Set "networking.tcpcrypt.enable = true;" to enable opportunistic TCP encryption
based on the user-space tools available from <http://tcpcrypt.org>.
Network attackers come in two varieties: passive and active (man-in-the-middle).
Passive attacks are much simpler to execute because they just require listening
on the network. Active attacks are much harder as they require listening and
modifying network traffic, often requiring very precise timing that can make
some attacks impractical.
Opportunistic encryption cannot protect against active attackers, but it *does*
protect against passive attackers. Furthermore, Tcpcrypt is powerful enough to
stop active attacks, too, if the application using it performs authentication.
A complete description of the protocol extension can be found at
<http://tools.ietf.org/html/draft-bittau-tcp-crypt-00>.
I.e., modules that use "require = [options]". Nowadays that should be
written as
{
options = { ... };
config = { ... };
};
Also, use "imports" instead of "require" in places where we actually
import another module.
This makes the system journal readable by users in the
systemd-journal, wheel and adm groups. It also allows users to read
their own journals.
Note that this doesn't change the permissions of existing journals.
This is in preparation of making a stable release/branch. The version
number is <YY>.<MM>, Ubuntu style, denoting the intended release
year/month. It also has a release codename ("Aardvark").
When spamd isn't running as 'root', it cannot access the usual ~/.spamassassin
path where user-specific files normally reside. Instead, we use the path
/var/lib/spamassassin-<user> to store those home directories.
* Add group 'networkmanager' and implement polkit configuration
that allows users in this group to make persistent, system-wide
changes to NetworkManager settings.
* Add support for ModemManager. 3G modems should work out of the
box now (it does for me...). This introduces a dependency on
pkgs.modemmanager.
* Write NetworkManger config file to Nix store, and let the
daemon use it from there.
