Examples of Allow Commands

$ sudo ufw allow 1000:2000/tcp

$ sudo ufw allow from 192.168.1.104

Instead of allowing access to single ports UFW also allows us to access to port ranges

To allow access on all ports from a machine with IP address

or allow access on a specific port from a specific source

$ sudo ufw allow from 192.168.1.104 to any port 22

or block access from a specific subnet

$ sudo ufw deny from 192.168.1.0/24