Firewall configuration using UFW (Uncomplicated Firewall)

2023-09-06 18:02:56

IT

System Development

Installing UFW (If Not Installed)

First, if UFW is not installed, use the following commands to install it:

sudo apt update
sudo apt install ufw

Activating UFW

Next, activate UFW:

sudo ufw enable

Opening Necessary Ports

Typically, open ports 80 and 443 for HTTP and HTTPS, respectively. Port 22 is also commonly opened for SSH access.

sudo ufw allow 22,80,443/tcp

Adding Rules for Nginx

You can also use a profile for Nginx:

sudo ufw allow 'Nginx Full'

Checking UFW Settings

Confirm that the settings have been applied correctly.