Issue #105: listen by default only on IPv4, since IPv6 may be misleading / unexpected / buggy

server.go

@@ -1068,9 +1068,12 @@ func (ctx *RequestCtx) TimeoutErrorWithResponse(resp *Response) {
 	ctx.timeoutResponse = respCopy
 }
 
-// ListenAndServe serves HTTP requests from the given TCP addr.
+// ListenAndServe serves HTTP requests from the given TCP4 addr.
+//
+// Pass custom listener to Serve if you need listening on non-TCP4 media
+// such as IPv6.
 func (s *Server) ListenAndServe(addr string) error {
-	ln, err := net.Listen("tcp", addr)
+	ln, err := net.Listen("tcp4", addr)
 	if err != nil {
 		return err
 	}
@@ -1096,22 +1099,28 @@ func (s *Server) ListenAndServeUNIX(addr string, mode os.FileMode) error {
 	return s.Serve(ln)
 }
 
-// ListenAndServeTLS serves HTTPS requests from the given TCP addr.
+// ListenAndServeTLS serves HTTPS requests from the given TCP4 addr.
 //
 // certFile and keyFile are paths to TLS certificate and key files.
+//
+// Pass custom listener to Serve if you need listening on non-TCP4 media
+// such as IPv6.
 func (s *Server) ListenAndServeTLS(addr, certFile, keyFile string) error {
-	ln, err := net.Listen("tcp", addr)
+	ln, err := net.Listen("tcp4", addr)
 	if err != nil {
 		return err
 	}
 	return s.ServeTLS(ln, certFile, keyFile)
 }
 
-// ListenAndServeTLSEmbed serves HTTPS requests from the given TCP addr.
+// ListenAndServeTLSEmbed serves HTTPS requests from the given TCP4 addr.
 //
 // certData and keyData must contain valid TLS certificate and key data.
+//
+// Pass custom listener to Serve if you need listening on arbitrary media
+// such as IPv6.
 func (s *Server) ListenAndServeTLSEmbed(addr string, certData, keyData []byte) error {
-	ln, err := net.Listen("tcp", addr)
+	ln, err := net.Listen("tcp4", addr)
 	if err != nil {
 		return err
 	}