From 514e86eac49784a9d1090ff3979891b6b2548ae2 Mon Sep 17 00:00:00 2001
From: cnderrauber <zengjie9004@gmail.com>
Date: Thu, 26 Oct 2023 17:05:22 +0800
Subject: [PATCH] Don't filter out ipv6 address for client don't support prflx
 over relay (#2193)

candidate
---
 pkg/rtc/transport.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/rtc/transport.go b/pkg/rtc/transport.go
index 7d285eb27..1a20d6540 100644
--- a/pkg/rtc/transport.go
+++ b/pkg/rtc/transport.go
@@ -322,6 +322,9 @@ func newPeerConnection(params TransportParams, onBandwidthEstimator func(estimat
 			params.Logger.Infow("client doesn't support prflx over relay, use external ip only as host candidate", "ips", nat1to1Ips)
 			se.SetNAT1To1IPs(nat1to1Ips, webrtc.ICECandidateTypeHost)
 			se.SetIPFilter(func(ip net.IP) bool {
+				if ip.To4() == nil {
+					return true
+				}
 				ipstr := ip.String()
 				for _, inc := range includeIps {
 					if inc == ipstr {