Task B: Shield - Protect your network with firewall (10+10+20+20=60 points) In order to receive full credits, you need to fill the table (add more rows if needed), implement the policy, show me the screenshot of your firewall table, and verify the results. 1. Configure the pfSense firewall rule to block the ICMP traffic from External Kali to Ubuntu VM. 2. Clear the previous firewall policies and configure the pfSense firewall to block all ICMP traffic from External Kali to the LAN side. 3. Clear the previous firewall policies and configure the pfSense firewall to block ALL traffic from External Kali to the LAN side, except for the FTP protocol towards Windows Server 2008. 4. Keep the firewall policies you created in Task B.3 and repeat Task A.2. What's the difference? Extra credit (10 points): Use NESSUS to enumerate the security vulnerabilities of Microsoft Windows Server 2008 VM in the CCIA network