From 36188dbc0984e6f52df41dd95ffa78ee952927e2 Mon Sep 17 00:00:00 2001
From: Yu Feng <feyu@google.com>
Date: Sun, 20 Oct 2024 20:38:44 -0700
Subject: [PATCH] Port https://github.com/grpc/grpc-go/pull/6686 to C++
 (#37950)

This fixes connecting to a local ATLS server with grpc_cli.

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Closes #37950

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/37950 from rainwoodman:patch-1 1172618fb20265aeec643881608ba66f83c13204
PiperOrigin-RevId: 687975188
---
 src/core/lib/security/credentials/alts/alts_credentials.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/lib/security/credentials/alts/alts_credentials.cc b/src/core/lib/security/credentials/alts/alts_credentials.cc
index 1e58abcf215..e21900258c3 100644
--- a/src/core/lib/security/credentials/alts/alts_credentials.cc
+++ b/src/core/lib/security/credentials/alts/alts_credentials.cc
@@ -29,7 +29,7 @@
 #include "src/core/lib/security/credentials/alts/grpc_alts_credentials_options.h"
 #include "src/core/lib/security/security_connector/alts/alts_security_connector.h"
 
-#define GRPC_ALTS_HANDSHAKER_SERVICE_URL "metadata.google.internal.:8080"
+#define GRPC_ALTS_HANDSHAKER_SERVICE_URL "dns:///metadata.google.internal.:8080"
 
 grpc_alts_credentials::grpc_alts_credentials(
     const grpc_alts_credentials_options* options,