{"id":1237,"date":"2016-05-09T17:11:45","date_gmt":"2016-05-09T14:11:45","guid":{"rendered":"https:\/\/www.systemcodegeeks.com\/?p=1237"},"modified":"2016-05-04T13:40:30","modified_gmt":"2016-05-04T10:40:30","slug":"add-ssl-mysql-postgresql","status":"publish","type":"post","link":"https:\/\/www.systemcodegeeks.com\/databases\/mysql\/add-ssl-mysql-postgresql\/","title":{"rendered":"Add ssl to Mysql and Postgresql"},"content":{"rendered":"<p>Adding ssl support to a relational database like mysql or postgresql is a standard task.<\/p>\n<p>First we need to have our certificates ready.\u00a0We can either use mysql workbench which has a nice <a href=\"https:\/\/dev.mysql.com\/doc\/workbench\/en\/wb-mysql-connections-ssl-wizard.html\">wizard<\/a>.\u00a0Or we can create them using <a href=\"http:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/creating-ssl-files-using-openssl.html\">openssl<\/a>.<\/p>\n<p>In the end we will end up with three files<\/p>\n<pre class=\"brush:bash\">ssl-ca=ca.pem\r\nssl-cert=server-cert.pem\r\nssl-key=server-key.pem<\/pre>\n<p>We can also check that everything is ok by making a basic test.\u00a0Start an open ssl server<\/p>\n<pre class=\"brush:bash\">\/usr\/bin\/openssl s_server -cert server-cert.pem -key server-key.pem<\/pre>\n<p>and a client to connect<\/p>\n<pre class=\"brush:bash\">openssl s_client -CAfile ca.pem -connect 127.0.0.1:4433<\/pre>\n<p>In case of no errors you are good to go.\u00a0In case of mysql we shall create a directory and put our certificates in it<\/p>\n<pre class=\"brush:bash\">mkdir \/etc\/mysql-ssl\r\nmv ca.pem \/etc\/mysql-ssl\r\nmv server-cert.pem \/etc\/mysql-ssl\r\nmv server-key.pem \/etc\/mysql-ssl\r\nchown -R mysql mysql-ssl<\/pre>\n<p>Now we shall edit \/etc\/my.cnf and on the [mysqld] section add<\/p>\n<pre class=\"brush:bash\">[mysqld]\r\nssl-ca=\/etc\/mysql-ssl\/ca.pem\r\nssl-cert=\/etc\/mysql-ssl\/server-cert.pem\r\nssl-key=\/etc\/mysql-ssl\/server-key.pem<\/pre>\n<p>Now when we login to mysql by issuing show global variables like \u2018%ssl%\u2019 we get<\/p>\n<pre class=\"brush:sql\">mysql&gt; show global variables like '%ssl%';\r\n+---------------+--------------------------------+\r\n| Variable_name | Value                          |\r\n+---------------+--------------------------------+\r\n| have_openssl  | YES                            |\r\n| have_ssl      | YES                            |\r\n| ssl_ca        | \/etc\/mysql-ssl\/ca.pem          |\r\n| ssl_capath    |                                |\r\n| ssl_cert      | \/etc\/mysql-ssl\/server-cert.pem |\r\n| ssl_cipher    |                                |\r\n| ssl_crl       |                                |\r\n| ssl_crlpath   |                                |\r\n| ssl_key       | \/etc\/mysql-ssl\/server-key.pem  |\r\n+---------------+--------------------------------+<\/pre>\n<p>Suppose we have a database called tutorial_database, we will create a user that will have access to it only through ssl<\/p>\n<pre class=\"brush:bash\">create user 'tutorial_user'@'%' identified by 'yourpass';\r\ngrant all privileges on tutorial_database.* to 'tutorial_user'@'%' REQUIRE SSL;;<\/pre>\n<p>It order to connect with this user for example by using mysql client you need<\/p>\n<pre class=\"brush:bash\">mysql --ssl-ca=ca.pem -u tutorial_user -h yourhost -p<\/pre>\n<p>Using the ca.pem created previously.\u00a0Now on postgresql things are easy too.\u00a0Place your server certificate and your server key to your postgres data directory<\/p>\n<pre class=\"brush:bash\">cp server-cert.pem $PGDATA\/server.crt\r\ncp server-key.pem $PGDATA\/server.key<\/pre>\n<p>Also change your server key properties or else postgresql will not start<\/p>\n<pre class=\"brush:bash\">chmod og-rwx server.key<\/pre>\n<p>Next step is to edit postgresql.conf and add<\/p>\n<pre class=\"brush:bash\">ssl=on<\/pre>\n<p>After restarting we will be able to connect through ssl to postgres. Just add the ssl setting.<\/p>\n<pre class=\"brush:bash\">psql \"sslmode=require host=yourhost dbname=tutorial_database\" tutorial_user<\/pre>\n<p>However if we want a specific user to connect to a database with ssl then we should edit pg_hba.conf<\/p>\n<pre class=\"brush:bash\"># TYPE  DATABASE          USER            ADDRESS  METHOD\r\nhostssl tutorial_database tutorial_user   all      md5<\/pre>\n<div class=\"attribution\">\n<table>\n<tbody>\n<tr>\n<td><span class=\"reference\">Reference: <\/span><\/td>\n<td><a href=\"https:\/\/egkatzioura.wordpress.com\/2016\/04\/29\/add-ssl-to-mysql-and-postgresql\/\">Add ssl to Mysql and Postgresql<\/a> from our <a href=\"http:\/\/www.systemcodegeeks.com\/join-us\/scg\/\">SCG partner<\/a> Emmanouil Gkatziouras at the <a href=\"http:\/\/egkatzioura.wordpress.com\/\">gkatzioura<\/a> blog.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Adding ssl support to a relational database like mysql or postgresql is a standard task. First we need to have our certificates ready.\u00a0We can either use mysql workbench which has a nice wizard.\u00a0Or we can create them using openssl. In the end we will end up with three files ssl-ca=ca.pem ssl-cert=server-cert.pem ssl-key=server-key.pem We can also &hellip;<\/p>\n","protected":false},"author":23,"featured_media":194,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[72,54],"class_list":["post-1237","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","tag-postgresql","tag-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Add ssl to Mysql and Postgresql - System Code Geeks - 2026<\/title>\n<meta name=\"description\" content=\"Adding ssl support to a relational database like mysql or postgresql is a standard task. First we need to have our certificates ready.\u00a0We can either use\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.systemcodegeeks.com\/databases\/mysql\/add-ssl-mysql-postgresql\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Add ssl to Mysql and Postgresql - System Code Geeks - 2026\" \/>\n<meta property=\"og:description\" content=\"Adding ssl support to a relational database like mysql or postgresql is a standard task. 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