Guide to installing and configuring the UFW firewall.
UFW firewalls are easier than most other firewalls. Because it is easier to read and very easy to execute. Available on Debian and Ubuntu.
Proses Install UFW
# apt install ufw
# systemctl enable ufw
UFW Configuration
To add port 8288 to the UFW then :
# ufw allow 8288
Or want to add a website port to UFW then :
# ufw allow http
# ufw allow https
or it could be
# ufw allow 80
# ufw allow 443
Deaktivasi Firewall UFW
To disable the UFW firewall then :
# systemctl stop ufw
# systemctl disable ufw