1 our darknet and its bright spots building connections for spaces and people
2 Overview Who are we? What are we talking about? Why should you care? Where are we going with this? When can I join?
3 Who are we? Eric Michaud - TOOOL US, HacDC, PS:One, hackerspaces.org aestetix - OpenAMD/Sputnik, Noisebridge mc.fly - ChaosVPN, CCCHH equinox - dn42, sublab
4 The Usual Suspects Who do we have here in the audience?
5 What are we talking about? Double fudge cookies?
6 What are we talking about? Double fudge cookies? Long walks in the rain?
7 What are we talking about? Double fudge cookies? Long walks in the rain? Raiding the Saturn with TV-B-Gones?
8 What are we talking about? Double fudge cookies? Long walks in the rain? Oh right!?! Networks! Raiding the Saturn with TV-B-Gones?
9 What are we talking about? NETWORKS!
10 Why should you care? Do you find it hard to connect your friends? Test new protocols? Your bandwidth being squeezed? Just have fun? CTFs? Basic Research?
11 Community is just good. It s great to share, it s how we all grow. We also stand on the shoulders of giants.
12 So to sum it up We need a way to share with each other. Networks are a great way to do this. Very little setup and maintenance. Free collaboration for everyone involved.
13 So let s get technical!
14 Networks Involved dn42 ChaosVPN ( Beta ) Agora Link
15 Targets and requirements Our project has several goals: Privacy no one looking in our traffic Community connect with friends Availability solid uptime Speed as fast as possible Easy to use maintenance is simple Neighborly join our friends, block our enemies
16 Privacy Some projects aren t ready yet, research takes time!
17 Community We want to be able to share ideas and projects with our friends.
18 Availability The network needs to be available. The best way to reach that is to avoid single points of failure. That means if a node fails not the whole network shall fail.
19 Speed A fast paced society demands a fast paced network. Fast in network terms can be Bandwidth Multimedia requires high bandwidth Latency Voice communication and games require low latency everyone talks to everyone mesh
20 Easy to Use The network should be easy to configure. Nodes should be able to join or leave the network without a sysadmin This requires an automated update solution.
21 Neighborly To be with our friends, we need to connect Targets are hackerspaces, community zones, clubs, shared apartments... Abstracted they can be seen as networks of different sizes.
22 An idea about solutions So we want a mesh based encrypted and authenticated private network that administrates itself. Easy right?!?!
23 Solutions that won t work OpenVPN Classical client/server model Centralized
24 Solutions that won t work Tor - The Onion Router Too slow, encryption/decryption at every hop We are not concerned with anonymity within the darknet, as we already trust everyone
25 Solutions that won t work Freenet Decentralized network mainly focused on anonymity and filesharing Good for filesharing, but what about irc, skype, and new protocols we want to integrate?
26 Solutions that won t work MRN VPN OpenVPN Server Mode SPOFs, sub-optimal routing unrelieable down
27 the dn42 approach Started as a BGP playground, now it s being used to connect people use point to point links openvpn, IPSec,... put BGP on them, do dynamic routing
28 shaken, not stirred ca. 55 entities on the list around 140 tunnels that s people and spaces 70 IPv4 prefixes, 40 IPv6 prefixes
30 participants grab an IP subnet from /15 a private BGP ASN also, the wiki is t3h rulez an IPv6 network from anywhere Some people have official numbers...
31 peerings are made whenever two people agree to peer and they agree on the parameters and they set it up most people follow a common scheme -but why should anyone restrict anyone s choices?
32 we can haz network quite social network (take that, facebook) ask your peers for services bring you friends to the network
33 we can haz network quite social network (take that, facebook) ask your peers for services bring you friends to the network damn, I forgot to embed a Ponzi scheme
34 we can really HAZ network founder dropped for half a year, nothing happened boxes went down and weren t rebuilt, nothing happened friends nag you to fix your connection
35 semantics a bit like IRC: servers form links participating servers agree on rules servers tend not to die, but netsplits are possible
36 chaosvpn first setup by hamburg. ccc. de used tinc mostly ccc based haegar wrote perl based update script works mostly fine perl not available on most routers many nodes did not update problems
37 update.pl download a configuration file from vpn.hamburg.ccc.de decode sanity checks generate tinc configs (re)start tinc
38 chaosvpn 2.0 Rewrite of the perl update code in c with some improvements so it fits on routers Few requirements, dependency to keep lightweight Mostly done by ryd, hc and Haegar with more help from the USA, namely Cinus, Cheryl, John Doe
39 and further Road map better authentication, certificate handling more pull nodes OpenWRT package one network on every of the 4 ports
40 Current Projects freifunk no automatic updates leading to network issues Agora Link / ChaosVPN hackerspaces network warzone research network between research groups enter at your own risk
41 freifunk Used to connect the clouds inter-city like Usually runs on small routers The perl issue No automatic updates, leading to issues like netsplits Partly working
42 Agora North American hackerspaces involved: NYC Resistor (NYC) Noisebridge (San Francisco) PS:One (Chicago) CCCKC (Kansas City) People / Academia More to come
43 chaosvpn CCC Hamburg CCC Hanover Links to CCC Koeln and Berlin t42 Used to transport Chaos Phone earlier hackint irc node people
44 Use Cases VOIP (Chaosphone) media broadcasting, talk streaming making HPC Accesseable cloud computing Internal Sites/Services/Webpages
45 Warzone Playground for security groups: CTFs!!1! University groups Security groups Hackerspaces who want to play Next generation research platform
46 Ubermensch Recap We found a problem to communicate and we tackled it! The network IS UP! We need you! Have resources to share? Contact us!
47 Outro Projects in the future: Global VoIP HPC Computing Media Multicasting CTFs
48 THX Many thanks to: haegar, ryd, hc, winni, OpenWRT helios, jchome, ichdasich, frapzzt, wintix, Crest
49 Where to Join - (BETA)North America dn42.net ChaosVPN - wiki.hamburg.ccc.de
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