Stories of compromised servers and data theft fill today's news. It isn't difficult for someone who has read an informative blog post to access a system via a misconfigured service, take advantage of ...

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Linux firewalls can be very complicated. With the help of a GUI, firewall configuration is easier. These GUIs are easy to install and free to use. A firewall is often the heart and soul of desktop ...

Jack Wallen shows you how to extend the flexibility of the CentOS 7 firewall with firewalld zones. Your firewall is a crucial component from preventing unwanted people from gaining access to your data ...

Do note that you have to launch Windows PowerShell as an administrator, otherwise, the commands will not execute and you will receive an error in PowerShell. If you ...