Increase timeouts

common/dialer/default.go

@@ -81,7 +81,7 @@ func NewDefault(router adapter.Router, options option.DialerOptions) (*DefaultDi
 	if options.ConnectTimeout != 0 {
 		dialer.Timeout = time.Duration(options.ConnectTimeout)
 	} else {
-		dialer.Timeout = C.TCPTimeout
+		dialer.Timeout = C.TCPConnectTimeout
 	}
 	// TODO: Add an option to customize the keep alive period
 	dialer.KeepAlive = C.TCPKeepAliveInitial

common/urltest/urltest.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 	"time"
 
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing/common"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
@@ -113,6 +114,7 @@ func URLTest(ctx context.Context, link string, detour N.Dialer) (t uint16, err e
 		CheckRedirect: func(req *http.Request, via []*http.Request) error {
 			return http.ErrUseLastResponse
 		},
+		Timeout: C.TCPTimeout,
 	}
 	defer client.CloseIdleConnections()
 	resp, err := client.Do(req.WithContext(ctx))