Is Sshd4a safe?

Sshd4a provides an 'sshd' server with shell access, rsync and scp/sftp services. Services are provided by: - https://matt.ucc.asn.au/dropbear/dropbear.html - https://rsync.samba.org/ - https://github.com/openssh/openssh-portable

Developer: tfonteyn
Category: File Transfer
Earliest archived version: 12 Oct 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

12 Oct 2026

1.13.2

FIXES: - GitHub 34: starting the service on a Pixel device with Android 17 was failing due to new enforcements by the OS. - temporary going back to targetting Android 16. The app still works/supports Android 17. This solves complication seen in 34.

Full notes →

03 / Package identity

Technical fingerprint

Application IDcom.hardbacknutter.sshd

Latest APK SHA-256bf5e4ce315c6c2431311208b03e0595994893d3207f180fc99302e797b6aee49

Signing certificateDF:97:1C:E7:D5:8D:3C:DF:37:7C:32:E0:E2:F5:3D:65:99:BD:7F:13:0A:50:C0:52:9C:45:58:3D:DC:12:A0:08

MIN ANDROID30TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86_64

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

1.13.212 Oct 202630+arm64-v8a, armeabi-v7a, x86_64→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions7 declared · 1 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessMANAGE_EXTERNAL_STORAGE

Declared permissions

android.permission.FOREGROUND_SERVICE android.permission.FOREGROUND_SERVICE_SPECIAL_USE android.permission.INTERNET android.permission.MANAGE_EXTERNAL_STORAGE android.permission.POST_NOTIFICATIONS android.permission.RECEIVE_BOOT_COMPLETED com.hardbacknutter.sshd.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗