Ubuntu: Stat / Stop / Restart Iptables Firewall Service

In Ubuntu, you can manage the iptables firewall service using the following commands:

1. To check the status of the iptables firewall service:

2. To stop the iptables firewall service:

3. To start the iptables firewall service:

4. To restart the iptables firewall service:

Note: In Ubuntu 16.04 and later, the iptables service is replaced by the ufw firewall, so you need to use the ufw commands to manage the firewall.

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