How to Check Firewall Status on Debian 13
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




How to Add Comments to UFW Rules: 7 Mostly Used Examples
Comments are annotations that accompany UFW rules, providing clarity on the rule’s intent, which is particularly useful when managing a large number of rules. Adding comments to UFW rules is a best practice for system administrators as it provides clarity on the purpose of each rule, making management and auditing of the firewall easier. With