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litespeed_wiki:lsmcd:sasl [2018/06/05 16:39] Robert Perper [Configure for PHP] |
litespeed_wiki:lsmcd:sasl [2018/08/13 19:16] Robert Perper [Enable SASL in Your Configuration File] |
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| Enabling SASL is database wide. Once SASL is enabled, all non-SASL databases will need to be regenerated. You will also need to regenerate your databases (the files stored in the ''Cached.ShmDir'' parameter of your node.conf file) if you wish to remove SASL. | Enabling SASL is database wide. Once SASL is enabled, all non-SASL databases will need to be regenerated. You will also need to regenerate your databases (the files stored in the ''Cached.ShmDir'' parameter of your node.conf file) if you wish to remove SASL. | ||
| + | You can secure data by user if you enable SASL. This is particularly helpful if you wish to install a single copy of memcached and then share it across your user secured network. See https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:lsmcd:sasl_secure_user_data for full details. | ||
| ===== Configuring SASL ===== | ===== Configuring SASL ===== | ||
| There are a number steps to configuring LSMCD to operate with SASL: | There are a number steps to configuring LSMCD to operate with SASL: | ||
| - | * Enable SASL in your lsmcd.conf file | + | * Enable SASL in your node.conf file |
| * Create and configure a SASL configuration file | * Create and configure a SASL configuration file | ||
| * Create and configure a user database. | * Create and configure a user database. | ||
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| In particular you need to specify in your node.conf file: <code>CACHED.USESASL=TRUE</code> | In particular you need to specify in your node.conf file: <code>CACHED.USESASL=TRUE</code> | ||
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| + | Once you have changed this value, you must delete your existing LSMCD files: <code>rm -rf /dev/shm/lsmcd</code> | ||
| ==== Create and Configure a SASL Configuration File ==== | ==== Create and Configure a SASL Configuration File ==== | ||
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| Start LiteSpeed and LSMCD and point your browser to the web page you created. If the user or password are incorrect you'll see a message like ''Error in get: 41: AUTHENTICATION FAILURE''. However if you have it right you'll see the first time you access the page ''Adding a key/value: SampleKey/SampleValue'' and subsequent accesses will show ''get(SampleKey) => SampleValue''. | Start LiteSpeed and LSMCD and point your browser to the web page you created. If the user or password are incorrect you'll see a message like ''Error in get: 41: AUTHENTICATION FAILURE''. However if you have it right you'll see the first time you access the page ''Adding a key/value: SampleKey/SampleValue'' and subsequent accesses will show ''get(SampleKey) => SampleValue''. | ||
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| + | If you do not use the ''$mem_var->setSaslAuthData('user', 'password');'' line, then this example will work for non-SASL environments as well. | ||
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| + | ==== Configure for Python ==== | ||
| + | There are a number of external classes for Python access to memcached. However, only the Python Binary Memcached client https://python-binary-memcached.readthedocs.io/ has been certified by LiteSpeed to work with LSMCD in SASL mode. Installation and use is fully described on their web site. | ||