How to Check Firewall Rules in CentOS 7
There are a few ways to check firewall rules in CentOS 7. The firewall service is installed by default, and it can be accessed by issuing the following command:
firewall-cmd –list-all
If you are using a graphical interface, you can access the firewall service by clicking the Firewall icon in the System Tray and selecting the Rules tab. From here, you can view all the current firewall rules.
You can also use the firewall-cmd –permanent rule option to add a new firewall rule. For example, to add a new rule that allows all traffic from the 192.
168.1.0/24 network, you would issue the following command:.
firewall-cmd –permanent rule add –network=192.168.
1.0/24.
You can also remove a firewall rule by issuing the following command:
firewall-cmd –permanent rule remove –rule-id=rule_id
Finally, you can view the status of all the firewall rules by issuing the following command:
Conclusion
In this article, we have shown you how to check firewall rules in CentOS 7. We have also provided a conclusion about how to configure firewall rules in this operating system.
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In Linux, you can use the firewall settings to control which traffic is allowed to enter and leave your computer. To check your firewall settings, open a terminal window and type the following command:
firewall-cmd
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