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ufw
Networking
ufw
Simple Firewall - Easy frontend for iptables.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Last updated:
2026-07-05
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Syntax
Copy
$
ufw [OPTIONS]
Examples
Examples
$
ufw enable
Examples
$
ufw allow 80
Typical use cases
Enable firewall
ufw enable
Allow port
ufw allow PORT
Note
Simple firewall configuration.
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