chore: TCPKeepAlive interval set to 15s by default

common/net/tcpip.go

@@ -7,7 +7,7 @@ import (
 	"time"
 )
 
-var KeepAliveInterval time.Duration
+var KeepAliveInterval = 15 * time.Second
 
 func SplitNetworkType(s string) (string, string, error) {
 	var (

config/config.go

@@ -571,11 +571,11 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 	C.GeoSiteUrl = cfg.GeoXUrl.GeoSite
 	C.MmdbUrl = cfg.GeoXUrl.Mmdb
 	C.GeodataMode = cfg.GeodataMode
-	if cfg.KeepAliveInterval == 0 {
-		cfg.KeepAliveInterval = 30
+	if cfg.KeepAliveInterval != 0 {
+		N.KeepAliveInterval = time.Duration(cfg.KeepAliveInterval) * time.Second
 	}
-	N.KeepAliveInterval = time.Duration(cfg.KeepAliveInterval) * time.Second
-	log.Infoln("Keep Alive Interval set %+v", N.KeepAliveInterval)
+
+	log.Debugln("TCP Keep Alive Interval set %+v", N.KeepAliveInterval)
 	// checkout externalUI exist
 	if externalUI != "" {
 		externalUI = C.Path.Resolve(externalUI)

docs/config.yaml

@@ -50,7 +50,8 @@ external-ui: /path/to/ui/folder # 配置 WEB UI 目录，使用 http://{{externa
 # Utls is currently support TLS transport in TCP/grpc/WS/HTTP for VLESS/Vmess and trojan.
 global-client-fingerprint: chrome
 
-keep-alive-interval: 30
+#  TCP keep alive interval
+keep-alive-interval: 15
 
 # routing-mark:6666 # 配置 fwmark 仅用于 Linux
 experimental: