How to Install UFW Ubuntu Firewall on Debian Linux
UFW Ubuntu Firewall is Uncomplicated Firewall which is easy to Configure. Even though UFW mostly been used in Ubuntu Linux, UFW also available for the Debian Linux.
In this tutorial we are going to learn how to install UFW Firewall on Debian Linux and configure UFW as the Debian firewall.
Install UFW Firewall on Debian
We can install UFW on Debian Linux using apt-get install command. Open the Linux terminal and first update the apt source list, then install the UFW on Debian.
apt-get update
apt-get install ufw
Enable UFW on Debian
After the installation is finished, we can start and enable the firewall on Debian using ufw enable command.
But before you enable the debian firewall, you should add a firewall rule to allow ssh connections to the server. This is because by default ufw block all incoming traffic to the server, which means if you activate the firewall without allowing ssh you won’t be able access your debian system from a remote computer.
ufw allow ssh/tcp
Now we can enable the debian ufw firewall using ufw enable command.
ufw enable
Once you enable the ufw, The firewall will also start at the system reboot.
Disable UFW Firewall on Debian
Using ufw disable command we can disable the debian ufw firewall.
ufw disable
Once you disable the UFW, Firewall will be stopped and will not start at the system reboot.
Firewall Rules Examples
ufw allow 53
Open port 53 (Both TCP and UDP Protocol) from the debian firewall.
ufw allow 21/tcp
Open TCP port 21 from the debian firewall.
ufw allow from 192.168.1.50 to any port 22 proto tcp
Open TCP port 22 for the IP Address 192.168.1.50
ufw allow from any to any port 80 proto tcp
Open TCP port 80(HTTP) for Everyone.
Delete Firewall Rule
The Firewall rules can delete by using either the original rule or the rule number. Ufw delete command use to remove firewall rules in UFW.
Example
For example, if the firewall rule is
ufw allow from 192.168.1.50 to any port 22 proto tcp
Then delete the rule as follows
ufw delte allow from 192.168.1.50 to any port 22 proto tcp
Click here to Learn more about deleting firewall rules in UFW Ubuntu Firewall.
Summary : Install UFW Debian Linux
In This tutorial we learned How to install and configure UFW on Debian Linux. First, we install ufw on Debian using apt-get install command, then enable the firewall using ufw enable command.
Go to Following URL www.configserverfirewall.com/ufw-ubuntu-firewall/ to learn more about Ubuntu Firewall.