ConfigServer Community Forum

great news ! today I updated my CSF and see the port-knocking feature !

this is why CSF is the best firewall, developers listen the users.

well, port knocking is not a "esoteric option" - is a real solution used by a many servers administrators. the logical is so simple, and work fine. - SSH port closed for all IP sources, and opened to your IP for a few minutes only if you acess 3 or 4 ports in a specific sequence (do not us...