29c3 HashDOS presentation slides (PDF)
Summary: MurmurHash still vulnerable, likewise Cityhash and Python’s hash — use SipHash
(tags: via:fanf cityhash siphash hash dos security hashdos murmurhash)
Scaling Crashlytics: Building Analytics on Redis 2.6
How one analytics/metrics co is using Redis on the backend
(tags: analytics redis presentation metrics)
Systemd, systemd-nspawn, and namespaces for Linux service compartmentalization
“Using ReadOnlyDirectories= andInaccessibleDirectories= you may setup a file system namespace jail for your service. Initially, it will be identical to your host OS’ file system namespace. By listing directories in these directives you may then mark certain directories or mount points of the host OS as read-only or even completely inaccessible to the daemon.”
(tags: security systemd jails namespaces linux compartmentalisation)