Kerberos authentication not working with Apache and PHP-FPM - Server Fault
SPNEGO:curlで確認 - Qiita
Ansible playbook
Kerberos authentication not working with Apache and PHP-FPM - Server Fault
Apache, PHP, SuEXEC: lessons learned
PHP массив $_SERVER
GAEPHP7 Standard Environmentのリクエストヘッダーまとめ - Qiita
Configuring Trusted Authentication
Configuring Trusted Authentication
How to get authenticated user in PHP variable "REMOTE_USER" without enabling IIS windows authentication on the whole Joomla site? - Stack Overflow
How to authenticate into a Django app using RemoteUserBackend - Stack Overflow
![User Authentication Options [iTop Documentation]](https://www.itophub.io/wiki/media?media=2_3_0%3Aadmin%3Aauth_login_form.png "User Authentication Options [iTop Documentation]")
User Authentication Options [iTop Documentation]
REMOTE_USER not being set by Apache2? - Stack Overflow
Ansible playbook
Setting HTTP request headers and IIS server variables | Microsoft Docs
How to De-Authenticate a Windows Auth user with PHP - Stack Overflow
PHPの$_SERVER（サーバー変数）で取得できる情報 | ソフトウェア開発日記
![No access to $_SERVER['REMOTE_USER'] · Issue #26 · TQsoft-GmbH/mod_authn_ntlm · GitHub](https://user-images.githubusercontent.com/832687/31268934-5ccb82be-aa76-11e7-876f-655b498b0eb1.png "No access to $_SERVER['REMOTE_USER'] · Issue #26 · TQsoft-GmbH/mod_authn_ntlm · GitHub")
No access to $_SERVER['REMOTE_USER'] · Issue #26 · TQsoft-GmbH/mod_authn_ntlm · GitHub
![User Authentication Options [iTop Documentation]](https://www.itophub.io/wiki/media?media=3_0_0%3Auser%3Alogin_form.png "User Authentication Options [iTop Documentation]")
User Authentication Options [iTop Documentation]
PHP $_SERVER（サーバー変数）のすべて！【初心者向け基本】 | WEPICKS!
Auth/Backend/Apache: We did not receive the $_SERVER[REMOTE_USER] property ... · Issue #558 · sabre-io/dav · GitHub
