Add IncludeLoopbackCandidate option

pkg/config/config.yaml

@@ -436,6 +436,7 @@ webrtc:
   icePorts:
     min:
     max:
+  includeLoopbackCandidate: false
   #  2. select a single port to forward all ICE connections there
   singlePort:
   # override ICE candidate IP, see: https://github.com/pion/webrtc/issues/835,

pkg/config/webrtc.go

@@ -8,12 +8,13 @@ type Webrtc struct {
 		Min uint16
 		Max uint16
 	}
-	IceIpMap       string
-	IceLite        bool
-	IpFilter       []string
-	IpFilterRemote []string
-	SinglePort     int
-	LogLevel       int
+	IceIpMap                 string
+	IceLite                  bool
+	IpFilter                 []string
+	IpFilterRemote           []string
+	IncludeLoopbackCandidate bool
+	SinglePort               int
+	LogLevel                 int
 }
 
 type IceServer struct {

pkg/network/webrtc/factory.go

@@ -38,7 +38,7 @@ func NewApiFactory(conf config.Webrtc, log *logger.Logger, mod ModApiFun) (api *
 	}
 	customLogger := NewPionLogger(log, conf.LogLevel)
 	s := webrtc.SettingEngine{LoggerFactory: customLogger}
-	s.SetIncludeLoopbackCandidate(true)
+	s.SetIncludeLoopbackCandidate(conf.IncludeLoopbackCandidate)
 	if conf.HasDtlsRole() {
 		log.Info().Msgf("A custom DTLS role [%v]", conf.DtlsRole)
 		err = s.SetAnsweringDTLSRole(webrtc.DTLSRole(conf.DtlsRole))