SPF is the technology that assures that mail only arrives from authentic
senders. One problem remains that slows down its introduction as a
hard filter, and that is email forwarding. This article nails the
integration of SPF with forwarding.
The TLS protocol is usually considered as a black box that somehow
bestows security. But like any other protocol, it is a sequence of
bits and bytes. This article explains how a bit more depth about the
protocol is helpful to understand how it can be split into two
dramatically different components; and how this can be incredibly useful
from an operational perspective.
In several places of the InternetWide Architecture, we use LDAP as our
data protocol — because it is the most refined standard protocol
for digging around in data. What we haven't yet discussed is how its
privacy compares to, say, HTTP.
All our work on identity must somehow end up benefiting applications. One of
most interesting bits of software to do this is a frontend proxy. As so often,
we find a few parts missing to complete our vision of a better-unified Internet.