static void Main(string[] args)
{
if (!STUNUtils.TryParseHostAndPort("stun.schlund.de:3478", out IPEndPoint stunEndPoint))
{
throw new Exception("Failed to resolve STUN server address");
}
STUNClient.ReceiveTimeout = 500;
STUNQueryFullResult queryResult;
try
{
queryResult = STUNClient.TryQuery(stunEndPoint, STUNQueryType.ExactNAT, true, NATTypeDetectionRFC.Rfc5780);
}
catch (STUNQueryErrorException ex)
{
throw new Exception("Query Error: " + ex.Error.ToString());
}
catch (STUNServerErrorException ex)
{
throw new Exception($"Server Error ({ex.ErrorCode}): {ex.ErrorPhrase}");
}
Console.WriteLine("PublicEndPoint: {0}", queryResult.PublicEndPoint);
Console.WriteLine("LocalEndPoint: {0}", queryResult.LocalEndPoint);
Console.WriteLine("NAT Type: {0}", queryResult.NATType);
}
static void Main(string[] args)
{
if (!STUNUtils.TryParseHostAndPort("stun.schlund.de:3478", out IPEndPoint stunEndPoint))
{
throw new Exception("Failed to resolve STUN server address");
}
STUNClient.ReceiveTimeout = 500;
var queryResult = STUNClient.Query(stunEndPoint, STUNQueryType.ExactNAT, true, NATTypeDetectionRFC.Rfc5780);
if (queryResult.QueryError != STUNQueryError.Success)
{
throw new Exception("Query Error: " + queryResult.QueryError.ToString());
}
Console.WriteLine("PublicEndPoint: {0}", queryResult.PublicEndPoint);
Console.WriteLine("LocalEndPoint: {0}", queryResult.LocalEndPoint);
Console.WriteLine("NAT Type: {0}", queryResult.NATType);
}
public STUNQueryResult GetAddress()
{
var stunServer = "stun.deltamediaplayer.com:3478";
if (!STUNUtils.TryParseHostAndPort(stunServer, out IPEndPoint stunEndPoint))
{
throw new Exception("Failed to resolve STUN server address");
}
STUNClient.ReceiveTimeout = 500;
var queryResult = STUNClient.Query(stunEndPoint, STUNQueryType.PublicIP, true);
if (queryResult.QueryError != STUNQueryError.Success)
{
throw new Exception("Query Error: " + queryResult.QueryError.ToString());
}
Console.WriteLine("STUN: PublicEndPoint: {0}", queryResult.PublicEndPoint);
Console.WriteLine("STUN: LocalEndPoint: {0}", queryResult.LocalEndPoint);
return(queryResult);
}
static P2pEndPoint GetExternalEndPoint(Socket socket)
{
// https://gist.github.com/zziuni/3741933
List <Tuple <string, int> > stunServers = new List <Tuple <string, int> >();
stunServers.Add(new Tuple <string, int>("stun.l.google.com", 19302));
stunServers.Add(new Tuple <string, int>("iphone-stun.strato-iphone.de", 3478));
stunServers.Add(new Tuple <string, int>("numb.viagenie.ca", 3478));
stunServers.Add(new Tuple <string, int>("s1.taraba.net", 3478));
stunServers.Add(new Tuple <string, int>("s2.taraba.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.12connect.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.12voip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.1und1.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.2talk.co.nz", 3478));
stunServers.Add(new Tuple <string, int>("stun.2talk.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.3clogic.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.3cx.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.a-mm.tv", 3478));
stunServers.Add(new Tuple <string, int>("stun.aa.net.uk", 3478));
stunServers.Add(new Tuple <string, int>("stun.acrobits.cz", 3478));
stunServers.Add(new Tuple <string, int>("stun.actionvoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.advfn.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.aeta-audio.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.aeta.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.alltel.com.au", 3478));
stunServers.Add(new Tuple <string, int>("stun.altar.com.pl", 3478));
stunServers.Add(new Tuple <string, int>("stun.annatel.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.antisip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.arbuz.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.avigora.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.avigora.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.awa-shima.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.awt.be", 3478));
stunServers.Add(new Tuple <string, int>("stun.b2b2c.ca", 3478));
stunServers.Add(new Tuple <string, int>("stun.bahnhof.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.barracuda.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.bluesip.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.bmwgs.cz", 3478));
stunServers.Add(new Tuple <string, int>("stun.botonakis.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.budgetphone.nl", 3478));
stunServers.Add(new Tuple <string, int>("stun.budgetsip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.cablenet-as.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.callromania.ro", 3478));
stunServers.Add(new Tuple <string, int>("stun.callwithus.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.cbsys.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.chathelp.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.cheapvoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.ciktel.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.cloopen.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.colouredlines.com.au", 3478));
stunServers.Add(new Tuple <string, int>("stun.comfi.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.commpeak.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.comtube.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.comtube.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.cope.es", 3478));
stunServers.Add(new Tuple <string, int>("stun.counterpath.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.counterpath.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.cryptonit.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.darioflaccovio.it", 3478));
stunServers.Add(new Tuple <string, int>("stun.datamanagement.it", 3478));
stunServers.Add(new Tuple <string, int>("stun.dcalling.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.decanet.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.demos.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.develz.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.dingaling.ca", 3478));
stunServers.Add(new Tuple <string, int>("stun.doublerobotics.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.drogon.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.duocom.es", 3478));
stunServers.Add(new Tuple <string, int>("stun.dus.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.e-fon.ch", 3478));
stunServers.Add(new Tuple <string, int>("stun.easybell.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.easycall.pl", 3478));
stunServers.Add(new Tuple <string, int>("stun.easyvoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.efficace-factory.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.einsundeins.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.einsundeins.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.ekiga.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.epygi.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.etoilediese.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.eyeball.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.faktortel.com.au", 3478));
stunServers.Add(new Tuple <string, int>("stun.freecall.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.freeswitch.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.freevoipdeal.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.fuzemeeting.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.gmx.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.gmx.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.gradwell.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.halonet.pl", 3478));
stunServers.Add(new Tuple <string, int>("stun.hellonanu.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.hoiio.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.hosteurope.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.ideasip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.imesh.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.infra.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.internetcalls.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.intervoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.ipcomms.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.ipfire.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.ippi.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.ipshka.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.iptel.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.irian.at", 3478));
stunServers.Add(new Tuple <string, int>("stun.it1.hr", 3478));
stunServers.Add(new Tuple <string, int>("stun.ivao.aero", 3478));
stunServers.Add(new Tuple <string, int>("stun.jappix.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.jumblo.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.justvoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.kanet.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.kiwilink.co.nz", 3478));
stunServers.Add(new Tuple <string, int>("stun.kundenserver.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.linea7.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.linphone.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.liveo.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.lowratevoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.lugosoft.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.lundimatin.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.magnet.ie", 3478));
stunServers.Add(new Tuple <string, int>("stun.manle.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.mgn.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.mit.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.mitake.com.tw", 3478));
stunServers.Add(new Tuple <string, int>("stun.miwifi.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.modulus.gr", 3478));
stunServers.Add(new Tuple <string, int>("stun.mozcom.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.myvoiptraffic.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.mywatson.it", 3478));
stunServers.Add(new Tuple <string, int>("stun.nas.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.neotel.co.za", 3478));
stunServers.Add(new Tuple <string, int>("stun.netappel.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.netappel.fr", 3478));
stunServers.Add(new Tuple <string, int>("stun.netgsm.com.tr", 3478));
stunServers.Add(new Tuple <string, int>("stun.nfon.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.noblogs.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.noc.ams-ix.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.node4.co.uk", 3478));
stunServers.Add(new Tuple <string, int>("stun.nonoh.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.nottingham.ac.uk", 3478));
stunServers.Add(new Tuple <string, int>("stun.nova.is", 3478));
stunServers.Add(new Tuple <string, int>("stun.nventure.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.on.net.mk", 3478));
stunServers.Add(new Tuple <string, int>("stun.ooma.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.ooonet.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.oriontelekom.rs", 3478));
stunServers.Add(new Tuple <string, int>("stun.outland-net.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.ozekiphone.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.patlive.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.personal-voip.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.petcube.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.phone.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.phoneserve.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.pjsip.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.poivy.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.powerpbx.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.powervoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.ppdi.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.prizee.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.qq.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.qvod.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.rackco.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.rapidnet.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.rb-net.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.refint.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.remote-learner.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.rixtelecom.se", 3478));
stunServers.Add(new Tuple <string, int>("stun.rockenstein.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.rolmail.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.rounds.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.rynga.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.samsungsmartcam.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.schlund.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.services.mozilla.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.sigmavoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.sip.us", 3478));
stunServers.Add(new Tuple <string, int>("stun.sipdiscount.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.sipgate.net", 10000));
stunServers.Add(new Tuple <string, int>("stun.sipgate.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.siplogin.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.sipnet.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.sipnet.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.siportal.it", 3478));
stunServers.Add(new Tuple <string, int>("stun.sippeer.dk", 3478));
stunServers.Add(new Tuple <string, int>("stun.siptraffic.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.skylink.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.sma.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.smartvoip.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.smsdiscount.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.snafu.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.softjoys.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.solcon.nl", 3478));
stunServers.Add(new Tuple <string, int>("stun.solnet.ch", 3478));
stunServers.Add(new Tuple <string, int>("stun.sonetel.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.sonetel.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.sovtest.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.speedy.com.ar", 3478));
stunServers.Add(new Tuple <string, int>("stun.spokn.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.srce.hr", 3478));
stunServers.Add(new Tuple <string, int>("stun.ssl7.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.stunprotocol.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.symform.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.symplicity.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.sysadminman.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.t-online.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.tagan.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.tatneft.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.teachercreated.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.tel.lu", 3478));
stunServers.Add(new Tuple <string, int>("stun.telbo.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.telefacil.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.tis-dialog.ru", 3478));
stunServers.Add(new Tuple <string, int>("stun.tng.de", 3478));
stunServers.Add(new Tuple <string, int>("stun.twt.it", 3478));
stunServers.Add(new Tuple <string, int>("stun.u-blox.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.ucallweconn.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.ucsb.edu", 3478));
stunServers.Add(new Tuple <string, int>("stun.ucw.cz", 3478));
stunServers.Add(new Tuple <string, int>("stun.uls.co.za", 3478));
stunServers.Add(new Tuple <string, int>("stun.unseen.is", 3478));
stunServers.Add(new Tuple <string, int>("stun.usfamily.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.veoh.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.vidyo.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.vipgroup.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.virtual-call.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.viva.gr", 3478));
stunServers.Add(new Tuple <string, int>("stun.vivox.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.vline.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.vo.lu", 3478));
stunServers.Add(new Tuple <string, int>("stun.vodafone.ro", 3478));
stunServers.Add(new Tuple <string, int>("stun.voicetrading.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voip.aebc.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voip.blackberry.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voip.eutelia.it", 3478));
stunServers.Add(new Tuple <string, int>("stun.voiparound.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipblast.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipbuster.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipbusterpro.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipcheap.co.uk", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipcheap.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipfibre.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipgain.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipgate.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipinfocenter.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipplanet.nl", 3478));
stunServers.Add(new Tuple <string, int>("stun.voippro.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipraider.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipstunt.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipwise.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voipzoom.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.vopium.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voxgratia.org", 3478));
stunServers.Add(new Tuple <string, int>("stun.voxox.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.voys.nl", 3478));
stunServers.Add(new Tuple <string, int>("stun.voztele.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.vyke.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.webcalldirect.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.whoi.edu", 3478));
stunServers.Add(new Tuple <string, int>("stun.wifirst.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.wwdl.net", 3478));
stunServers.Add(new Tuple <string, int>("stun.xs4all.nl", 3478));
stunServers.Add(new Tuple <string, int>("stun.xtratelecom.es", 3478));
stunServers.Add(new Tuple <string, int>("stun.yesss.at", 3478));
stunServers.Add(new Tuple <string, int>("stun.zadarma.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.zadv.com", 3478));
stunServers.Add(new Tuple <string, int>("stun.zoiper.com", 3478));
stunServers.Add(new Tuple <string, int>("stun1.faktortel.com.au", 3478));
stunServers.Add(new Tuple <string, int>("stun1.l.google.com", 19302));
stunServers.Add(new Tuple <string, int>("stun1.voiceeclipse.net", 3478));
stunServers.Add(new Tuple <string, int>("stun2.l.google.com", 19302));
stunServers.Add(new Tuple <string, int>("stun3.l.google.com", 19302));
stunServers.Add(new Tuple <string, int>("stun4.l.google.com", 19302));
stunServers.Add(new Tuple <string, int>("stunserver.org", 3478));
Console.WriteLine("Contacting STUN servers to obtain your IP");
foreach (Tuple <string, int> server in stunServers)
{
string host = server.Item1;
int port = server.Item2;
if (!STUNUtils.TryParseHostAndPort($"{host}:{port}", out IPEndPoint stunEndPoint))
{
continue;
}
STUNQueryResult stunResult = STUNClient.Query(socket, stunEndPoint, STUNQueryType.ExactNAT, NATTypeDetectionRFC.Rfc3489);
if (stunResult.QueryError != STUNQueryError.Success)
{
continue;
}
Console.WriteLine("Your firewall is {0}", stunResult.NATType);
return(new P2pEndPoint()
{
External = stunResult.PublicEndPoint,
Internal = socket.LocalEndPoint as IPEndPoint
});
}
Console.WriteLine("Could not find a working STUN server");
return(null);
}
