Quick answer
Port knocker client; supports one time sequences
F-Droid repository metadata
Port Knocker is a port knocking utility application for Android.
Features:
* Ability to save/use profiles
* Supports one time sequences, automatically rotates port sequence when sequence list is provided
* Stores knock history
* Ability to check open port after knocking, to check for a successful knock
Behavior notes:
* When using one time sequences and open port checking, sequence rotation will only occur if the port knock was considered successful.
* If using the one time sequence feature, the next port sequence will be shown between in the parentheses in the profile list.
* The connect timeout for each port knock is 1000 ms.
* History will store the last 100 knocks.
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is Port Knocker?
Port knocker client; supports one time sequences
Who develops Port Knocker?
Port Knocker is developed by Darnell Andries.
Which Android version does Port Knocker require?
Port Knocker requires Android API 19 or later.
What is the current version of Port Knocker?
The synchronized F-Droid version is 1.0.
Which license does Port Knocker use?
The signed F-Droid metadata lists MIT.
Where is the source code for Port Knocker?
https://github.com/djandries/portknocker-android
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