By Laura Chappell
As a follow-up identify to the "Introduction to community Analysis," this booklet offers sound step by step directions on packet deciphering, simple via complicated filtering and switched LAN research. learn how to construct filters to seize hackers coming via your firewall, decode 'unknown' protocols, and manage a set off that launches your analyzer in the midst of the evening.
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Additional resources for Advanced Network Analysis Techniques
This is one of those questions like, “how many collisions are too many”? When you start seeing systems dropping packets or sending some type of ‘delay packets’ to another device and you notice the broadcast rate is high.... consider lowering the broadcast rate. ” you ask. Well... look for any unnecessary broadcasts. NetBIOS, for example. If you’re not using NetBIOS for anything on your network (like WINS), why don’t you dump it? In other cases, you can set up a router to reply to broadcast queries, such as NetWare SAP (Service Advertising Protocol) queries.
Today’s networks are changing and evolving at such a rate that we may not be able to get a very long long-term trend -- there’s never a point where the network stays the same long enough (architecturally or functionally). -- Laura Advanced Network Analysis Techniques - Chappell 27 Chapter 1: Statistics, Trends, Patterns and Timestamping Exporting Graphics Into a Report Some analyzers can export their graphics into a nice format, but they are often not depicting the part of the screen or graph that I want to include in my report.
________________________________________________ Question 1-10: What is a false negative? How can you reduce false negatives? ________________________________________________ Advanced Network Analysis Techniques - Chappell 41 CHAPTER 2 Capture and Display Filtering In this chapter, we’ll examine the most exciting part of capturing packets -the filtering process. Some solid understanding of packet structures, protocol specifications and communication procedures will come in handy in this chapter.
Advanced Network Analysis Techniques by Laura Chappell