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'''See also [[Troubleshooting_(Ubuntu)#Firewall|Troubleshooting > Firewall]]''' | |||
Ubuntu comes with UFW (Uncomplicated Firewall), which is a config tool used to modify the standard inbuilt Netfilter. If preferred, <code>iptables</code> can still be used, both <code>ufw</code> and <code>iptables</code> are essentially config tools for Netfilter. | Ubuntu comes with UFW (Uncomplicated Firewall), which is a config tool used to modify the standard inbuilt Netfilter. If preferred, <code>iptables</code> can still be used, both <code>ufw</code> and <code>iptables</code> are essentially config tools for Netfilter. | ||