PolicyKit: looser limitations, tighter security for Linux applications
We’re used to think of system-enforced access policies as crude and coarse-grained, such as the setuid permission bit that lets a user execute a program as the file’s owner. Fine-grained access has to be enforced by individual applications, a laborious coding process that is weakened by not being able to take advantage of underlying operation system security. PolicyKit, developed by Red Hat and included in Fedora 8, ameliorates this unsatisfactory situation.
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