diff --git a/internal/api/api.go b/internal/api/api.go
index ef7ad9ec..540f0f6d 100644
--- a/internal/api/api.go
+++ b/internal/api/api.go
@@ -49,7 +49,7 @@ func Init() {
 	HandleFunc("api/exit", exitHandler)
 
 	// ensure we can listen without errors
-	listener, err := net.Listen("tcp", cfg.Mod.Listen)
+	listener, err := net.Listen("tcp4", cfg.Mod.Listen)
 	if err != nil {
 		log.Fatal().Err(err).Msg("[api] listen")
 		return
@@ -169,7 +169,7 @@ func middlewareLog(next http.Handler) http.Handler {
 
 func middlewareAuth(username, password string, next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		if !strings.HasPrefix(r.RemoteAddr, "127.") && !strings.HasPrefix(r.RemoteAddr, "[::1]") {
+		if !strings.HasPrefix(r.RemoteAddr, "127.") {
 			user, pass, ok := r.BasicAuth()
 			if !ok || user != username || pass != password {
 				w.Header().Set("Www-Authenticate", `Basic realm="go2rtc"`)
diff --git a/internal/rtsp/rtsp.go b/internal/rtsp/rtsp.go
index 9d1234d5..9d9c3cb5 100644
--- a/internal/rtsp/rtsp.go
+++ b/internal/rtsp/rtsp.go
@@ -45,7 +45,7 @@ func Init() {
 		return
 	}
 
-	ln, err := net.Listen("tcp", address)
+	ln, err := net.Listen("tcp4", address)
 	if err != nil {
 		log.Error().Err(err).Msg("[rtsp] listen")
 		return
diff --git a/pkg/hap/server.go b/pkg/hap/server.go
index 9fcf7e0d..460012fc 100644
--- a/pkg/hap/server.go
+++ b/pkg/hap/server.go
@@ -44,7 +44,7 @@ func NewServer(name string) *Server {
 
 func (s *Server) Serve(address string) (err error) {
 	var ln net.Listener
-	if ln, err = net.Listen("tcp", address); err != nil {
+	if ln, err = net.Listen("tcp4", address); err != nil {
 		return
 	}
 
diff --git a/pkg/rtsp/client_test.go b/pkg/rtsp/client_test.go
index 39f3519f..ea7c3b44 100644
--- a/pkg/rtsp/client_test.go
+++ b/pkg/rtsp/client_test.go
@@ -11,7 +11,7 @@ import (
 func TestTimeout(t *testing.T) {
 	Timeout = time.Millisecond
 
-	ln, err := net.Listen("tcp", "localhost:0")
+	ln, err := net.Listen("tcp4", "localhost:0")
 	require.Nil(t, err)
 
 	client := NewClient("rtsp://" + ln.Addr().String() + "/stream")
@@ -27,7 +27,7 @@ func TestTimeout(t *testing.T) {
 func TestMissedControl(t *testing.T) {
 	Timeout = time.Millisecond
 
-	ln, err := net.Listen("tcp", "localhost:0")
+	ln, err := net.Listen("tcp4", "localhost:0")
 	require.Nil(t, err)
 
 	go func() {
diff --git a/pkg/webrtc/api.go b/pkg/webrtc/api.go
index 5086109d..5a3343f9 100644
--- a/pkg/webrtc/api.go
+++ b/pkg/webrtc/api.go
@@ -50,13 +50,13 @@ func NewAPI(address string) (*webrtc.API, error) {
 	if address != "" {
 		address, network, _ := strings.Cut(address, "/")
 		if network == "" || network == "udp" {
-			if ln, err := net.ListenPacket("udp", address); err == nil {
+			if ln, err := net.ListenPacket("udp4", address); err == nil {
 				udpMux := webrtc.NewICEUDPMux(nil, ln)
 				s.SetICEUDPMux(udpMux)
 			}
 		}
 		if network == "" || network == "tcp" {
-			if ln, err := net.Listen("tcp", address); err == nil {
+			if ln, err := net.Listen("tcp4", address); err == nil {
 				tcpMux := webrtc.NewICETCPMux(nil, ln, 8)
 				s.SetICETCPMux(tcpMux)
 			}