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How to fix Authentik 2026.8 treating HTTPS as HTTP behind a reverse proxy

Authentik 2026.8 only accepts X-Forwarded-Proto, X-Forwarded-Host and X-Forwarded-For when the connection comes from a network listed in AUTHENTIK_LISTEN__TRUSTED_PROXY_CIDRS. If your reverse proxy sits outside the default private ranges, Authentik treats the request as HTTP and login breaks. Add the proxy's IP or network to that variable and restart.

How to Install

How to Install Authentik for Self-Hosted SSO

An Authentik Docker Compose install now needs only three containers: PostgreSQL, the server and the worker, since Redis stopped being mandatory in version 2025.10. Once running, it acts as your identity provider for single sign-on over OAuth2, OIDC, SAML and LDAP, and a reverse proxy such as Traefik can delegate authentication to it through forward auth.