Port knocking tools
Popular port knocking tools
Knock (port knocking tool)
A port knocking implementation to make network ports to become stealth or trigger events based on a port knocking sequence.
pyknock (port knocking tool)
network traffic filtering, system hardening
Port knocking tools typically hide services from the outside world by requesting a 'secret'. This secret is like a special way of knocking on a door, to let others know you can be trusted. It does not replace a password or other method of authentication, yet adds another layer to it.
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