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Hack I.T.: Security Through Penetration Testing by Ajay Gupta, Scott Laliberte, T. J. Klevinsky

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Chapter 12. Discovery Tools

Discovery tools are used to gather information about a target network or system. The tools enable you to easily perform many otherwise manual processes, such as whois queries, DNS zone transfers, SNMP queries, and other information-gathering processes. The tools help you gather DNS records, contact information, network configuration information, host information, and identify systems that are active on a network. The information you gather will help you determine where a target is located and who is controlling it. All of this information helps you build a picture of the environment you are testing. In Chapters 5 and 7, we discussed how discovery tools fit into the penetration-testing methodology. In this chapter we ...

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