Take the first steps toward securing your Debian machine by installing UFW and configuring some basic firewall rules.



Commands:
sudo apt update
sudo apt install ufw -y
sudo ufw enable
sudo ufw default allow outgoing
sudo ufw default deny incoming
sudo ufw allow 22
sudo ufw allow ssh
sudo ufw deny 443
sudo ufw allow from 192.168.9.12
sudo ufw deny from 192.168.9.12
sudo systemctl restart ufw
sudo ufw status verbose
sudo ufw reset
sudo apt purge ufw gufw -y




What you will learn:
1. How to secure your Debian system
2. How to to control incoming and outgoing traffic
3. How to strengthen your system’s defense against unauthorized access and potential threats
4. How to install, configure, and effectively manage the firewall with UFW on your Debian system
5. How to make sure that only authorized connections are allowed while blocking potential security risks
6. How to Install UFW on Debian
a. How to enable UFW
7. Defining UFW Rules on Debian
a. How You can control the network traffic of your Debian system by defining some UFW rules
b. How to grants access to any traffic to the specified services, ports, or IP address
c. How to stops access to any traffic to the specified services, ports, or IP address
d. How to identify ports by their numbers, such as 22, or by their names, such as SSH
e. How to Specify a single IP address or use the any option to allow all IP addresses
f. How to block all the computer’s IP addresses
8. Configuring the Default UFW Rules on Debian
a. How To configure the default firewall rules on Debian
b. How to Allow All Outgoing Connections
c. How to blocks or denies all outgoing connections
e. Block or Deny All Incoming Connections
f. How to block all incoming connections
g. Allow a Specific Port
h. How to To allow the network traffic on the defined port with UFW
i. Deny a Specific Port
j. How to deny the network traffic on any given port
k. Allow IP Address
l. How To allow traffic from a particular IP address
m. Deny IP Address
n. How to deny traffic from an IP address
o. Restart UFW
p. Display UFW Status
q. How to Display the status of UFW and its active rules
r. Reset UFW Rules
s. How to reset all UFW rules to default
9. How to Uninstall UFW on Debian
a. How to easily uninstall UFW on Debian
10. Secure Your Debian System With UFW Firewall Mastery

























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