Managing firewall rules is a crucial security task on Linux systems. In Debian 13, depending on the server configuration, different firewall tools can be installed. The most common are UFW, iptables, or firewalld. You must first check if your firewall is active and what rules are in place. Also, make sure that network ports are
CentOS 10 includes a firewall management tool called firewalld. This tool provides network security through the control of incoming and outgoing traffic. CentOS’s firewalld service makes it easy to manage network security on Linux servers. You may need to disable your firewall in some situations, such as when troubleshooting a network issue, installing a web
On CentOS 9, opening and closing ports are important for managing network access. Opening specific or required ports allows only authorized services to access your network. On the other hand, closing unwanted and unnecessary ports helps prevent cyber attacks and enhances system security. Through this guided article, you will explore different methods of how to