Network Configuration
firewalld
Dynamic firewall management tool for Linux.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-10-07
Syntax
$firewall-cmd [OPTIONEN]
Examples
$firewall-cmd --list-all
$firewall-cmd --add-port=80/tcp
Typical use cases
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Standard usage
firewalld --help
Note
Modern firewall management.
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