sudo ufw reset
ufw allow 80
ufw allow 443
ufw deny out from any to 10.0.0.0/8
ufw deny out from any to 172.16.0.0/12
ufw deny out from any to 192.168.0.0/16
ufw deny out from any to 100.64.0.0/10
ufw deny out from any to 198.18.0.0/15
ufw deny out from any to 169.254.0.0/16
ufw deny out from any to 173.245.48.0/23
ufw deny out from any to 141.101.78.0/23
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow ssh
sudo ufw allow 3065
sudo ufw allow 22
sudo ufw allow 2020