Knock Port Control - Open Ports with TCP/UDP | Online Free DevTools by Hexmos
Control port access with Knock, a powerful port knocking client. Open specific ports on your firewall using TCP or UDP. Free online tool, no registration required.
knock
Port knocking client to open specific ports on firewall. More information: https://manned.org/knock.
- Knock on ports using different protocols:
knock {{hostname}} {{portnumber}}:{{protocol}}
- Knock on port using UDP:
knock {{[-u|--udp]}} {{hostname}} {{portnumber}}
- Force usage of IPv4/IPv6:
knock {{-4|-6}} {{hostname}} {{portnumber}}
- Display errors and details of connection:
knock {{[-v|--verbose]}} {{hostname}} {{portnumber}}