security updates

sys/apps/netdaemon.lua

@@ -14,6 +14,7 @@ if not device.wireless_modem then
 end
 
 print('Net daemon starting')
+device.wireless_modem.closeAll()
 
 for _,file in pairs(fs.list('sys/apps/network')) do
 	local fn, msg = Util.run(_ENV, 'sys/apps/network/' .. file)