ufw allow

Open a firewall port (ufw)

high risk

interactive breakdown — edit the command and press Explain

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⚠ Risks & cautions

Avoid “allow 22” from anywhere on Internet-facing hosts when a VPN or allow-list is possible.

Safer / dry-run alternatives

ufw allow from <cidr> to any port <port>Restrict by source

What it does

Adds an allow rule. See the flags and examples below, and run `man ufw` for the full reference.

Examples

ufw allow from 10.0.0.0/8 to any port 22Restrict by source · explain & risk-check →

ufw status numberedRules · explain & risk-check →

Related

Open the full explainer →More in Users, Permissions & Security

Reference text is hand-written and may be incomplete — check man ufw for your version. Test destructive commands on a non-production system first.