[TWN team] Recent changes to the wiki pages

[Lunar]

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=== https://trac.torproject.org/projects/tor/wiki/TorWeeklyNews/2014/28 ===
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version 20
Author: lunar
Date:   2014-07-15T14:56:19+00:00

   write about layered guards

--- version 19
+++ version 20
@@ -11,6 +11,43 @@
 
 Welcome to the sixteenth issue of Tor Weekly News in 2014, the weekly
 newsletter that covers what is happening in the Tor community.
+
+Defending against guard discovery attacks with layered rotation time
+--------------------------------------------------------------------
+
+Guard nodes are a key component of a Tor client’s anonymity. Once
+an attacker gain knowledge of which guard node is being used by a
+particular client, it's only a matter of monitoring before the actual
+client IP address is found.
+
+George Kadianakis has restarted the discussion on how to slow down
+guard discovery of hidden services [XXX] by exploring the idea of
+“keeping our middle nodes more static”. The idea is to slow down the
+attacks based on repeated circuit destruction by reusing the
+same “middle nodes for 3-4 days instead of choosing new ones for every
+circuit”. Introducing this new behaviour will slow down the attack,
+but George asks “are there any serious negative implications?”
+
+The idea is not new, as Paul Syverson pointed out [XXX]: “Lasse and I
+suggested and explored the idea of layered guards when we introduced
+guards”. He adds “there are lots of possibilities here”.
+
+George worries than middle nodes would then “always see your traffic
+coming through your guard (assuming a single guard per client)”. Ian
+Goldberg added “the exit will now know that circuits coming from the
+same middle are more likely to be the same client”. Restricting the
+change to only hidden services and not every clients mean that it will
+be “easy for an entry guard to learn whether a client has static middle
+nodes or not”.
+
+As George puts it the latest message in the thread [XXX]: “As always,
+more research is needed…” Please help!
+
+ [XXX]: https://bugs.torproject.org/9001
+ [XXX]: https://lists.torproject.org/pipermail/tor-dev/2014-July/007122.html
+ [XXX]: https://lists.torproject.org/pipermail/tor-dev/2014-July/007125.html
+ [XXX]: https://lists.torproject.org/pipermail/tor-dev/2014-July/007123.html
+ [XXX]: https://lists.torproject.org/pipermail/tor-dev/2014-July/007126.html
 
 More monthly status reports for June 2014
 -----------------------------------------
@@ -145,5 +182,4 @@
 
 Possible items:
 
- * Defending against guard discovery attacks by pinning middle nodes https://lists.torproject.org/pipermail/tor-dev/2014-July/007122.html
  * Tor incentives research roundup: GoldStar, PAR, BRAIDS, LIRA, TEARS, and TorCoin https://blog.torproject.org/blog/tor-incentives-research-roundup-goldstar-par-braids-lira-tears-and-torcoin

version 19
Author: lunar
Date:   2014-07-15T14:13:50+00:00

   add events

--- version 18
+++ version 19
@@ -122,14 +122,13 @@
 Upcoming events
 ---------------
 
-Jul XX-XX | Event XXX brief description
-          | Event City, Event Country
-          | Event website URL
-          |
-Jul XX-XX | Event XXX brief description
-          | Event City, Event Country
-          | Event website URL
-
+ July 15-19        | 14th Privacy Enhancing Technologies Symposium
+                   | Amsterdam, The Netherlands
+                   | https://petsymposium.org/2014/
+                   |
+ August 20-22      | Roger @ USENIX Security Symposium ’14
+                   | San Diego, California, USA
+                   | https://www.usenix.org/conference/usenixsecurity14
 
 This issue of Tor Weekly News has been assembled by XXX, XXX, and
 XXX.

version 18
Author: lunar
Date:   2014-07-15T13:53:50+00:00

   more mirrors

--- version 17
+++ version 18
@@ -83,14 +83,17 @@
  [XXX]: https://lists.torproject.org/pipermail/tor-reports/2014-July/000590.html
 
 Thanks to the University of Edinburgh’s School of Informatics [XXX],
-funcube.fr [XXX], Stefano Fenoglio [XXX], IP-Connect [XXX], and Justin
-Ramos [XXX] for running mirrors of the Tor Project website!
+funcube.fr [XXX], Stefano Fenoglio [XXX], IP-Connect [XXX], Justin
+Ramos [XXX], Jacob Henner from Anatomical Networks [XXX], and
+Hackabit.nl [XXX] for running mirrors of the Tor Project website!
 
  [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000623.html
  [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000624.html
  [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000627.html
  [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000632.html
  [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000633.html
+ [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000634.html
+ [XXX]: https://lists.torproject.org/pipermail/tor-mirrors/2014-July/000638.html
 
 Tor help desk roundup
 ---------------------



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