David Goulet 9f738be893 hs: Limit the amount of relayed INTRODUCE2
This commit add the hs_dos.{c|h} file that has the purpose of having the
anti-DoS code for onion services.

At this commit, it only has one which is a function that decides if an
INTRODUCE2 can be sent on the given introduction service circuit (S<->IP)
using a simple token bucket.

The rate per second is 25 and allowed burst to 200.

Basic defenses on #15516.

Signed-off-by: David Goulet <dgoulet@torproject.org>
2019-08-06 07:58:14 -04:00
2019-08-06 07:42:20 -04:00
2019-07-25 21:51:53 -04:00
2019-07-23 09:39:51 -04:00
2019-01-16 12:33:22 -05:00
2018-07-05 11:22:33 +03:00
2018-07-31 19:46:00 -04:00
2019-07-25 21:51:53 -04:00
2018-07-05 11:22:33 +03:00
2018-07-03 16:34:52 +03:00
2019-01-16 12:33:22 -05:00
2019-06-01 15:37:51 -04:00

Tor protects your privacy on the internet by hiding the connection
between your Internet address and the services you use. We believe Tor
is reasonably secure, but please ensure you read the instructions and
configure it properly.

To build Tor from source:
        ./configure && make && make install

To build Tor from a just-cloned git repository:
        sh autogen.sh && ./configure && make && make install

Home page:
        https://www.torproject.org/

Download new versions:
        https://www.torproject.org/download/download.html

Documentation, including links to installation and setup instructions:
        https://www.torproject.org/docs/documentation.html

Making applications work with Tor:
        https://wiki.torproject.org/projects/tor/wiki/doc/TorifyHOWTO

Frequently Asked Questions:
        https://www.torproject.org/docs/faq.html


To get started working on Tor development:
        See the doc/HACKING directory.

Release timeline:
         https://trac.torproject.org/projects/tor/wiki/org/teams/NetworkTeam/CoreTorReleases
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