From 5294b2b98b0b39293f00cdea78d22c72e3f018dd Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Sun, 28 Jul 2019 06:49:08 +0900
Subject: [PATCH] set an ALPN value in the tls.Config

---
 crypto.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto.go b/crypto.go
index b3693b6..a0a52ce 100644
--- a/crypto.go
+++ b/crypto.go
@@ -21,6 +21,7 @@ import (
 
 const certValidityPeriod = 100 * 365 * 24 * time.Hour // ~100 years
 const certificatePrefix = "libp2p-tls-handshake:"
+const alpn string = "libp2p"
 
 var extensionID = getPrefixedExtensionID([]int{1, 1})
 
@@ -50,6 +51,7 @@ func NewIdentity(privKey ic.PrivKey) (*Identity, error) {
 			VerifyPeerCertificate: func(_ [][]byte, _ [][]*x509.Certificate) error {
 				panic("tls config not specialized for peer")
 			},
+			NextProtos:             []string{alpn},
 			SessionTicketsDisabled: true,
 		},
 	}, nil