From c6cceeb0c589983ee0758f1bbbe6fd7ad1f3a1eb Mon Sep 17 00:00:00 2001
From: Dreamacro <8615343+Dreamacro@users.noreply.github.com>
Date: Tue, 19 Oct 2021 22:34:18 +0800
Subject: [PATCH] Chore: use alpn http 1.1 only on trojan websocket by default

---
 transport/trojan/trojan.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/transport/trojan/trojan.go b/transport/trojan/trojan.go
index 26e7adc7d5..9d9a33b995 100644
--- a/transport/trojan/trojan.go
+++ b/transport/trojan/trojan.go
@@ -22,8 +22,10 @@ const (
 )
 
 var (
-	defaultALPN = []string{"h2", "http/1.1"}
-	crlf        = []byte{'\r', '\n'}
+	defaultALPN          = []string{"h2", "http/1.1"}
+	defaultWebsocketALPN = []string{"http/1.1"}
+
+	crlf = []byte{'\r', '\n'}
 )
 
 type Command = byte
@@ -74,7 +76,7 @@ func (t *Trojan) StreamConn(conn net.Conn) (net.Conn, error) {
 }
 
 func (t *Trojan) StreamWebsocketConn(conn net.Conn, wsOptions *WebsocketOption) (net.Conn, error) {
-	alpn := defaultALPN
+	alpn := defaultWebsocketALPN
 	if len(t.option.ALPN) != 0 {
 		alpn = t.option.ALPN
 	}