Question : Problem: CD-writer: write permission using filter driver

questions relating to CD writer(in windows XP) , filter driver .
1) which driver is used by the cd-writer?
2) using filter driver can i block the write permission for a cd-writer?

Answer : Problem: CD-writer: write permission using filter driver

do you mean this filter driver?
http://www.microsoft.com/whdc/driver/filterdrv/default.mspx

ant way, NERO have small app call NERO burnright
http://www.nero.com/nero6/eng/Nero_BurnRights.html

you can use it to manage the use of cd-writer.( with the nero app...)