Avoid duplicate HTTP headers for istio-proxy probe requests (istio#28537

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sel · Nov 3, 2020 · 45b0d1d · 45b0d1d
1 parent 1f422dd
commit 45b0d1d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pilot/cmd/pilot-agent/status/server.go b/pilot/cmd/pilot-agent/status/server.go
@@ -456,7 +456,7 @@ func (s *Server) handleAppProbe(w http.ResponseWriter, req *http.Request) {
 			// Probe has specific host header override; honor it
 			appReq.Host = h.Value
 		} else {
-			appReq.Header.Add(h.Name, h.Value)
+			appReq.Header.Set(h.Name, h.Value)
 		}
 	}