Manage Server Firewalls

Question 1

What command is used to install httpd and mod_ssl packages which provide the Apache web server ability to server content over ssl?

Answer 1

dnf install httpd mod_ssl

Question 2

What command is used to start and enable httpd?

Answer 2

systemctl enable –now httpd

Question 3

What command is used to try to access the web server through port 80/TCP?

Answer 3

curl http://servera.lab.example.com

Question 4

What command is used to try to access the web server over port 443/TCP?

Answer 4

curl -k https://servera.lab.example.com

Question 5

What command is used to verify that the firewalld service is enabled and running?

Answer 5

systemctl status firewalld

Question 6

What command is used to verify that the default firewall zone is set to the public zone?

Answer 6

firewall-cmd –get-default-zone

Question 7

What command is used to set the default firewall zone to public?

Answer 7

firewall-cmd –set-default-zone public

Question 8

What command is used to add the https service to the permanent configuration for the public network zone?

Answer 8

firewall-cmd –permanent –add-service=https

Question 9

What command is used to reload the default firewall zone?

Answer 9

firewall-cmd –reload

Question 10

What command is used to list the public default firewall zone?

Answer 10

firewall-cmd –permanent –zone=public –list-all

Question 11

What command is used login to the web console running on the server to verify https service to the public firewall zone?

Answer 11

http://servera.lab.example.com:9090