Ubuntu 20 Check Firewall Rules

Ubuntu 20 Check Firewall Rules. Deleting UFW rules by rule number. In this guide, we saw how to use the ss command, as well as the nmap utility to check for listening ports on Ubuntu Linux.

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There is no dedicated command to list firewall rules in UFW. Open Terminal and paste the command. There are two different ways to view your active iptables rules: in a table or as a list of rule specifications.

Rather, you can open or allow a connection in ufw so that you do not need to disable the firewall entirely.

Now, it's a good idea to see ufw's default rules for the system.

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Its main goal is to make managing firewall easier or, as the name says, uncomplicated. This command will display the UFW status, default policies, and specific rules you've created. There are two different ways to view your active iptables rules: in a table or as a list of rule specifications.

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