Add a Source

1. In Tenable Attack Surface Management, in the upper-right corner, click the button.

2. In the drop-down list, click Add Hostname or Domain.

   The Enter Hostname window appears.

3. In the Enter a host to your Inventory box, type a hostname or domain.

   A list of options appears.

   Note: You can add a maximum of two domains across your organization. If you already have two domains system-wide, you must delete one before you can add another.

4. Select any applicable options:

   Option	Description
   Add subdomains instead of domains	Adds the domain as a subdomain instead of a host or domain.
   Don't do subdomain discovery	Prevents Tenable Attack Surface Management from automatically discovering subdomains for the domain.
   Elastic source	Tells Tenable Attack Surface Management to extract data using the IP address that an asset resolves to.

5. Click the Next button.

   The hostname, domain, or subdomain appears in your inventory and begins identifying assets.

1. In Tenable Attack Surface Management, in the upper-right corner, click the button.

2. In the drop-down list, click Add IP addresses or IP ranges.

   The Enter IP address window appears.

3. In the Enter an IP range to your Inventory box, type an IP address, IP range, or a comma-separated list of IP addresses.

4. To select assets, do one of the following:

• Click Add IP address if you want Tenable Attack Surface Management to identify all assets associated with the IP address.

• Click Select Assets Manually. The Select IP Addresses window appears: select the IP addresses to add to your inventory, and click Add to Inventory to add the assets.

Tenable Attack Surface Management adds the IP addresses to your inventory and begins identifying assets.

1. In Tenable Attack Surface Management, in the upper-right corner, click the button.

2. In the drop-down list, click Add ASN.

   The Enter ASN window appears.

3. In the Enter AS number or organization name box, type an ASN or search for an organization.

4. Click the Add ASN button.

   Tenable Attack Surface Management adds the ASN to your inventory and begins identifying assets.