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 Duration 21 hours

Course Outline

Introduction

  • Wireshark: More than a last-resort tool

Concepts in Network Troubleshooting

  • Root cause analysis

Installing Wireshark

Wireshark Features Overview

  • Navigating the user interface

Capturing Traffic in a Test Environment

  • Selecting the appropriate network interface
  • Capturing packets on wired and wireless networks

Analyzing Logs

  • Inspecting HTTP packets
  • Reviewing bidirectional TCP streams
  • Saving logs for offline examination

Analyzing Connection Speed Issues with Specific Websites

  • Applying filters
  • Reviewing statistics

Analysis by Traffic Type

  • DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
  • Consistently slow connections over extended periods

Checking Response Times

  • Configuring delta time columns

Detecting Machines Infected with Malware

  • Inspecting ARP traffic

Inspecting Network Traffic Sources

  • Intel ANS probe
  • Broken or misconfigured software (network flooding)

Pinpointing Performance Issues

  • Generating statistical charts and graphs
  • Configuring color coding in Wireshark
  • Filtering specific traffic
  • Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart

Troubleshooting Connections in Secure Network Environments

  • Working with proxies, firewalls, and clients

Optimizing Wireshark Performance

  • Non-intrusive analysis

Troubleshooting

Summary and Conclusion

Requirements

  • Familiarity with TCP/IP networking principles

Custom Corporate Training

Training solutions designed exclusively for businesses.

  • Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
  • Flexible Schedule: Dates and times adapted to your team's agenda.
  • Format: Online (live), In-company (at your offices), or Hybrid.
Investment

Price per private group, online live training, starting from 4800 € + VAT*

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