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How to allow connections for specific IP address or subnet and port in UFW?

ufw ubuntu linux firewall

To allow connections to specific IP subnet and port using UFW firewall, run following command: 

sudo ufw allow from 192.168.0.0/16 to any port 3306

Also single IP address can be used: 

sudo ufw allow from 192.168.0.1 to any port 3306