Chapter 13


In This Chapter

arrow Examining Linux hacking tools

arrow Port scanning Linux hosts

arrow Gleaning Linux information without logging in

arrow Exploiting common vulnerabilities when logged in to Linux

arrow Minimizing Linux security risks

Linux hasn’t made inroads onto the enterprise desktop the way that Windows has, but Linux still has its presence in practically every network nonetheless. A common misconception is that Linux is more secure than Windows. However, more and more, Linux and its sister variants of UNIX are prone to some of the same types of security vulnerabilities, so you can’t let your guard down.

Hackers are attacking Linux in droves because of its popularity and growing usage in today’s network environment. Because some versions of Linux are free — in the sense that you don’t have to pay for the base operating system — many organizations are installing Linux for their web servers and e-mail servers in hopes of saving money and having a more secure system. Linux has grown in popularity ...

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