> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/release-notes/waap-release-notes/2026/agent-release-notes/cloudfront-lambda-edge.md).

# Cloudfront Lambda\@Edge

## 1.4.0 - 16<sup>th</sup> September

### Updates

#### Preserve the viewer's Host header during proxying

You can now configure the agent to preserve the original viewer's Host header when proxying requests by setting the `FORWARD_HOST_HEADER_ENABLED` setting.
