[cvsnt] I can't set permission for Client !

[Le Quoc Thai]

Hi everyone !
   
  My OS on Server and Clients : WinXP (Pro-XP2)
  CVSNT Server and Client : 2.5.03 build 2382
  I create directory is : MyProject (inside Repository)
   
  I were added user named : "lissa" by 
        cvs passwd -a lissa
   
  and I set permission for that user :
        cvs chacl -a read -u lissa MyProject
   
  but on PC client that user name's : lissa still can write, commit changes !
   
  Have I mistakes ? Please help me to solve it !

 		
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