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docs: clarify forwarded headers

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Trong Huu Nguyen
2024-08-22 15:06:15 +02:00
parent 57376643ba
commit 155ebc745b
1 changed files with 1 additions and 0 deletions
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pkg/handler/reverseproxy.go
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@@ -52,6 +52,7 @@ func NewReverseProxy(upstream *urllib.URL, preserveInboundHostHeader bool) *Reve
ErrorLog: log.New(logrusErrorWriter{}, "reverseproxy: ", 0),
Rewrite: func(r *httputil.ProxyRequest) {
// preserve inbound Forwarded and X-Forwarded-* headers that is stripped when using Rewrite
// this presumes that we're behind a trusted reverse proxy (e.g. gateway or ingress controller)
r.Out.Header["Forwarded"] = r.In.Header["Forwarded"]
r.Out.Header["X-Forwarded-For"] = r.In.Header["X-Forwarded-For"]
r.Out.Header["X-Forwarded-Host"] = r.In.Header["X-Forwarded-Host"]