Excluding IP addresses and ranges from scanning
Your network might have some IP devices that you never want to be scanned, or that you want to exclude from a scan at a scheduled time. For example, you might have some legacy applications that will run only on old hardware and might be regarded as fragile. You can add such a device as a single IP exclude, or as an exclude range.
Related topics
The following illustration summarizes the process for excluding a range of IP addresses from scanning:
Exclude ranges are added to the BMC Helix Discovery Outpost, and are configured individually for each Outpost.
To add an Exclude Range
- Log in to the BMC Helix Discovery Outpost UI and select Manage > Configuration.
The Outpost Configuration page displays. You configure exclude ranges in the the Exclude IP Ranges field. By default, no IP addresses are excluded from scanning. - Deselect the Exclude IP Ranges check box.
A field is displayed enabling you to enter IP address information. - In the Exclude IP Ranges field, add the IP addresses or ranges that the Outpost is not permitted to scan. Enter IP address information as follows:
• IPv4 address (for example192.168.1.100
). Labelled v4.
• IPv6 address (for example2001:500:100:1187:203:baff:fe44:91a0
). Labelled v6.
• IPv4 range (for example192.168.1.100-105
,192.168.1.100/24
, or192.168.1.*
). Labelled v4.
As you enter text, the UI divides it into pills (discrete editable units) when you enter a space or a comma. According to the text entered, the pill is formatted to represent one of the previous formats or presented as invalid. - Once you have entered the exclude ranges, click Apply.
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