Prerequisites
Peert-to-Peer transfer service
If you want to use the Peer-to-Peer transfer, You must configure the settings in the admin portal :
- Open Peer-to-Peer ports for the service. TCP/3443;UDP/3478;UDP/32003
- Configure the public or internal ip address (the same as the IP address of the Raysync service) and port number of the peer-to-peer service in [Configuration] - Transfer [Peer-to-peer]. If the service is used on a public network, set the IP address to a public network. After the configuration is successful, the system restarts to take effect
| Function | Description |
|---|---|
| Peer to Peer Server address | Public or internal IP addresses of peer-to-peer services (the same as the IP address of the Raysync service). Multiple IP addresses are supported, but domain names are not supported |
| Port | Port monitored by the Peer-to-Peer service. The default port is 32003 |
Stun Service
Configuring the stun Service(Optional), it can detect the network between two devices to establish a direct connection service between the devices when creating peer to peer transfer, which improves the success rate of direct connection in peer-to-peer task transmission. You can deploy your private Stun service or use an open public Stun service.
| Function | Description |
|---|---|
| Stun Server address | Public IP address or domain name of the Stun service. Only one IP address is supported |
| Port | Port monitored by the Stun service. The default port is 3478 |
Quick Start -Version 8187+

Before You Start
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Both sender and receiver are logged in, have the client running, and have enabled the P2P feature.
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Both devices have normal network connectivity.
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The receiver has enabled the “Allow receive files from others” permission in settings.
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The receiver has shared their device ID with the sender.
Send Files to a Remote Device
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The sender goes to “Peer to Peer” in the left menu and confirms that “Enable P2P” is turned on in the upper‑right corner.
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In the “Remote Computer” section, click “Connect device”, enter the receiver's device ID or email, and click Connect.
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After a successful connection, select the files or folders to send in the “My Computer” section.
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In the remote computer section, navigate to the directory where the receiver wants to save the files.
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Confirm the selection and click “Send”, or drag and drop the files to the remote computer area.
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Check the transfer progress and result in the “Transfer Center”.
Receive Files from a Remote Device
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In the “Remote Computer” section, select the files or folders you want to receive. (Prerequisite: The remote device has enabled the “Allow others to fetch files” permission.)
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In the local “My Computer” section, navigate to the directory where you want to save the files.
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Confirm the selection and click “Receive”, or drag and drop the files to the “My Computer” area.
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Check the transfer progress and result in the “Transfer Center”.
Quick Start -Version Before 8186
Send peer-to-peer files
- Login user portal
- Download and install the client
- Click left menu Send
- Enter the receiver's device ID
- Select file
- Click Start to transfer

Receive peer-to-peer files
- Login user-end portal
- Download and install the client
- Click left menu Receive
- Enable the Allow to receive files
- Copy the device ID and send it to the sender
- Prepare to receive files

