To learn how Amazon RDS supports SSL, see Using SSL with a MySQL DB Instance or Using SSL with Aurora MySQL DB Clusters. @Daniel I change it ,but there is a new error:'django.db.utils.OperationalError: (2026, 'SSL connection error: SSL_CTX_set_tmp_dh failed')' – P.Cheng Nov 20 '18 at 1:55 What mysqlclient or MySQL Connector/Python do you have installed? You can rate examples to help us improve the quality of examples. August 03, 2017 10:24PM One of the easiest ways to get Diffie-Hellman parameters to use with this function is to generate random Diffie-Hellman parameters with the dhparam command-line program with the -C option, and embed the resulting code fragment in your program. The only device that the test failed on was my OpenSuse Tumbleweed Laptop running version OpenSSL 1.1.1c 28 May 2019. 5952. OpenSSL and YaSSL clients connect properly. 3. August 03, 2017 12:45AM Re: ERROR 2026 (HY000): SSL connection error: SSL is required but the server doesn't support it. Silan Liu. TLSv1 crashes only when DH parameters have not been set externally with SSL_CTX_set_tmp_dh() 2. Silan Liu. GitHub is where the world builds software. 4. C++ (Cpp) SSL_CTX_set_tmp_dh - 30 examples found. SSL_CTX_set_tmp_dh is used to set the Diffie-Hellman parameters for a context. Java when connects to OpenSSL-enabled server does not do DH. Few facts: 1. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. ERROR 2026 (HY000): SSL connection error: SSL certificate validation failure. What version of openssl do you have on this server? 19749. 接上回，python的DBUtils连接mysql数据库时报错：2006, 'SSL connection error: SSL_CTX_set_tmp_dh failed'这个bug刚解决，又出这么个bug，搜索了好一会，有人讲可能是因为用anaconda的原因。 经过两天搜索+试验，确实是anaconda的问题，不过具体原因仍然未知。 For example, openssl dhparam -C 2236 might result in: 2026, 'SSL connection error: SSL_CTX_set_tmp_dh failed' 应该是没有配置的原因，跟ssl无关。但是我在ssl这里绕了大半天。然后看其他人都在讨论配置。才发现自己没有配置。 Diffie-Hellman []. These are the top rated real world C++ (Cpp) examples of SSL_CTX_set_tmp_dh extracted from open source projects. Packages: 1. mysql.connector (mysql-connector-python) 8.0.13 2. openssl 1.1.1a When attempting to connect to an SSL enabled MySQL server I get: InterfaceError: 2026 (HY000): SSL connection error: SSL_CTX_set_tmp_dh failed Packages: 1. ERROR 2026 (HY000): SSL connection error: SSL is required but the server doesn't support it. – danblack Nov 20 '18 at 2:06 To troubleshoot this error, first validate whether you're using the cluster endpoint or the instance endpoint.