Disable ipv6 on tracker

src/freedombone

   echo 'User=tracker' >> /etc/systemd/system/tracker.service
   echo 'Group=tracker' >> /etc/systemd/system/tracker.service
   echo 'WorkingDirectory=/opt/tracker' >> /etc/systemd/system/tracker.service
-  echo "ExecStart=bttrack --port $TRACKER_PORT --dfile /opt/tracker/dstate --logfile /opt/tracker/tracker.log --nat_check 0 --scrape_allowed full" >> /etc/systemd/system/tracker.service
+  echo "ExecStart=bttrack --port $TRACKER_PORT --dfile /opt/tracker/dstate --logfile /opt/tracker/tracker.log --nat_check 0 --scrape_allowed full --ipv6_enabled 0" >> /etc/systemd/system/tracker.service
   echo '' >> /etc/systemd/system/tracker.service
   echo 'TimeoutSec=300' >> /etc/systemd/system/tracker.service
   echo '' >> /etc/systemd/system/tracker.service

src/freedombone-meshweb

 	if [ ! -d ~/.bttrack ]; then
 		mkdir ~/.bttrack
 	fi
-    bttrack --port ${TRACKER_PORT} --dfile ~/.bttrack/dstate --logfile ~/.bttrack/tracker.log --nat_check 0 --scrape_allowed full &
+    bttrack --port ${TRACKER_PORT} --dfile ~/.bttrack/dstate --logfile ~/.bttrack/tracker.log --nat_check 0 --scrape_allowed full --ipv6_enabled 0 &
 fi
 
 zeronetavahi