sys-cluster/ceph: fix "RGW Denial of Service" security bug
reasons for why p.mask them instead of removing:
ceph has kind of picky upgrade path for new versions.
for example, users want an online upgrade to 10.x while they are still using
old version (<0.94.x), need to upgrade to 0.94.x/9.x first, then upgrade 10.x
http://docs.ceph.com/docs/master/release-notes/
search: Upgrading from Firefly
Closes: https://github.com/gentoo/gentoo/pull/3394
Gentoo-Bug: 598206
Signed-off-by: Yixun Lan <dlan@gentoo.org>