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Course Outline
Introduction
- Why Wireshark is more than just a last-resort diagnostic tool
Core Concepts in Network Troubleshooting
- Root cause analysis methodologies
Installing Wireshark
Exploring Wireshark Features
- Navigating the user interface effectively
Capturing Traffic in a Test Environment
- Selecting the appropriate network interface
- Capturing packets across wired and wireless networks
Log Analysis
- Examining HTTP packets
- Reviewing bidirectional TCP streams
- Exporting logs for offline review
Analyzing Connection Speed for Specific Websites
- Applying filters
- Interpreting statistical data
Analysis by Traffic Type
- DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Investigating persistent slow connections
Response Time Verification
- Configuring delta time columns
Identifying Virus-Infected Machines
- Examining ARP traffic
Tracing the Source of Network Traffic
- Intel ANS probe analysis
- Detecting broken or misconfigured software (network flooding)
Isolating Performance Issues
- Generating statistical charts and graphs
- Customizing color schemes in Wireshark
- Filtering specific traffic flows
- Utilizing the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting in Secured Network Environments
- Interactions involving proxies, firewalls, and clients
Optimizing Wireshark Configuration
- Non-intrusive analysis techniques
Troubleshooting Workflows
Summary and Conclusion
Requirements
- A solid understanding of TCP/IP networking principles
21 Hours
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.
