You are assigned to investigate newly added addresses on an isolated network. The team wants to determine whether these addresses are hosting any functionality. Which method is likely to accomplish this goal?
Review historical site snapshots for the newly added addresses
Capture random packets on the same subnet
Send queries to a registry to find domain properties
Systematically probe each address for open channels and analyze the replies
Creating a sequence of interactions that tests each address for open channels and interprets the replies identifies if anything is listening. Domain registry records or archived data provide information unrelated to current open channels. Packet captures do not guarantee you will discover active endpoints without sending probes to them.
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What does 'systematically probe each address for open channels' mean?
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What is the role of open channels (ports) in network communication?
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How do tools like packet capture differ from active probing?