AWS, JavaScript, React - Deploy Web Apps on the Cloud - Hosted Software Firewalls UFW

The video tutorial covers the setup and configuration of hosted and network firewalls, focusing on UFW (Uncomplicated Firewall) for Ubuntu. It explains the differences between network and hosted firewalls, the importance of configuring UFW, and provides a step-by-step guide to connecting to a server using Putty. The tutorial also demonstrates how to set up basic and advanced UFW rules, test and modify these rules, and manage inbound and outbound connections. Finally, it covers disabling and resetting UFW to its default settings, ensuring a secure server environment.

What is the primary purpose of a hosted firewall?

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Explain the difference between a network firewall and a hosted firewall.

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What command is used to check if UFW is installed on a server?

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Describe the steps to set the default firewall policy to deny all incoming connections.

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How can you allow SSH connections over a custom port using UFW?

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What is the significance of the command 'sudo ufw allow HTTP'?

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Explain how to limit inbound SSH connections to specific IP addresses using UFW.

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How do you delete a UFW rule by its rule number?

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What should you do if you want to block a specific IP address from connecting to your server?

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What command would you use to reset UFW to its default configuration?

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