After reading this chapter, you should be able to conduct many different and interesting types of scans. You should also know how to change the ports you're scanning and how to scan multiple hosts at once. You've learned that grabbing service banners can help you see which versions of software are running, and how to output various different types of log files. Lastly, you should now be able to understand the network-based reasons for why Nmap is flagging results in certain ways. There's a long way to go to become a true Nmap master, but you've conquered the basics of getting a scan under way. In the next chapter, we will learn how to conduct advanced Nmap scans in order to get results in more complex situations. This next chapter will allow you to scan in even strange or hostile environments, which security professionals often encounter during the course of an engagement.