---
title: Changing connection timeouts to your origin
summary: null
url: >-
  https://www.fastly.com/documentation/guides/full-site-delivery/domains-and-origins/changing-connection-timeouts-to-your-origin
---

Connection timeouts to your origin server control how long Fastly will wait for a response from your origin server before exiting with an error. Changing the connection timeout is a good way to start troubleshooting [503 backend read errors](https://www.fastly.com/documentation/guides/full-site-delivery/fastly-vcl/synthetic-errors-in-vcl/). Follow the steps below to change the connection timeouts to your origin server:

1.   Log in to the [Fastly control panel](https://manage.fastly.com).

2.   From the [**Home**](https://manage.fastly.com/home) page, select the appropriate service. You can use the search box to search by ID, name, or domain.

3.   Click **Edit configuration** and then select the option to clone the active version.

4.   Click **Origins**.

5. Click the name of the Host that you want to edit.

6. Click **Advanced options**.

   ![the Timeouts settings for the host](/img/hosts-advanced-timeouts.png)

7. Type the new timeout in the appropriate field of the **Timeouts** section.

8. Click **Update**.

## Related content

- [Working with hosts](https://www.fastly.com/documentation/guides/getting-started/hosts/working-with-hosts)
- [Set a timeout on a Request](https://www.fastly.com/documentation/solutions/examples/set-a-timeout-on-a-request/)