Tag Archives: knockd

Set port knocking with knockd and iptables

This document describes a stealth method to externally open ports that, by default, are kept closed by the firewall. Server side 1. Install knockd 2. Configure knockd Notes: sequence – the sequence required to open desired port seq_timeout – time to wait for a sequence to complete Start_Command – command to be executed when a … Continue reading Set port knocking with knockd and iptables