firewalld

Dynamic firewall management tool for Linux.

Last updated: 2026-07-05 Report error

Syntax

$firewall-cmd [OPTIONS]

Examples

$firewall-cmd --list-all

Examples

$firewall-cmd --add-port=80/tcp

Typical use cases

Show rules

firewall-cmd --list-all

Add port

firewall-cmd --add-port=PORT/PROTOCOL

Note Modern firewall management.

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