Understanding stealth scans: Forewarned is forearmed

As LinuxWorld’s Joe Barr says: “Ifyou stay connected to the Internet, you will be scanned. It’s a fact of life.” It’s important to understand how these scans work in order to sufficiently protect your system. This column is a “basic primer on scanning, what it is, why it’s done, and the wonderful world of “secret handshakes” and stealth scans.”