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Free CompTIA Linux+ XK0-005 Practice Question

A system administrator is tasked with restricting access to a web server running on the default HTTP port to only the IP range 192.168.100.0/24. The server is currently using firewalld for its firewall management. Which of the following commands should the administrator use to accomplish this task?

  • firewall-cmd --permanent --new-zone=192.168.100.0/24

  • firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="192.168.100.0/24" port protocol="tcp" port="80" accept'

  • firewall-cmd --permanent --zone=public --add-source=192.168.100.256/24

  • firewall-cmd --permanent --zone=public --add-service=http --source=192.168.100.0/24

This question is for objective:
Security
Your Score:
Security
System Management
Scripting, Containers, and Automation
Troubleshooting
SAVE $45