Try to enable upnp on mesh

src/freedombone-client

   echo "    iptables -A INPUT -p tcp --dport $TRACKER_PORT -j ACCEPT" >> $batman_script
   echo "    iptables -A INPUT -p udp --dport 1900 -j ACCEPT" >> $batman_script
   echo "    iptables -A INPUT -p tcp --dport 80 -j ACCEPT" >> $batman_script
+  echo "    iptables -A INPUT -p udp -m udp -j ACCEPT" >> $batman_script
   echo '' >> $batman_script
   echo '    if [ -f /bin/systemctl ]; then' >> $batman_script
   echo '        systemctl restart avahi-daemon' >> $batman_script
   echo "    iptables -D INPUT -p tcp --dport $TRACKER_PORT -j ACCEPT" >> $batman_script
   echo "    iptables -D INPUT -p udp --dport 1900 -j ACCEPT" >> $batman_script
   echo "    iptables -D INPUT -p tcp --dport 80 -j ACCEPT" >> $batman_script
+  echo "    iptables -D INPUT -p udp -m udp -j ACCEPT" >> $batman_script
   echo '' >> $batman_script
   echo '    if [ -f /bin/systemctl ]; then' >> $batman_script
   echo '        systemctl restart network-manager' >> $batman_script