multiplayer can't log in

my multiplayer stopt woorking when i uppdated to 1.5.1 i can go into the multiplayer but every server appers as a server that isen't open. even i know it is open. i have tryed to refreshd, force uppdatet again, moved around in the house, because i thugt maby it was my internett, but i have ben to frends and they did have good internet conection. i think maby it is my user?