I have some problem with the permissions of bugzilla. I hope someone can helps me.

I have some groups of users who only have permissions to view and edit bugs of their own product.

This product is configurated for this group as:
Edit Group Access Controls: Group_Name: Mandatory/Mandatory, ENTRY, CANEDIT, canconfirm, editbugs

I thought that The users who belongs to this group_name can view and edit the bugs of this product, but I don't succed in it.

Someone can help me, please?