Port knocking - Wikipedia
In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received...
Port knocking - ArchWiki
Port knocking is a stealth method to externally open ports that, by default, the firewall keeps closed. It works by requiring connection attempts to a series of predefined closed ports. With a simple port knocking method, when the correct sequence of port "knocks" (connection attempts) is received...
PortKnocking - Community Help Wiki | What is Port Knocking ?
Port knocking is a simple method to grant remote access without leaving a port constantly open. Port knocking improves security, because it can remove the need to leave ports open.
Port Knocking - MikroTik Wiki
This article describes how to use a feature called Port Knocking, to improve the security of your MikroTik device, and minimize a risk of hacking attempts over such protocols like SSH, Telnet, Winbox, etc.
Port Knocking (Network Security Technique) Explained and Demoed...
Port knocking is "a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports...
Mighty Securing your server with Port Knocking
This technology (Port Knocking) has a very important and interesting feature. Port Knocking technology is performed through a sequence of attempts to connect to closed ports.
How To Use Port Knocking to Hide your SSH Daemon... | DigitalOcean
Port knocking is a method of protecting your services behind a firewall until connection attempts are made to a specific sequence of ports in a certain amount of time.
port-knocking · GitHub Topics · GitHub
A Port-Knocking System. Used along other security systems, improves security. A Simple Port Knocker. Given a host, looks up its port sequence and knocks on it.