Openid connect and reverse proxy

[nils]

We have just released a new version of Search Guard which fixes the issue:

New release: Search Guard 53

Now available: Search Guard 53. Search Guard 53 brings support for ES 7.17.0, additional functionality for JWT authentication, and bug fixes for OIDC login and Signals. JWT: The JWT authenticator now allows you to specify expected values for audience and/or issuer claims. If one of these values is specified, a JWT will be only accepted if the value matches. OIDC Login: The new OIDC redirect handling implemented in Search Guard 51.0 caused issues with many Identity Providers, as it required th…