Course Outline

Module 1: Introduction to Computer Networks and Wireshark

• Understanding the OSI and TCP/IP models
• Network topologies and devices
• Introduction to network protocols and data transmission
• Installing Wireshark on different platforms
• Wireshark interface and features
• Navigating the Wireshark interface
• Case Study: Analyzing a network setup for a small business, including installing Wireshark to identify optimal topologies and protocols for performance.

Module 2: Capturing and Analyzing Network Traffic

• Configuring network interfaces for packet capture
• Capturing and analyzing packets
• Filtering traffic using display filters
• Using Wireshark's capture and display options
• Analyzing common network problems
• Case Study: Diagnosing a connectivity issue in a corporate network by capturing and analyzing packet flow with Wireshark.

Module 3: Analyzing Network Protocols

• Analyzing Ethernet, ARP, and ICMP
• Analyzing IP and routing protocols
• Analyzing common application layer protocols
• Analyzing wireless protocols and VPN protocols
• VoIP protocol analysis
• Case Study: Conducting a VoIP performance analysis to identify issues affecting call quality and connectivity using Wireshark.

Module 4: Network Troubleshooting with Wireshark

• Identifying and troubleshooting common network issues
• Using Wireshark to diagnose connectivity problems
• Analyzing network performance problems
• Analyzing latency and packet loss
• Case Study: Investigating a suspected network breach by analyzing captured packets to identify malicious activity and recommending remediation steps.

Module 5: Network Monitoring, Security, and Reporting

• Identifying security threats and attacks using Wireshark
• Analyzing network security incidents
• Using Wireshark for intrusion detection
• Creating network statistics and reports
• Automating packet analysis
• Incident response and forensics
• Case Study: Developing a comprehensive report on network usage and performance for a large organization, leveraging automated analysis and monitoring tools.