I can not connect to u-boot cvs.

I try and get error message following:

[root@ertos12 temp]# cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/u-boot login

Logging in to :pserver:anonymous@cvs.sourceforge.net:2401/cvsroot/u-boot

CVS password:

cvs [login aborted]: end of file from server (consult above messages if any)

[root@ertos12 temp]#

Whar's problem? I don't know what's problem..

Please.. Help me.