[Problem] Fritzbox 7390 Fon Wlan -- Portfreigabe -- Ziel nicht im Heimnetz ?!

Die Portfreigabe kann nicht erstellt oder aktiviert werden, da das Ziel nicht im Heimnetz liegt.

var net = ip.analyseNet(g_boxIp, g_boxNetmask);
if (!ip.addrInNet(net, clientStr)) {
for (var b=0; b < Math.ceil(net.net.length / 8); b++) {
var part = net.net.substr(b*8, 8);
if (ip.byteToBitstr(jxl.getValue(prefix+String(b))).substr(0,part.length) != part) {
mark(prefix+String(b));
}
}
return lib.outofnet;
}
if (ip.isNetAddr(net, clientStr)) {
mark(prefix + "3");
return lib.thenet;
}
if (ip.isBroadcast(net, clientStr)) {
mark(prefix + "3");
return lib.broadcast;
}
}
return res;
};
lib.checkIpNet = function(ipPrefix, netmaskPrefix, gatewayPrefix) {
var clientIp = ip.partsToQuad(ipPrefix);
var netmask = ip.partsToQuad(netmaskPrefix);
var gateway = ip.partsToQuad(gatewayPrefix);
var net = ip.analyseNet(clientIp, netmask);
if (ip.isNetAddr(net, clientIp)) {
mark(ipPrefix + "3");
return lib.thenet;
}
if (ip.isBroadcast(net, clientIp)) {
mark(ipPrefix + "3");
return lib.broadcast;
}
if (!ip.addrInNet(net, gateway)) {
for (var b=0; b < Math.ceil(net.net.length / 8); b++) {
var part = net.net.substr(b*8, 8);
if (ip.byteToBitstr(jxl.getValue(gatewayPrefix+String(b))).substr(0,part.length) != part) {
mark(gatewayPrefix+String(b));
}
}
return lib.outofnet;
}
if (ip.isNetAddr(net, gateway)) {
mark(gatewayPrefix + "3");
return lib.thenet;
}
if (ip.isBroadcast(net, gateway)) {
mark(gatewayPrefix + "3");
return lib.broadcast;
}
return lib.ok;
};