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sudo systemctl status firewalld

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sudo systemctl start firewalld

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sudo firewall-cmd --set-default-zone=public
sudo firewall-cmd --permanent --zone=public --remove-service=dhcpv6-client
sudo firewall-cmd --permanent --zone=public --remove-service=dhcpv6-server
sudo firewall-cmd --reload

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sudo firewall-cmd --permanent --zone=public --add-port=80/tcp
sudo firewall-cmd --permanent --zone=public --add-port=80/udp
sudo firewall-cmd --reload

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sudo firewall-cmd --permanent --zone=public --remove-port=22/tcp
sudo firewall-cmd --permanent --zone=public --remove-port=22/udp
sudo firewall-cmd --reload

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sudo firewall-cmd --permanent --zone=public --add-rich-rule="rule family='ipv4' source address='192.168.0.10' port protocol='tcp' port='3306' accept"
sudo firewall-cmd --reload

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sudo firewall-cmd --zone=public --list-all

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