Summary
error message → the system admin has turned off OAuth2 Service Provider.
Steps to reproduce
reverse proxy config : IIS with URL Rewrite as a reverse proxy - part 2 – dealing with 500.52 status codes | Microsoft Learn
ver : Team Edition 5.12.0
Expected behavior
reverse proxy ?
Observed behavior
public PC → GitLab web direct connection login OK
public PC → mattermost gitlab SSO login error
private PC-> no trouble
why error message?? → the system admin has turned off OAuth2 Service Provider ??
help me ~~