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Configuring a Host Firewall on Ubuntu using UFW
In this lab, we will install and configure a firewall on an Ubuntu host using UFW. We will create the firewall rules to permit only VNC, HTTP, and SSH traffic inbound to the host and permit all outbound traffic from the host.
Path Info
Table of Contents
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Challenge
Install UFW.
Run the commands
sudo apt-get updateandsudo apt-get install -y ufw. -
Challenge
Configure the default rules to deny all inbound and permit all outbound.
Run the following commands:
sudo ufw default deny incomingsudo ufw default allow outgoing
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Challenge
Configure UFW to permit only VNC, HTTP, and SSH traffic to the Ubuntu host.
Run the following commands:
sudo ufw allow 22sudo ufw allow 80sudo ufw allow 5900:5901/tcp
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Challenge
Enable UFW.
Run the command
sudo ufw enable. -
Challenge
Install the Lighttpd web server.
Run the following command:
sudo apt-get install -y lighttpd
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