set an ALPN value in the tls.Config

libp2p · Jul 27, 2019 · 08736ac · 08736ac
1 parent 250af20
commit 08736ac
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/p2p/security/tls/crypto.go b/p2p/security/tls/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