You can use selinux for that.
In Fedora there is an application called sandbox that help you with that
e.g. see http://www.bress.net/blog/archives/195-Firefox-in-a-sandbox-...
In Fedora there is an application called sandbox that help you with that
e.g. see http://www.bress.net/blog/archives/195-Firefox-in-a-sandbox-...
The author is mia from the bug and seems to have given up: https://danwalsh.livejournal.com/72697.html