User Tools

Site Tools



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'
notes/ufw.txt · Last modified: 2021/07/20 01:49 by Sean Rhone