Course Outline
Introduction
- Why Wireshark is more than a last-resort solution
Foundations of Network Troubleshooting
- Techniques for root cause analysis
Installing Wireshark
Exploring Wireshark Capabilities
- Navigating the user interface
Capturing Traffic in a Test Environment
- Choosing the correct network interface
- Capturing packets on wired and wireless networks
Interpreting Logs
- Examining HTTP packets
- Reviewing bidirectional TCP streams
- Exporting logs for offline review
Investigating Connection Speed Issues for Specific Websites
- Applying filters
- Reviewing statistics
Analysis by Traffic Type
- Examining DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP, and HTTP/HTTPS
- Addressing consistently slow connections over extended periods
Monitoring Response Times
- Configuring delta time columns
Detecting Virus-Infected Machines
- Analyzing ARP traffic
Identifying Traffic Sources
- Intel ANS probe
- Malfunctioning or misconfigured software (e.g., network flooding)
Locating Performance Bottlenecks
- Generating statistical charts and graphs
- Customizing colors in Wireshark
- Refining traffic filters
- Leveraging the Wireshark Expert System and TCP/IP Resolution Flowchart
Troubleshooting in Secured Network Environments
- Managing proxies, firewalls, and clients
Optimizing Wireshark for Performance
- Non-intrusive analysis techniques
Troubleshooting Scenarios
Summary and Conclusion
Requirements
- A solid grasp of TCP/IP networking principles
Testimonials (7)
Learning about the tool
Arni Josue Quiroz Vivero - Grupo Salinas
Course - Network Troubleshooting with Wireshark
Machine Translated
The laboratories
Carlos Hammurabi Martinez Cruz - Grupo Salinas
Course - Network Troubleshooting with Wireshark
Machine Translated
class and labs.
Ricardo Santiago - Grupo Salinas
Course - Network Troubleshooting with Wireshark
Machine Translated
interaction with the group
MARIO DANIEL PORTILLA HERNANDEZ - Grupo Salinas
Course - Network Troubleshooting with Wireshark
Machine Translated
The practices
Jorge Dante Santiago Estrada - Grupo Salinas
Course - Network Troubleshooting with Wireshark
Machine Translated
The course was very educational with the labs.
Javier Morales Cordova - Grupo Salinas
Course - Network Troubleshooting with Wireshark
Machine Translated
knowledge of the instructor