Course Outline
Introduction
- Wireshark: More than just a last-resort tool
Foundational Concepts of Network Troubleshooting
- Root cause analysis
Installing Wireshark
Overview of Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in a Test Environment
- Selecting the appropriate network interface
- Capturing packets on both wired and wireless networks
Log Analysis
- Examining HTTP packets
- Reviewing bidirectional TCP streams
- Saving logs for offline review
Investigating Connection Speed Issues with Specific Websites
- Applying filters
- Reviewing statistical data
Analysis by Traffic Type
- Covering DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Addressing consistently slow connections over extended periods
Monitoring Response Times
- Configuring delta time columns
Identifying Machines Infected with Malware
- Reviewing ARP traffic
Examining Sources of Network Traffic
- Intel ANS probe
- Malfunctioning or misconfigured software (network flooding)
Isolating Performance Issues
- Generating statistical charts and graphs
- Customizing color schemes in Wireshark
- Filtering specific traffic
- Leveraging Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secured Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark Configuration for Performance
- Non-intrusive analysis techniques
Troubleshooting Exercises
Summary and Conclusion
Requirements
- A solid understanding of TCP/IP networking principles
Testimonials (3)
knowledge of the instructor
Grzegorz - Centrum Informatyki Resortu Finansow
Course - Network Troubleshooting with Wireshark
skills of wireshark
Adam - Centrum Informatyki Resortu Finansow
Course - Network Troubleshooting with Wireshark
Quality of explanation of program operation and analysis of various cases.
