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Last active November 1, 2024 23:05
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UFW Cheatsheet
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CS_ufw.md

UFW cheat sheet

Usage

ufw [--dry-run] enable|disable|reload
ufw [--dry-run] default allow|deny|reject [incoming|outgoing]
ufw [--dry-run] logging on|off|LEVEL
    toggle logging. Logged packets use the LOG_KERN syslog facility. Systems configured for rsyslog
    support may also log to /var/log/ufw.log. Specifying a LEVEL turns logging on for the specified LEVEL.
    The default log level is 'low'.
ufw [--dry-run] reset
ufw [--dry-run] status [verbose|numbered]
ufw [--dry-run] show REPORT
ufw [--dry-run] [delete] [insert NUM] allow|deny|reject|limit [in|out] [log|log-all] PORT[/PROTOCOL]
ufw [--dry-run] [delete] [insert NUM] allow|deny|reject|limit [in|out on INTERFACE] [log|log-all]
    [proto PROTOCOL] [from ADDRESS [port PORT]] [to ADDRESS [port PORT]]
ufw [--dry-run] delete NUM
ufw [--dry-run] app list|info|default|update

Examples

  • ufw status verbose
  • ufw app list
  • ufw allow in on eth0 log from any to any app SSH-22022
  • ufw [delete] allow in proto udp from 193.204.114.105 to 12.34.56.78 port 123
@adambhayes
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Uncomplicated docs for uncomplicated firewall.

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