February 2002
Intermediate to advanced
544 pages
11h 24m
English
Content preview from Hack I.T.: Security Through Penetration TestingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.