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only add client address if proxy protocol is enabled

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This commit is contained in:
Weidi Deng 2025-10-12 08:36:26 +08:00
parent a5e910d519
commit a64931b84e
1 changed files with 5 additions and 3 deletions
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4
modules/caddyhttp/reverseproxy/reverseproxy.go
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@ -1194,7 +1194,7 @@ func (lb LoadBalancing) tryAgain(ctx caddy.Context, start time.Time, retries int
// directRequest modifies only req.URL so that it points to the upstream
// in the given DialInfo. It must modify ONLY the request URL.
func (Handler) directRequest(req *http.Request, di DialInfo) {
func (h *Handler) directRequest(req *http.Request, di DialInfo) {
// we need a host, so set the upstream's host address
reqHost := di.Address
@ -1206,9 +1206,11 @@ func (Handler) directRequest(req *http.Request, di DialInfo) {
}
// add client address to the host to let transport differentiate requests from different clients
if ht, ok := h.Transport.(*HTTPTransport); ok && ht.ProxyProtocol != "" {
if proxyProtocolInfo, ok := caddyhttp.GetVar(req.Context(), proxyProtocolInfoVarKey).(ProxyProtocolInfo); ok {
reqHost = proxyProtocolInfo.AddrPort.String() + "->" + reqHost
}
}
req.URL.Host = reqHost
}