Course Outline
Introduction
- Wireshark: More than just a last-resort tool
Foundations of Network Troubleshooting
- Root cause analysis
Installing Wireshark
Overview of Wireshark Features
- 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
- Exporting logs for offline analysis
Analyzing Connection Speed Issues to Specific Websites
- Applying filters
- Interpreting statistics
Analyzing by Traffic Type
- DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Diagnosing persistent slow connections
Checking Response Times
- Configuring delta time columns
Detecting Machines Infected with Malware
- Inspecting ARP traffic
Identifying Sources of Network Traffic
- Intel ANS probe
- Malfunctioning or misconfigured software (e.g., network flooding)
Pinpointing Performance Issues
- Generating statistical charts and graphs
- Customizing color schemes in Wireshark
- Filtering traffic
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secured Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark for Peak Performance
- Non-intrusive analysis techniques
Troubleshooting Workshop
Summary and Conclusion
Requirements
- Familiarity with 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.
