Update WebRTC server operation in closed docker containers

internal/webrtc/candidates.go

@@ -7,6 +7,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/api/ws"
 	"github.com/AlexxIT/go2rtc/pkg/core"
 	"github.com/AlexxIT/go2rtc/pkg/webrtc"
+	"github.com/AlexxIT/go2rtc/pkg/xnet"
 	pion "github.com/pion/webrtc/v3"
 )
 
@@ -73,6 +74,11 @@ func FilterCandidate(candidate *pion.ICECandidate) bool {
 		return false
 	}
 
+	// remove any Docker-like IP from candidates
+	if ip := net.ParseIP(candidate.Address); ip != nil && xnet.Docker.Contains(ip) {
+		return false
+	}
+
 	// host candidate should be in the hosts list
 	if candidate.Typ == pion.ICECandidateTypeHost && filters.Candidates != nil {
 		if !core.Contains(filters.Candidates, candidate.Address) {

internal/webrtc/webrtc.go

@@ -24,7 +24,7 @@ func Init() {
 		} `yaml:"webrtc"`
 	}
 
-	cfg.Mod.Listen = ":8555/tcp"
+	cfg.Mod.Listen = ":8555"
 	cfg.Mod.IceServers = []pion.ICEServer{
 		{URLs: []string{"stun:stun.l.google.com:19302"}},
 	}