> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://wiki.leviia.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# CloudSync: connect your Synology NAS to your Leviia object storage (S3 compatible)

| In order to connect your Synology NAS to your Leviia object storage space using the CloudSync tool, you must first create a [identifier](https://wiki.leviia.com/en/article/create-object-storage-identifier-in-your-leviia-dashboard-1as7ljn/) and a [bucket](https://wiki.leviia.com/en/article/create-a-bucket-on-your-leviia-dashboard-h47vp5/).

1. Go to the administration interface of your Synology NAS, download and install the "Cloud Sync" application.
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1118_4y9u1t.png)

2. Once the CloudSync application has been launched, choose the **S3 storage** protocol.
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1119_1aq4yw2.png)

3. Fill in the following fields as follows:
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1157_13alcp0.png)
**S3 server**: custom server URL
**Server address**: the address of your identifier server that you will find on the [dashboard](https://dashboard.leviia.com/) in the "Endpoint" section.
**Signature Version** : v4
**Access key**: the access key for your identifier, which you'll find on the [dashboard](https://dashboard.leviia.com/) in the " identifiers" section.
**Secret key**: the secret key for your identifier, which you will find on the [dashboard](https://dashboard.leviia.com/) in the "identifiers" section.
**Bucket name**: click on the drop-down menu to display your buckets.

4. In this window, click on the directory to select the source folder whose data is to be transferred to your object storage space.
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1200_1cwjlcj.png)

5. Here we select a folder we've created called "test_s3".
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1201_q6ns00.png)

5. Fill in the following fields: 
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1202_z8ddir.png)
**Connection name**: enter a name for your connection.
**Game size**: leave the default 128 MB option.
**Uncheck** the "enable advanced consistency check" option.

You can check the "data encryption" box if you wish.

If you wish to set up a transfer schedule, click on **Schedule settings**.

6. Once the window is open, you'll be able to schedule your transfers according to the desired times, then click on "OK".
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1203_ayanwr.png)

7. Click on "Next".

8. A summary of your information appears. Click on "Done" to start synchronization.
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1203_t9x09i.png)

9. Synchronization works.
![](https://storage.crisp.chat/users/helpdesk/website/-/7/1/8/1/7181a953295a4800/capture-decran-2025-10-20-1204_gxth0x.png)