http://uhwikizevog5aj4aiepeseafcxqamnzrpdmnnxaj7y2ek3am4vdoilqd.onion/index.php?title=Increase_anonymity_protection_with_SELinux
Otherwise, if you share your system between different activities and use a RHEL-based Linux distribution, you may follow this guide to make your browsing sessions more secure. First of all, SELinux is a pretty hard-to-understand thing, so I won't go into technical details too much. Basically, think about SELinux as an additional security layer on top of the usual POSIX rights set on files, directories and other filesystem objects.