this problem Ticket#2013020666001015 fixed in rc10?replied. looks like issue is fixed in rc10Ticket#2013021366000842Ansy, Bakula, Jetrider, please write to support with information how we could connect to your router with Winbox and test this.
video + supout.rif + access to demo router
ip firewall filter add src-address-list=!EXEPTION_1