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Update information on Timestamps for S3 #509

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Apr 5, 2024
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Update information on Timestamps for S3 #509

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16 changes: 10 additions & 6 deletions protocols/s3/index.md
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Expand Up @@ -661,16 +661,20 @@ To configure Amazon CloudFront for your website endpoints, refer to [Website Con

### Modification Date

The modification date retention is only supported using the {download}`S3 (Timestamps) profile<https://profiles.cyberduck.io/S3%20(Timestamps).cyberduckprofile>`. When using this connection profile, the modification dates get written into the metadata for files uploaded to S3. The metadata is interoperable with [rclone](https://rclone.org/s3/#modified-time) using `X-Amz-Meta-Mtime`.
The modification date retention is only supported using the {download}`S3 (Timestamps) profile<https://profiles.cyberduck.io/S3%20(Timestamps).cyberduckprofile>`. When using this connection profile, the modification and creation dates get written into the metadata in form of `x-amz-meta-Mtime` and `x-amz-meta-Btime` for files uploaded to S3. .

```{attention}
Make sure to enable the modification date preservation within *Preferences → Transfers*.
```
Listing folders will require an additional `HEAD` request for every file to read the modification date from the object metadata. This can cause performance issues due to the excessive number of requests required with large directory contents.

```{attention}
Listing folders will require an additional `HEAD` request for every file to read the modification date from the object metadata.
```{tip}
Make sure to enable _Preserve modification date_ in *Preferences → Transfers → Timestamps* in Cyberduck.
```

The {download}`S3 (Timestamps) profile<https://profiles.cyberduck.io/S3%20(Timestamps).cyberduckprofile> is only necessary if you want to view the timestamps set in the browser.

#### Interoperability

The timestamp metadata is interoperable with [rclone](https://rclone.org/s3/#modified-time).

### Disable use of Virtual Host Style Requests

Set the [hidden preference](../../cyberduck/preferences.md#hidden-configuration-options) `s3.bucket.virtualhost.disable` to `true` if your S3 compatible storage does only support path style requests to reference buckets. Alternatively a custom connection [profile](../profiles/index.md) with the property set in `Properties`.
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