http://fedoraproject.org/wiki/Hardened_Packages page mentions
that "FESCo requires some packages to use PIE and relro hardening by
It would be great if this list could be expanded to include even more
packages which are at comparatively more risk of being exploited (locally
Such packages will typically include various system daemons, network
daemons and network enabled applications.
Lot of network daemons are already using PIE and RELRO (e.g. httpd,
MariaDB). So a natural question is why packages in same "network
daemons" class like PostgreSQL, Dovecot and MongoDB aren't being
1. Hardening flags should be turned on (by default) for all packages
which are at comparatively more risk of being exploited or which meet
some well-defined criteria (suggestions welcome).
"Packaging Guidelines" say that "Other packages may enable the flags at
the maintainer's discretion."
Thinking from a security perspective, I find "Hardening flags can only
be disabled for other packages at the maintainer's discretion provided
enough justification is given to FESCo" to be more appropriate.