Revert "more selinux config"

This reverts commit d6003dd627e2f0a9379ddbfea6674c1240bf2e04.
Revert "revert ppp update config"

This reverts commit 66f3a16938991c5059f336425d4941582dc7c436.
Revert "update ppp config"

This reverts commit ff72d628517a41e289365f7d438df2353a02d751.