Iptables is a firewall service that is used to control network traffic on Linux systems. On Ubuntu, you can use the systemctl command to manage the Iptables firewall service.
To view the status of the Iptables firewall service on an Ubuntu system, you can use the systemctl command with the status option and the iptables unit. For example:
sudo systemctl status iptables
The output will show the status of the Iptables firewall service and whether it is running or not. For example:
● iptables.service - IPv4 firewall with iptables
Loaded: loaded (/lib/systemd/system/iptables.service; enabled; vendor preset: enabled)
Active: active (exited) since Mon 2021-01-01 12:00:00 UTC; 5s ago
Docs: man:iptables(8)
To stop the Iptables firewall service on an Ubuntu system, you can use the systemctl command with the stop option and the iptables unit. For example:
sudo systemctl stop iptables
To start the Iptables firewall service on an Ubuntu system, you can use the systemctl command with the start option and the iptables unit. For example:
sudo systemctl start iptables
To restart the Iptables firewall service on an Ubuntu system, you can use the systemctl command with the restart option and the iptables unit. For example:
sudo systemctl restart iptables
Keep in mind that you must have the necessary permissions to use the systemctl command on your system. If you do not have the necessary permissions, the system will display an error message.
For more information on the systemctl command and the Iptables firewall service, you can refer to the Ubuntu documentation or the Iptables documentation.