Packet Analysis Power Workshop (Wireshark) (PAPW) – Outline

Detailed Course Outline

Features, functions and basic operation of Wireshark Analyzer

  • Introduction and operation of Wireshark
  • Live Capture and Live Capture settings
  • Display options and basic interpretation
  • Working with Display Filters and Capture Filters
  • File Input and Output

Advanced features of Wireshark Analyzer

  • Preferences and user profiles
  • Name resolution
  • Reconstructing user data – Protocol reassembly
  • Packet colorization

Methodology and techniques of network analysis

  • What is packet analysis?
  • Steps and techniques for analyzing traffic
  • Analysing Switched Ethernet - Tapping into the network
  • Capturing wireless network traffic
  • Measuring network delay and response time
  • Measuring network throughput and overhead

Statistics and Baselining

  • Baselining of networks and applications
  • Wireshark statistics

Analysing networks and applications

  • Typical network related problems
  • Application types and typical application related problems
  • "Is it the network or the application?" – Fault isolation
  • Analysing and reconstructing voice traffic

Switched Ethernet analysis

  • Spanning Tree operation and Spanning Tree analysis
  • Analysing VLANs, VLAN-Tagging

TCP/IP analysis of the network layer

  • IP addressing
  • Typical IP scenarios
  • IP options
  • ICMP, ARP and DHCP

TCP/IP analysis of the transport layer

  • TCP functions
  • Session Setup, Data Transfer and Session Teardown
  • Window Mechanism and Window optimization
  • TCP options (SACK, Window Scaling) and TCP timers
  • UDP functions

Analysing TCP/IP with Wireshark

  • Wireshark preferences for advanced TCP/IP analysis
  • Typical TCP/IP related problems
  • Wireshark Expert Info messages and their meanings

TCP/IP applications

  • HTTP
  • FTP
  • DNS
  • SSL