explicitly included. For example, if you add 10.0.0.0/8 with
the Include option and add 10.2.50.0/22 with
the Exclude option, the User-ID agent will
perform discovery on all the subnetworks of 10.0.0.0/8 except 10.2.50.0/22,
and will exclude all subnetworks outside of 10.0.0.0/8. If you add Exclude profiles
without adding any Include profiles, the
User-ID agent excludes all subnetworks, not just the ones you added. |
Delete | To remove a subnetwork from the list, select
and Delete it.Tip : To remove
a subnetwork from the Include/Exclude Networks list without deleting
its configuration, edit the subnetwork profile and clear Enabled . |
Custom Include/Exclude Network | By default, the User-ID agent evaluates
the subnetworks in the order you add them, from top-first to bottom-last.
To change the evaluation order, click Custom Include/Exclude
Network Sequence . You can then Add , Delete , Move
Up , or Move Down the subnetworks
to create a custom evaluation order. |
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