ufw
Open SourceUFW, short for Uncomplicated Firewall, is a user-friendly command-line utility designed to simplify the process of managing Netfilter firewall rules on Linux systems. It provides a high-level interface over the complex iptables or nftables syntax, making robust network security accessible to a wider range of users.
Key Features
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Extremely easy to learn and use
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Rapidly configure basic firewall rules
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Simplifies management for common services