An Introduction to Traffic Analysis - A Pragmatic Approach

An Introduction to Traffic Analysis - A Pragmatic Approach

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FreeBSD, packet drops netstat

14 of 30

14 of 30

FreeBSD, packet drops netstat

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Classroom Contents

An Introduction to Traffic Analysis - A Pragmatic Approach

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  1. 1 Intro
  2. 2 Why do we capture packets?
  3. 3 Obtaining Network Traffic
  4. 4 Network Interface Cards
  5. 5 FreeBSD Packet Processing
  6. 6 FreeBSD Processing cont.
  7. 7 mbuf kernel structure
  8. 8 Linux Frame Processing
  9. 9 sk_buff kernel structure
  10. 10 Keeping Up?
  11. 11 Capture Mechanisms/Sockets
  12. 12 tcpdump tests, average
  13. 13 libpcap buffer
  14. 14 FreeBSD, packet drops netstat
  15. 15 Linux, packet drops ifconfig
  16. 16 tcpdump/libpcap drops
  17. 17 Reporting & Stats
  18. 18 graphing with gnuplot
  19. 19 Packets Per Second
  20. 20 Gigabit Line Rate for UDP
  21. 21 trafgen config files
  22. 22 BPF Filters - 3
  23. 23 Capture SYN
  24. 24 IP Options: RR Example
  25. 25 Capture HTTP GET Method
  26. 26 netsniff-ng: a quick look
  27. 27 netsniff-ng: writing to disk
  28. 28 netsniff-ng: Creating filters
  29. 29 tcpdump & libpcap
  30. 30 Analysis

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