diff --git a/internal/acl/tcp_listener.go b/internal/acl/tcp_listener.go
index 59e40ee0..0597211c 100644
--- a/internal/acl/tcp_listener.go
+++ b/internal/acl/tcp_listener.go
@@ -1,6 +1,7 @@
 package acl
 
 import (
+	"errors"
 	"io"
 	"net"
 	"time"
@@ -54,6 +55,21 @@ func (s *TCPListener) Accept() (net.Conn, error) {
 	return c, nil
 }
 
+type tcpListener interface {
+	SetDeadline(t time.Time) error
+}
+
+var _ tcpListener = (*net.TCPListener)(nil)
+
+func (s *TCPListener) SetDeadline(t time.Time) error {
+	switch lis := s.lis.(type) {
+	case tcpListener:
+		return lis.SetDeadline(t)
+	default:
+		return errors.New("not a TCPListener")
+	}
+}
+
 func (s *TCPListener) Close() error {
 	return s.lis.Close()
 }
diff --git a/internal/acl/udp_listener.go b/internal/acl/udp_listener.go
index d5338332..7818bd41 100644
--- a/internal/acl/udp_listener.go
+++ b/internal/acl/udp_listener.go
@@ -1,6 +1,7 @@
 package acl
 
 import (
+	"errors"
 	"net"
 	"time"
 )
@@ -74,6 +75,31 @@ func (s *UDPListener) SetWriteDeadline(t time.Time) error {
 	return s.lis.SetWriteDeadline(t)
 }
 
+type udpListener interface {
+	SetReadBuffer(bytes int) error
+	SetWriteBuffer(bytes int) error
+}
+
+var _ udpListener = (*net.UDPConn)(nil)
+
+func (s *UDPListener) SetReadBuffer(bytes int) error {
+	switch lis := s.lis.(type) {
+	case udpListener:
+		return lis.SetReadBuffer(bytes)
+	default:
+		return errors.New("not a UDPConn")
+	}
+}
+
+func (s *UDPListener) SetWriteBuffer(bytes int) error {
+	switch lis := s.lis.(type) {
+	case udpListener:
+		return lis.SetWriteBuffer(bytes)
+	default:
+		return errors.New("not a UDPConn")
+	}
+}
+
 func (s *UDPListener) Close() error {
 	return s.lis.Close()
 }