51DDNS AGENT 0.5.6

Connect your device.
Reach it anywhere.

One lightweight Agent maintains two outbound connections to managed Hong Kong relays and receives remote-access services, Dynamic DNS settings, and subscription status automatically. Every package includes the SHA-256-verified FRP 0.70.1.

Unified account tokenUnique device IDStarts with the system
OFFICIAL PACKAGES

Choose your system.

Each system groups every supported architecture in one place. Choose the package that matches your device CPU; every file is verified with SHA-256.

WIN2 architectures · verified

Windows

Windows 10/11 and Windows Server 2019 or later

x86-649.0 MB
SHA-256 dbaff27d5166…Download x86-64 ↓
ARM647.9 MB
SHA-256 7e52b313f72f…Download ARM64 ↓
Need automated verification or batch deployment?Linux / Docker installerWindows installerDownload SHA256SUMSView release manifest
WINDOWS x64 · 0.1.0-preview.4

Extract, run, and bind with your token.

Extract the ZIP and run 51DDNS.exe. No PowerShell command or manually created device ID is needed. The desktop client creates its own device on first connection.

  1. Download the x64 ZIP, extract all files, then double-click 51DDNS.exe.
  2. Copy the unified account token from the console header, paste it into the client, and select Bind and connect.
  3. After the client connects, refresh the device workbench. Closing the window keeps it in the tray; Exit disconnects it.
Download ZIP preview · 52.8 MB

Unsigned preview, not a stable release. Windows may show an unknown publisher warning. This package is x64 only; Windows 10/ARM64 and legacy migration are not yet verified. A detected legacy client is left unchanged; use the original command-line installer for existing device IDs.

ZIP SHA-256 checksumfac0e9eedf28cd85ad1e45e1867a51ba7b2d8495c96a0ed9bb2e7267aa4e6ea1
INSTALL IN 3 STEPS

Command-line client: online in three steps.

Your account uses one unified account token and every device has its own ID. The installer stores both in a file readable only by the system administrator.

  1. 01

    Create a device

    Open the device workbench in the console, choose Add device, and select the real device type.

  2. 02

    Copy this device's command

    The unified account token can enroll your devices, while the device ID identifies this specific device. Never commit the token to a code repository.

  3. 03

    Run and verify

    curl -fsSL https://www.51ddns.com/downloads/install.sh | sudo sh -s -- '<account token>' '<device ID>'

    Docker, OpenWrt and Windows each show the appropriate one-click command in the console.

Your device51DDNS Agent
Encrypted dual connection
Hong Kong BHong Kong C

When either relay is under maintenance, the Agent refreshes its connection from the healthy node list issued by the control plane. HTTP and TCP routes can be established on both nodes.

NEED HELP?

Installation problem?

Include your operating system, Agent version and the time of the issue. Never send your account token.

Contact technical support →