The Settings page sets options and default values for the entire Discovery module.
Discovery Settings
Ignore networks that begin with 192.168... - If checked, private networks starting with 192.168 are not scanned.
Ignore networks that begin with 172... - If checked, private networks starting with 172 are not scanned.
Ignore networks that begin with 10... - If checked, private networks starting with 10 are not scanned.
Ignore networks that have a subnet mask of 255.255.255.255 - If checked, single node networks are not scanned, because only one device can exist on the network and that must belong to the agent machine performing the scan.
