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Documentation for DOWNLOADER_CLIENT_TLS_CIPHERS.

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Andrey Rakhmatullin 2018-09-28 20:17:12 +05:00
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docs/topics/settings.rst
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@ -445,6 +445,24 @@ accepts a ``method`` parameter (this is the ``OpenSSL.SSL`` method mapping
:setting:`DOWNLOADER_CLIENT_TLS_METHOD`) and a ``tls_verbose_logging``
parameter (``bool``).
.. setting:: DOWNLOADER_CLIENT_TLS_CIPHERS
DOWNLOADER_CLIENT_TLS_CIPHERS
-----------------------------
Default: ``'DEFAULT'``
Use this setting to customize the TLS/SSL ciphers used by the default
HTTP/1.1 downloader.
The setting should contain a string in the `OpenSSL cipher list format`_,
these ciphers will be used as client ciphers. Changing this setting may be
necessary to access certain HTTPS websites: for example, you may need to use
``'DEFAULT:!DH'`` for a website with weak DH parameters or enable a
specific cipher that is not included in ``DEFAULT`` if a website requires it.
.. _OpenSSL cipher list format: https://www.openssl.org/docs/manmaster/man1/ciphers.html#CIPHER-LIST-FORMAT
.. setting:: DOWNLOADER_CLIENT_TLS_METHOD
DOWNLOADER_CLIENT_TLS_METHOD