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vcs: Use a thread scoped cache invalidation context to cache repository objects....
vcs: Use a thread scoped cache invalidation context to cache repository objects. Without this change the cache is on a process scope. If running with multiple threads this leads to sharing the cached object between threads. This will cause exceptions if multiple threads are trying to access the same curl object. Even worse it allows multiple threads to operate on the same repository object concurrently.
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apache-diffie-hellman.rst
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Diffie-Hellman Security
-----------------------
To secure your web server, the `Guide to Deploying Diffie-Hellman for TLS`_
contains important information worth reading. This link contains some good
`secure Apache configuration`_ examples.
To secure your deployment of Diffie-Hellman, configure the following:
1. Generate a strong Diffie-hellman group, 2048-bit or stronger.
.. code-block:: bash
# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/apache/ssl/dhparam.pem 2048
2. Configure your server to only use modern, secure cipher suites in the
virtual hosts configuration file.
.. code-block:: apache
# Set the protocol to only use modern, secure cipher suites.
SSLProtocol all -SSLv2 -SSLv3
SSLHonorCipherOrder on
SSLCipherSuite ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA
# Specify your DH params file as follows
SSLOpenSSLConfCmd DHParameters "{path to dhparams.pem}"
.. _Guide to Deploying Diffie-Hellman for TLS: https://weakdh.org/sysadmin.html
.. _secure Apache configuration: http://www.apache-ssl.org/httpd.conf.example