From f4e4d760788f32264b9524a1fe667be7ee394b75 Mon Sep 17 00:00:00 2001
From: Yoriyasu Yano <430092+yorinasub17@users.noreply.github.com>
Date: Mon, 2 Mar 2020 11:04:50 -0800
Subject: [PATCH] Set ServerName for tls config

---
 eks/oidc.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eks/oidc.go b/eks/oidc.go
index 9da8e0d..3bf82aa 100644
--- a/eks/oidc.go
+++ b/eks/oidc.go
@@ -96,7 +96,7 @@ func getThumbprint(jwksURL string) (string, error) {
 		hostname = net.JoinHostPort(hostname, "443")
 	}
 
-	tlsConfig := tls.Config{}
+	tlsConfig := tls.Config{ServerName: parsedURL.Host}
 	conn, err := tls.Dial("tcp", hostname, &tlsConfig)
 	if err != nil {
 		return "", errors.WithStackTrace(err)