Networking and Cybersecurity Professional Profile: Skills and Tools

Fabiano Aparecido de Campos Meda is an IT professional specializing in infrastructure, cybersecurity, and network troubleshooting. His expertise includes hardening systems, monitoring networks, and automating tasks with scripting. Below is a breakdown of his key skills and relevant technical commands.

You Should Know:

1. Network Troubleshooting & Monitoring

Fabiano uses tools like Wireshark, SolarWinds, and Zabbix for network diagnostics. Here are some essential commands:

• Wireshark (Packet Analysis):

  sudo wireshark Launch Wireshark with root privileges
  tshark -i eth0 -w capture.pcap Capture packets on interface eth0
  

• Zabbix (Monitoring):

  zabbix_server -R config_cache_reload Reload Zabbix server config
  zabbix_get -s 192.168.1.100 -k "system.cpu.load" Query a Zabbix agent
  

• Ping & Traceroute:

  ping -c 4 google.com Send 4 ICMP packets
  traceroute -I google.com Trace route using ICMP
  

2. Hardening Linux & Windows Systems

Fabiano focuses on security hardening for Kali Linux, CentOS, and Windows Server.

• Linux Hardening:

  sudo apt install fail2ban Install intrusion prevention
  sudo chmod 600 /etc/shadow Restrict shadow file access
  sudo ufw enable Enable Uncomplicated Firewall
  

• Windows Security (PowerShell):

  Set-ExecutionPolicy Restricted Disable unsigned scripts
  Enable-NetFirewallRule -DisplayGroup "Remote Desktop" Allow RDP securely
  

3. Cloud & Virtualization (AWS/Azure/VMware)

• AWS EC2 Management:

  aws ec2 describe-instances List all EC2 instances
  aws ec2 authorize-security-group-ingress --group-id sg-123abc --protocol tcp --port 22 --cidr 0.0.0.0/0 Allow SSH access
  

• VMware & Citrix:

  vmrun start /path/to/vm.vmx Start a VMware VM
  

4. Log Management & SIEM (Wazuh, Grafana)

• Wazuh (Security Logs):

  sudo systemctl status wazuh-agent Check Wazuh agent status
  

• Grafana (Visualization):

  sudo systemctl restart grafana-server Restart Grafana service
  

What Undercode Say:

Fabiano’s profile highlights the importance of automation, monitoring, and hardening in IT infrastructure. Key takeaways:
– Use Wireshark & Zabbix for network insights.
– Harden systems with UFW, Fail2ban, and PowerShell policies.
– Automate tasks using Python, Bash, and PowerShell.
– Cloud security is critical—leverage AWS/Azure CLI for secure deployments.

Expected Output:

A structured guide on network security, system hardening, and cloud management with verified commands.

References:

Reported By: Fabiano Meda – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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