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Update document for ssl_config

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GONG Jie 2019-03-13 17:11:21 +08:00
parent 26c27cc55e
commit 18d4af9890
1 changed files with 3 additions and 11 deletions
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docs/source/advanced/security/ssl_config.rst
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@ -8,21 +8,13 @@ The configuration is stored in the xCAT site table using the ``site.xcatsslversi
Configuration
-------------
By default, xCAT ships with ``TLSv1`` configured. The current highest SSL version that can be supported is ``TLSv1.2``.
``site.xcatsslversion`` is the ``SSL_version`` option ``xcatd`` used and passed to ``IO::Socket::SSL->start_SSL()``. By default, this value is set to empty. In this case, ``xcatd`` will use ``SSLv23:!SSLv2:!SSLv3:!TLSv1`` internally. For more detail, see https://metacpan.org/pod/IO::Socket::SSL
By default, xCAT ships with an empty value for ``site.xcatsslversion``. In this case, ``xcatd`` will use ``SSLv23:!SSLv2:!SSLv3:!TLSv1`` internally.
* For rhels7.x and sles12.x and higher: ::
chtab key=xcatsslversion site.value=TLSv12
* For ubuntu 14.x and higher: ::
Here is an example of change ``site.xcatsslversoin`` to a different value. Say, TLS 1.2 is preferred. ::
chtab key=xcatsslversion site.value=TLSv1_2
* For AIX 7.1.3.x: ::
chtab key=xcatsslversion site.value=TLSv1_2
If running > ``TLSv1``, it is possible to disable insecure ciphers. Here's an example of one possible configuration: ::
"xcatsslciphers","kDH:kEDH:kRSA:!SSLv3:!SSLv2:!aNULL:!eNULL:!MEDIUM:!LOW:!MD5:!EXPORT:!CAMELLIA:!ECDH",,