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blumeops/docs/changelog.d/+caddy-v2.11-host-header.bugfix.md
Erich Blume 1f0308bbd2 Fix Caddy v2.11 Host header rewrite breaking proxied services 
Caddy v2.11 (#7454) auto-rewrites the Host header to match the
upstream address for HTTPS backends. This causes services behind
Tailscale Ingress to see *.tail8d86e.ts.net instead of *.ops.eblu.me,
breaking Authentik OAuth flows, Homepage host validation, and other
services that check the Host header.

Only apply header_up for HTTPS backends (Tailscale Ingress); HTTP
backends (forge, registry, jellyfin, sifaka) are unaffected.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-15 18:28:18 -07:00

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Fix Caddy v2.11 breaking change: preserve original Host header for HTTPS upstreams.