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10.5.2 Power Conservation
As mentioned in Chapter 7, when performing vulnerability audits dur-
ing non-business hours, many systems may not be available because
they are either shut down or in power-saving mode. If an active audit
is performed over a WAN link, it is unlikely that those hosts will be
awakened even with the Wake on LAN (WoL) function active. is
is because WoL can only be activated by sending a specialized packet
on the local segment directed at a particular MAC address. Remote
TCP/IP connections cannot carry this information. is leaves us
with the following choices:
Install a local scanner that can be configured to send such pack-•
ets 30 seconds prior to performing the audit of the target.
Run VM agents on the ...