# Unterstützte Methode zum Hinzufügen von "IncludeSubdomain" zu STS-Headern

**URL:** https://meta.discourse.org/t/supported-way-of-adding-includesubdomain-to-sts-headers/393114
**Category:** Development
**Created:** [9. Januar 2026 um 21:47 UTC](https://meta.discourse.org/t/supported-way-of-adding-includesubdomain-to-sts-headers/393114 "2026-01-09T21:47:14Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![supermathie](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/supermathie/32/507518_2.png) [@supermathie](https://meta.discourse.org/u/supermathie)
#### Post date: [9. Januar 2026 um 22:23 UTC](https://meta.discourse.org/t/supported-way-of-adding-includesubdomain-to-sts-headers/393114/2 "2026-01-09T22:23:09Z")

</div>

> [@tanya\_byrne](#):
>
> `add_header`

Löst die Verwendung von `set_header` anstelle von `add_header` das Problem?

---

_[View the full topic](https://meta.discourse.org/t/supported-way-of-adding-includesubdomain-to-sts-headers/393114)._