up

2026-06-10 20:27:44 +02:00
parent 42b5c6247d
commit 6150498a9e
9 changed files with 223 additions and 120 deletions
@@ -317,7 +317,7 @@ func (s *session) run() {
 // Returns the moment we marked the link "connected" (zero if dial failed)
 // and the error that ended the session (nil if stopCh).
 func (s *session) runOnce() (time.Time, error) {
-	addr := fmt.Sprintf("%s:%d", s.cfg.Host, s.cfg.Port)
+	addr := net.JoinHostPort(s.cfg.Host, fmt.Sprintf("%d", s.cfg.Port)) // IPv6-safe
 	conn, err := net.DialTimeout("tcp", addr, 10*time.Second)
 	if err != nil {
 		return time.Time{}, fmt.Errorf("dial %s: %w", addr, err)