access from everywhere but localhost?

[Matthias Leopold]

hi,

this surely is a beginners question:

i already created a user and privileges like this:

GRANT ALL PRIVILEGES ON `xxx`.* TO 'yyy'@'%' identified by 'zzz';

how do i modify this setup to remove access from localhost/127.0.0.1?

mysql version is 5.1.49

thx
matthias