* Extreme terrestrial environments, no link: UsecaseNoLink.
* Private, isolated MitM/Sybil-resistant networks: UsecaseF2F.
* Highly secure isolated air-gap computers: UsecaseAirgap.
-* Network censorship bypassing: UsecaseCensor.
+* Network censorship bypassing, health: UsecaseCensor.
* Reconnaissance, spying, intelligence, covert agents: UsecaseSpy.
@end menu
yet. Also you must have secure link (SSH, VPN, etc).
Another possibility is to use POP3/IMAP4 servers, but this is too
-overcomplicated and bloated for the simple task. Not an option. KISS!
+overcomplicated and bloated for the simple task. Not an option.
+@url{https://en.wikipedia.org/wiki/KISS_principle, KISS}!
Just tell both of your Postfixes (on the server and notebook) to drop
email as a mail via NNCP (@ref{nncp-mail}) to specified node. This is
% nncp-file another_file bob:movie.avi
@end verbatim
-will queue two files for sending to @code{emph} node. Fire and forget!
-Now this is daemon's job (or offline transfer) to send this file part by
-part to remote system when it is available.
+will queue two files for sending to @emph{bob} node. Fire and forget!
+Now this is daemon's job (or offline transfer) to send this files part
+by part to remote system when it is available.
@node UsecaseQoS
@section Slow/expensive link for high-volume data, bad QoS
(for example when running for the first time).
If you use single storage device to transfer data both to @emph{bob} and
-@emph{alice}, then just omit @option{-node} option to copy all existing
-outgoing packets to that storage device.
+@emph{alice}, then just omit @option{-node} option to copy all available
+outgoing packets.
@verbatim
% nncp-xfer /media/usbstick
@end verbatim
-Unmount it and transfer somehow to Bob and Alice. When they will insert
+Unmount it and transfer storage to Bob and Alice. When they will insert
it in their computers, they will use exactly the same command:
@verbatim
@end verbatim
to find all packets related to their node and copy them locally for
-further processing. nncp-xfer is the only command used with removable
-devices.
+further processing. @command{nncp-xfer} is the only command used with
+removable devices.
@node UsecaseF2F
@section Private, isolated MitM/Sybil-resistant networks
endpoint, and other carrying it for intermediate relaying node.
Pay attention that relaying node knows nothing about the packet inside,
-but just its size and priority. Transition packets are encrypted too.
-@emph{bob} can not read @emph{bob-airgap}'s packets.
+but just its size and priority. Transition packets are encrypted too:
+using well-known @url{https://en.wikipedia.org/wiki/Onion_routing, onion
+routing} technology. @emph{bob} can not read @emph{bob-airgap}'s packets.
@node UsecaseCensor
-@section Network censorship bypassing
+@section Network censorship bypassing, health
This is some kind of bad link too. Some governments tend to forbid
@strong{any} kind of private communication between people, allowing only
entertainment content delivering and popular social networks access
(that are already bloated with advertisements, locally executed
-proprietary JavaScript code (for spying on user activities, collect data
-on them), shamelessly exploiting the very basic human need of communication).
+@url{https://www.gnu.org/philosophy/free-sw.html, proprietary}
+JavaScript code (for spying on user activities, collect data on them),
+shamelessly exploiting the very basic human need of communication).
This is their natural wish. But nobody forces you to obey huge
corporations like Apple, Google or Microsoft. It is your choice to
Those guys know how Internet is a dangerous place incompatible with
privacy. They require quick, fast dropping and picking of data. No
possibility of many round-trips -- just drop the data, fire-and-forget.
-It could be either removable media again, or
-@url{https://en.wikipedia.org/wiki/USB_dead_drop, USB dead drops}, or
-@url{https://en.wikipedia.org/wiki/PirateBox, PirateBox}es, or
+It could be either removable media again and/or
+@url{https://en.wikipedia.org/wiki/USB_dead_drop, USB dead drops},
+@url{https://en.wikipedia.org/wiki/PirateBox, PirateBox}es,
@url{https://en.wikipedia.org/wiki/Short-range_agent_communications, SRAC}.
Short lived short range networks like Bluetooth and WiFi can also
be pretty fast, allowing to quickly fire chunks of queued packets.
@ref{Encrypted, encrypted} (but unfortunately lacking forward secrecy).
No filenames, mail recipients are seen.
-All communications are done with so-called @ref{Spool, spool} area:
+All node communications are done with so-called @ref{Spool, spool} area:
directory containing only those unprocessed encrypted packets. After
packet transfer you still can not read any of them: you have to run
another stage: @ref{nncp-toss, tossing}, that involves your private
with it (don't you?), you do not "toss" those packets immediately on the
same device. Tossing (reading those encrypted packets and extracting
transferred files and mail messages) could and should be done on a
-separate computer.
+separate computer (@ref{nncp-mincfg} command could help creating
+configuration file without private keys for that purpose).