firewall-cmd
The firewalld command line client.
Install
- All systems
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curl cmd.cat/firewall-cmd.sh
- Debian
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apt-get install firewalld - Ubuntu
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apt-get install firewalld - Arch Linux
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pacman -S firewalld - Kali Linux
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apt-get install firewalld - CentOS
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yum install firewalld - Fedora
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dnf install firewalld - Raspbian
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apt-get install firewalld
The firewalld command line client.
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View the available firewall zones:
firewall-cmd --get-active-zones -
View the rules which are currently applied:
firewall-cmd --list-all -
Permanently open the port for a service in the specified zone (like port `443` when in the `public` zone):
firewall-cmd --permanent --zone=public --add-service=https -
Permanently close the port for a service in the specified zone (like port `80` when in the `public` zone):
firewall-cmd --permanent --zone=public --remove-service=http -
Reload firewalld to force rule changes to take effect:
firewall-cmd --reload
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