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sudo ufw status


sudo ufw status numbered

Show Supported Apps

sudo ufw app list

Get App Info

  • Change x to an app listed in above command
sudo ufw app info x

Limit Connections

  • TODO: What does limit actually do?
sudo ufw limit ssh

Allow Specific Port/Protocol

  • 22 is the port number and tcp is the protocol
  • udp can be a protocol
sudo ufw allow 22/tcp

Ubuntu Deny All and Allow SSH

sudo ufw reset && sudo ufw default deny && sudo ufw logging off && sudo ufw allow 'ssh' && sudo ufw limit 'ssh' && sudo ufw enable && sudo systemctl enable 'ufw'
/var/www/wiki/data/pages/notes/ufw.txt · Last modified: 2023/05/04 19:59 by Sean Rhone