Knock on Ports

A port knocking client

A port knocking client for Android. This application sends UDP/TCP packets to specified ports on host, creating a special sequence on the listening server. Please refer to knockd manpage for more info.

Features:


  • configurable delay between sending packets

  • ability to start another application after a knock

  • customizable widget

  • data export/import

  • customizable UDP packet content

  • free, no ads, open source

Packages

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.0.4 (7) - Added on 2018-09-14

    This version requires Android 4.1 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Download APK 2.6 MiB PGP Signature

    Permissions
    • android.permission.INTERNET
    • android.permission.READ_EXTERNAL_STORAGE
    • android.permission.WRITE_EXTERNAL_STORAGE
    • android.permission.FOREGROUND_SERVICE
  • Version 1.0.3 (6) - Added on 2018-09-11

    This version requires Android 4.1 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Download APK 2.6 MiB PGP Signature

    Permissions
    • android.permission.INTERNET
    • android.permission.READ_EXTERNAL_STORAGE
    • android.permission.WRITE_EXTERNAL_STORAGE
    • android.permission.FOREGROUND_SERVICE