> For the complete documentation index, see [llms.txt](https://docs.ngsurvey.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ngsurvey.com/de/form-management/security/security-items/active-directory-security.md).

# Active Directory-Sicherheit

## 👥 Was ist Active Directory-Sicherheit?

Mit dem [Active Directory](/de/installation-setup/installation/active-directory.md) Mit Active Directory-Sicherheit können Sie den Zugriff auf Ihre Umfrage auf Benutzer mit einem gültigen Active Directory-Konto beschränken. Dieses Sicherheitsmerkmal kann so eingerichtet werden, dass entweder Single Sign-On erlaubt ist oder die Benutzer sich manuell mit ihren Active Directory-Anmeldeinformationen anmelden. 

## 🔅 Active Directory-Sicherheitsattribute

* **`Mehrfachübermittlungen zulassen`** Befragte können mehrfach an derselben Umfrage teilnehmen.
* **`Single Sign-On`** Der Benutzer muss bereits mit seinen Active Directory-Anmeldeinformationen in seinem Browser angemeldet sein. Wenn Sie dem Befragten nicht erlauben möchten, seine Anmeldeinformationen manuell einzugeben, können Sie Single Sign-On aktivieren.

{% hint style="warning" %}
Single Sign-On erfordert, dass das Active Directory-Modul von ngSurvey für [Single Sign-On-Unterstützung konfiguriert ist](/de/installation-setup/installation/active-directory/active-directory-setup.md).
{% endhint %}

{% hint style="success" %}
Dieser Sicherheits-Eintrag kann als [key provider](/de/form-management/security/key-provider-concepts.md). 
{% endhint %}


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