From: dimke.fax@uni.de   
      
   Hi everyone,   
      
   for security purposes, I usually distinguish between higher and lower   
   risk users in Mandriva (and SuSE also).   
      
   I log in into X.11 / GDM / KDE as the user who needs maximum rights, and   
   other users which I need for firefox with flash contents (for webbased   
   learning, video conferences etc) are just logged in via shell window and   
   "su - newuser" and then starting firefox or opera under that user.   
      
   This works fine and any attack would run only with very limited user   
   rights, but in this case I cannot access /dev/dsp etc from this new   
   user.   
      
   It seems to me that access to audio devices is set via ACL during   
   logging in into graphical session.   
      
   Any trick to set these rights for other (su - ...) users also?   
      
   Help or ideas greatly appreciated!   
      
   Thanks,   
   best regards,   
      
   Markus   
      
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