CompTIA
XK0-004 · Question #177
XK0-004 Question #177: Real Exam Question with Answer & Explanation
The correct answer is C: firewall-cmd --zone=public --add-port=80/tcp --permanent. https://firewalld.org/documentation/howto/open-a-port-or-service.html
Question
A systems administrator needs to allow the Linux server to receive HTTP connections from Internet hosts. By default, the port for HTTP connections is blocked. Which of the following rules should be added in the firewall to allow this type of connection?
Options
- Afirewall-cmd --zone=public --add-port=443/tcp --permanent
- Bfirewall-cmd --zone=internal --add-port=80/tcp --permanent
- Cfirewall-cmd --zone=public --add-port=80/tcp --permanent
- Dfirewall-cmd --zone=internal --add-port=443/tcp --permanent
Explanation
https://firewalld.org/documentation/howto/open-a-port-or-service.html
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