Network Troubleshooting & Analysis
Network problems are easier to fix when you can see what the traffic is actually doing. I use practical network tools to identify devices, services, ports, and unusual network behaviour.
Problem Addressed
- Devices unable to communicate
- Unknown devices on a network
- Open ports that need investigation
- DNS or DHCP issues
- Unusual network behaviour
- Basic connectivity problems
Who It Is For
Individuals, Small offices, Home labs, Small businesses, Technical teams
What Is Included
- Basic network diagnosis
- Device discovery
- Port scanning
- Packet and traffic analysis
- TCP/IP troubleshooting
- DNS and DHCP checks
- Findings and recommendations
What Is Excluded
- ISP infrastructure repair
- Enterprise network redesign
- Unauthorized network scanning
- Advanced wireless penetration testing
Working Process
- Understand the network problem
- Collect network information
- Check connectivity and configuration
- Analyse traffic where necessary
- Identify the likely cause
- Recommend or apply an appropriate fix
Supporting Evidence
Network Troubleshooting Lab
A lab environment for practicing network configuration, troubleshooting, and security assessment using industry-standard tools.
Operation Blue Sentinel
Cloud-Based Security Operations and Incident Response Lab
A security alert only matters if you can investigate and respond to it. Operation Blue Sentinel was a cloud-based SOC project where I worked with a three-member team to monitor security activity, investigate phishing and brute-force attacks, and coordinate incident response using Wazuh SIEM, GoPhish, and VirusTotal.
Relevant Skills
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