commit 0e7b0b7bf5b800ae99beebc0fdf58fef8337cee0 Author: traumschule traumschuleriebau@riseup.net Date: Sun Aug 19 23:25:31 2018 +0200

onion services: add v3 manual from wiki (fixes #24880) --- docs/en/tor-onion-service.wml | 124 ++++++++++++++++++++++++++++++++++++++---- 1 file changed, 112 insertions(+), 12 deletions(-)

diff --git a/docs/en/tor-onion-service.wml b/docs/en/tor-onion-service.wml index 8fc9e894..7ef903e1 100644 --- a/docs/en/tor-onion-service.wml +++ b/docs/en/tor-onion-service.wml @@ -134,8 +134,9 @@ <pre> HiddenServiceDir C:\Users\username\Documents\tor\hidden_service HiddenServicePort 80 127.0.0.1:8080 </pre>

- <p>Note that since 0.2.6, both <var>SocksPort</var> and <var>HiddenServicePort</var> support Unix sockets. - This means that you can point the <var>HiddenServicePort</var> to a Unix socket:</p> + <p>Note that since 0.2.6, both <var>SocksPort</var> and <var>HiddenServicePort</var> + support Unix sockets. This means that you can point the <var>HiddenServicePort</var> + to a Unix socket:</p> <pre> HiddenServiceDir /Library/Tor/var/lib/tor/hidden_service/ HiddenServicePort 80 unix:/path/to/socket @@ -199,8 +200,8 @@ service, just add more <var>HiddenServicePort</var> lines. If you want to run multiple onion services from the same Tor client, just add another <var>HiddenServiceDir</var> line. All the following - <var>HiddenServicePort</var> lines refer to this <var>HiddenServiceDir</var> line, until - you add another <var>HiddenServiceDir</var> line: + <var>HiddenServicePort</var> lines refer to this <var>HiddenServiceDir</var> + line, until you add another <var>HiddenServiceDir</var> line: </p>

<pre> @@ -212,13 +213,13 @@ HiddenServicePort 22 127.0.0.1:22 </pre>

- <p>Onion services operators need to practice proper operational security - and system administration to maintain security. For some security - suggestions please make sure you read over Riseup's <a - href="https://help.riseup.net/en/security/network-security/tor/onionservices-best-... - Hidden (Onion) Services Best Practices" document</a>. Also, here are some - more anonymity issues you should keep in mind: - + <p>Onion services operators need to practice proper + <a href="https://trac.torproject.org/projects/tor/wiki/doc/OperationalSecurity"> + operational security</a> and system administration to maintain security. + For some security suggestions please make sure you read over Riseup's + <a href="https://help.riseup.net/en/security/network-security/tor/onionservices-best-practices"> + "Tor Hidden (Onion) Services Best Practices" document</a>. + Also, here are some more anonymity issues you should keep in mind: </p> <ul> <li>As mentioned above, be careful of letting your web server reveal @@ -238,7 +239,13 @@

<p>Another common issue is whether to use HTTPS on your relay or not. Have a look at this <a - href="https://blog.torproject.org/blog/facebook-hidden-services-and-https-certs%22...</a> on the Tor Blog to learn more about these issues. + href="https://blog.torproject.org/blog/facebook-hidden-services-and-https-certs%22...</a> + on the Tor Blog to learn more about these issues. + </p> + + <p>You can use <a href="https://stem.torproject.org">stem</a> to + <a href="https://stem.torproject.org/tutorials/over_the_river.html"> + automate the management of your onion services</a>. </p>

<p>Finally, feel free to use the <a @@ -246,6 +253,99 @@ mailing list</a> to discuss the secure administration and operation of Tor onion services.</p>

+ <hr> + <a id="four"></a> + <h2><a class="anchor" href="#four">Step Four: Set up next-gen (v3) onions</a></h2> + <br> + +​ <p>Since Tor 0.3.2 and + <a href="https://blog.torproject.org/tor-browser-75a5-released">Tor Browser + 7.5.a5</a> 56 bit long v3 onion addresses are supported and should be used + instead. This newer version of onion services ("v3") features many + improvements over the legacy system: + </p> + <ul> + <li>Better crypto (replaced SHA1/DH/RSA1024 with SHA3/ed25519/curve25519)</li> + <li>Improved directory protocol, leaking much less information to directory servers.</li> + <li>Improved directory protocol, with smaller surface for targeted attacks.</li> + <li>Better onion address security against impersonation.</li> + <li>More extensible introduction/rendezvous protocol.</li> + <li>A cleaner and more modular codebase.</li> + </ul> + <p>For details see + <a href="https://trac.torproject.org/projects/tor/wiki/doc/HiddenServiceNames"> + Why are v3 onions better?</a>. You can identify a next-generation onion + address by its length: they are 56 characters long, as in + <var>4acth47i6kxnvkewtm6q7ib2s3ufpo5sqbsnzjpbi7utijcltosqemad.onion</a>. + + The specification for next gen onion services can be found + <a href="https://gitweb.torproject.org/torspec.git/tree/rend-spec-v3.txt"> + here</a>. + </p> + + <h3>How to setup your own prop224 service</h3> + + <p>It's easy! Just use your ​<a href"#two">regular onion service</a> torrc + and add <var>HiddenServiceVersion 3</var> in your onion service torrc block. + Here is an example torrc designed for testing: + </p> + <pre> +SocksPort auto + +HiddenServiceDir /home/user/tmp/hsv3 +HiddenServiceVersion 3 +HiddenServicePort 6667 127.0.0.1:6667 + </pre> + <p>Then your onion address is in <var>/home/user/tmp/hsv3/hostname</var>. + To host both a v2 and a v3 service using two onion service torrc blocks: + </p> + <pre> +HiddenServiceDir /home/user/tmp/hsv2 +HiddenServicePort 6667 127.0.0.1:6667 + +HiddenServiceDir /home/user/tmp/hsv3 +HiddenServiceVersion 3 +HiddenServicePort 6668 127.0.0.1:6667 + </pre> + + <p>Please note that tor is strict about directory permissions and does not + like to share its files. Make sure to restrict read and write access to the + onion services directory before restarting tor. For most linux based systems you can use: + </p> + <pre>chmod 700 -R /var/lib/tor</pre> + + <p>To restart tor it's safer to not use SIGHUP directly (see bug + <a href="https://trac.torproject.org/projects/tor/ticket/21818">#21818</a>), + but to check the validity of the config first. On Debian based systems the + services management tool does this for you:</p> + <pre> + service tor restart + </pre> + + <h3>How to help the next-gen onion development</h3> + + <p>Please let us know if you find any bugs! + We are still in testing & development stage so things are very liquid and + in active development. If you want to help with development, check out the list of + <a href="https://trac.torproject.org/projects/tor/query?status=!closed&keywords=~prop224&order=priority"> + open prop224 bugs</a>. + </p> + + <p>For researchers our wiki page + <a href="https://trac.torproject.org/projects/tor/wiki/doc/OnionServiceNamingSystems"> + Onion Service Naming Systems</a> could be of value. If you are more of the bug + hunting type, please check our code and spec for errors and inaccuracies. + We would be thrilled to know about them! + </p> + + <p>For debugging and to send us more helpful log files, turn on info logging: + </p> + <pre> +SafeLogging 0 +Log notice file /home/user/tmp/hs/hs.log +Log info file /home/user/tmp/hs/hsinfo.log + </pre> + </div> <!-- END MAINCOL --> <div id = "sidecol">