tailieunhanh - syngress sniffer pro network optimization troubleshooting handbook phần 9

Nếu trước đây chúng tôi đã đọc Cadillac của cuốn sách, chúng tôi chỉ cần nhảy vào một chiếc Ferrari cho một vòng quay. Trong chương này, chúng ta nhìn vào bằng cách sử dụng Pro Sniffer với an ninh trong không phải là một chương về hacking. | 514 Chapter 11 Detecting and Performing Security Breaches with Sniffer Pro Introduction If we were previously reading the Cadillac of books we just jumped into a Ferrari for a spin. In this chapter we look at using Sniffer Pro with security in is not a chapter on hacking. Rather this chapter shows you how to find vulnerabilities in your own network. It discusses the importance of security analysts who have a working knowledge of the basic operations of Sniffer Pro or other similar protocol analyzers. The first few sections cover issues inherent within IPv4 and how Sniffer Pro can be used to exploit the protocol stack s weakness. Note__ Using this technology for mischief is not recommended such activity could result in serious legal consequences. Using Sniffer Pro to Find Holes in Your Network The terrorist attacks of September 11 2001 changed the focus of security forever. Many commentators have compared the events worldwide ramifications to those of December 7 resulting awareness of information security and pr ivacy has created new and demanding challenges for the network professional. Today s cyber marketplace does not offer a better addition to a conscientious white hat hacker s arsenal than Sniffer Pro. Because Sniffer Pro is adept at analyzing network and application problems it is an effective tool in the detection and prevention of network vulnerabilities. One only need open morning newspapers to be made aware that threats from the Internet are names of viruses Trojans and worms once relegated to the techno-geek realm are now mainstream water-cooler conversation. Code Red Nimda SirCam Melissa Lovebug the list goes on and on. These names now relegated to the past should be of concern to the Sniffer Certified Professional SCP whose challenges lie in defending against new and yet unnamed malware. Detecting and Performing Security Breaches with Sniffer Pro .