# Configuring HTTP headers
<a name="manage-headers"></a>

You can configure the Amazon DCV server to send additional HTTP response headers to the Amazon DCV client when users connect to a session using the web browser client. The response headers can provide additional information about the Amazon DCV server that users are connecting to.

**Topics**
+ [Configuring HTTP headers on a Windows Amazon DCV Server](#manage-headers-windows)
+ [Configuring HTTP headers on a Linux Amazon DCV Server](#manage-headers-linux)

## Configuring HTTP headers on a Windows Amazon DCV Server
<a name="manage-headers-windows"></a>

To configure the HTTP headers on Windows, configure the `web-extra-http-headers` parameter using the Windows Registry Editor.

**To configure the HTTP headers on Windows**

1. Open the Windows Registry Editor.

1. Navigate to the **HKEY\$1USERS\$1S-1-5-18\$1Software\$1GSettings\$1com\$1nicesoftware\$1dcv\$1connectivity\$1** key.

1. In the navigation pane, open the context (right-click) menu for the **connectivity** key. Then, choose **New**, **String**.

1. For **Name**, enter `web-extra-http-headers` and press **Enter**.

1. Open the **web-extra-http-headers** parameter. For **Value data**, enter the HTTP header name and value in the following format.

   ```
   [("header-name", "header-value")]
   ```

   To specify multiple headers, add them in a comma-separated list.

   ```
   [("header1-name", "header1-value"), ("header2-name", "header2-value")]
   ```

1. Choose **OK** and close the Windows Registry Editor.

1. [Stop](manage-stop.md) and [restart](manage-start.md) the Amazon DCV server.

## Configuring HTTP headers on a Linux Amazon DCV Server
<a name="manage-headers-linux"></a>

To configure the HTTP headers on Linux, configure the `web-extra-http-headers` parameter in the `dcv.conf` file.

**To configure the HTTP headers on Linux**

1. Open `/etc/dcv/dcv.conf` with your preferred text editor.

1. Locate the `[connectivity]` section. Specify the HTTP header name and value in the following format. 

   ```
   [connectivity]
   web-extra-http-headers=[("header-name", "header-value")]
   ```

   To specify multiple headers, add them in a comma-separated list.

   ```
   [connectivity]
   web-extra-http-headers=[("header1-name", "header1-value"), ("header2-name", "header2-value")]
   ```

1. Save and close the file.

1. [Stop](manage-stop.md) and [restart](manage-start.md) the Amazon DCV server.