"Knock on Ports" is a port knocking client compatible with knockd, icmpKNOCK and other port knocking servers.

Features:

- UDP/TCP/ICMP sequences

- IPv4 and IPv6 support

- customizable content of UDP and ICMP packets

- ability to start another application after a knock

- Tasker integration

- interpacket delays

- sequence shortcuts

- customizable widget

- data export/import

- free, no ads, open source

Creator