From 8383d528d982fdb746e939dfb9d170b53ef93f7b Mon Sep 17 00:00:00 2001
From: fatedier <fatedier@gmail.com>
Date: Fri, 15 Mar 2024 14:22:03 +0800
Subject: [PATCH] disable quic-go's ECN support by default (#4069)

---
 Release.md        | 1 +
 client/service.go | 4 ++++
 server/service.go | 4 ++++
 3 files changed, 9 insertions(+)

diff --git a/Release.md b/Release.md
index 3f4af07..a699be8 100644
--- a/Release.md
+++ b/Release.md
@@ -1,3 +1,4 @@
 ### Fixes
 
 * Fix the issue of incorrect interval time for rotating the log by day.
+* Disable quic-go's ECN support by default. It may cause issues on certain operating systems.
diff --git a/client/service.go b/client/service.go
index e24e16d..7a7f6dc 100644
--- a/client/service.go
+++ b/client/service.go
@@ -43,6 +43,10 @@ func init() {
 	crypto.DefaultSalt = "frp"
 	// Disable quic-go's receive buffer warning.
 	os.Setenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING", "true")
+	// Disable quic-go's ECN support by default. It may cause issues on certain operating systems.
+	if os.Getenv("QUIC_GO_DISABLE_ECN") == "" {
+		os.Setenv("QUIC_GO_DISABLE_ECN", "true")
+	}
 }
 
 type cancelErr struct {
diff --git a/server/service.go b/server/service.go
index 4c3ee12..4fdb216 100644
--- a/server/service.go
+++ b/server/service.go
@@ -63,6 +63,10 @@ const (
 func init() {
 	// Disable quic-go's receive buffer warning.
 	os.Setenv("QUIC_GO_DISABLE_RECEIVE_BUFFER_WARNING", "true")
+	// Disable quic-go's ECN support by default. It may cause issues on certain operating systems.
+	if os.Getenv("QUIC_GO_DISABLE_ECN") == "" {
+		os.Setenv("QUIC_GO_DISABLE_ECN", "true")
+	}
 }
 
 // Server service