notes:ufw
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Table of Contents
Resources
Show Current Rules
List
sudo ufw status
Numbered
sudo ufw status numbered
Show Supported Apps
sudo ufw app list
Test
Get App Info
- Change
xto 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
22is the port number andtcpis the protocoludpcan 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'
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