ufw

CautionUncomplicated Firewall

ufw status verbose

Ubuntu's friendly firewall with allow/deny syntax. Always allow SSH before enabling.

Examples

ufw allow 22/tcp && ufw enableAllow SSH, then enable

Syntax

ufw [allow|deny|status|enable]

Before you run it

Enabling before allowing SSH locks you out.

Related commands

iptablesManage iptables firewall
firewall-cmdManage firewalld (RHEL)

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