How to check firewall status in ubuntu

In the last lesson we well-informed how to enable and disable Ubuntu Firewall in Ubuntu Linux. In That tutorial we are going to learn by rote how to check the firewall position in Ubuntu UFW.

To check firewall consequence use the ufw status command twist the terminal.

If the firewall is enabled, you will see the list marketplace firewall rules and the status thanks to active. If the firewall is crippled, you will get the message “Status: inactive”.

For more detailed status use garrulous option with ufw status command.

Verbose testament choice displays additional settings including default firewall settings.

Display firewall rule numbers

The numbered choice of the ufw status command testament choice display the rule number.

Once we know again the rule number, We can concentrated rule number to modify existing firewall rules. For example, I can scrub the firewall rule number by typing

Filter Firewall status with grep command

The Unix grep command will help us problem filter the output of the ufw status command.

Example : Display default firewall policy

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