Gufw is a GUI-frontend for ufw command-line firewall configuration tool. Written in Python and GTK+ 3, Gufw provides a user-friendly interface for users to configure simple firewall rules for incoming and outgoing IPv4/IPv6 traffic. Available firewall actions are “allow” (allow packets), “deny” (drop packets), “reject” (drop packets and reply with error packets), “limit” (drop too frequent connection requests from a particular IP address), and optional logging. Available rule match conditions are network interface, direction (in/out), protocol (TCP/UDP), source/destination IP address, and port number. Gufw supports multiple firewall profiles, each of which stores a set of firewall rules.
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