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David Goulet 6d9113d2f6 dirauth: Resume sending 503 directory error code
Authorities were never sending back 503 error code because by design they
should be able to always answer directory requests regardless of bandwidth
capacity.

However, that recently backfired because of a large number of requests from
unknown source using the DirPort that are _not_ getting their 503 code which
overloaded the DirPort leading to the authority to be unable to answer to its
fellow authorities.

This is not a complete solution to the problem but it will help ease off the
load on the authority side by sending back 503 codes *unless* the connection
is from a known relay or an authority.

Fixes #33029

Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-02-11 09:58:28 -05:00
changes dirauth: Resume sending 503 directory error code 2020-02-11 09:58:28 -05:00
contrib bump to 0.4.2.6-dev 2020-01-30 11:19:16 -05:00
doc dirauth: Add option AuthDirRejectRequestsUnderLoad 2020-02-11 09:57:05 -05:00
m4 Replace obsolete macros with modern equivalents 2016-12-23 10:34:11 -05:00
scripts practracker: print a notice to stderr when disabled 2020-01-14 17:41:00 +10:00
src dirauth: Resume sending 503 directory error code 2020-02-11 09:58:28 -05:00
.appveyor.yml Merge branch 'maint-0.3.5' into maint-0.4.0 2019-11-11 14:19:39 +10:00
.editorconfig Add .editorconfig to follow coding standards style 2018-06-17 19:24:40 -04:00
.gitignore Move unit-parsing code to src/lib/confmgt 2019-06-24 15:11:57 -04:00
.gitlab-ci.yml Fix spelling mistakes corresponding to ticket #23650 2018-02-07 10:41:57 -05:00
.gitmodules Update the .gitmodules to refer to project-level tor-rust-dependencies 2018-02-21 11:53:04 -05:00
.travis.yml Merge branch 'maint-0.4.0' into maint-0.4.1 2019-12-20 10:12:43 +10:00
acinclude.m4 Bump copyright date to 2019 2019-01-16 12:33:22 -05:00
autogen.sh Cleanup shellcheck warnings in autogen.sh 2019-01-18 13:49:30 +02:00
ChangeLog fix easy typos 2019-10-20 05:52:32 -04:00
CODE_OF_CONDUCT Add CODE_OF_CONDUCT file 2018-07-05 11:22:33 +03:00
config.rust.in Make the rust tests link. 2018-07-31 19:46:00 -04:00
configure.ac bump to 0.4.2.6-dev 2020-01-30 11:19:16 -05:00
CONTRIBUTING Add CODE_OF_CONDUCT file 2018-07-05 11:22:33 +03:00
Doxyfile.in Fix Doxyfile for 0.3.5 source tree moves 2018-11-14 07:45:55 -05:00
INSTALL Remove old instructions from INSTALL 2018-07-03 16:34:52 +03:00
LICENSE clarify that tor's license is free software 2019-08-23 21:52:33 -04:00
Makefile.am Makefile: Fix "make check-includes" for out-of-tree builds 2019-11-06 12:30:19 +10:00
Makefile.nmake Clean up the MVSC nmake files so they work again. 2014-09-09 10:27:05 -04:00
README doc: Put the release timeline link in README 2017-11-08 10:44:00 -05:00
ReleaseNotes fix easy typos 2019-10-20 05:52:32 -04:00
warning_flags.in Try @warning_flags to avoid bloating verbose make logs 2018-12-21 10:00:23 -05:00

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