Using mod_auth_mellon behind reverse proxy

Solution Unverified - Updated -


  • We’d like to use mod_auth_mellon behind a reverse proxy, but mod_auth_mellon doesn’t respond(redirect) with a valid frontend URL. mod_auth_mellon exposes its own internal URL.

For example, if we run mod_auth_mellon ( behind AWS ALB (, AWS ALB passes their frontend URL via X-Forwarded-* HTTP header, but mod_auth_mellon doesn’t respect it, and redirects based on his URL (


  • Red Hat Enterprise Linux (RHEL)
    • 7
    • 8

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