Course Outline
Introduction
- Wireshark: More than a last-resort tool
Foundations of Network Troubleshooting
- Root cause analysis
Wireshark Installation
Overview of Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in a Test Environment
- Selecting the appropriate network interface
- Capturing packets on wired and wireless networks
Log Analysis
- Examining HTTP packets
- Reviewing TCP stream interactions
- Exporting 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 persistent connection slowness
Evaluating Response Times
- Configuring delta time columns
Detecting Virus-Infected Machines
- Analyzing ARP traffic
Identifying Sources of Network Traffic
- Intel ANS probes
- Malfunctioning or misconfigured software (e.g., network flooding)
Isolating Performance Bottlenecks
- Generating statistical charts and graphs
- Customizing display colors in Wireshark
- Filtering specific traffic
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting Connections in Secured Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Conducting non-intrusive analysis
Advanced Troubleshooting
Summary and Conclusion
Requirements
- A solid understanding of TCP/IP networking principles
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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.