- [SSL test site from Qualys] (https://www.ssllabs.com/ssltest/)
- [Test tool (shell scripts)] (https://testssl.sh/) and the [github project] (https://github.com/drwetter/testssl.sh)
- [SSL config NGINX, Apache,...] (https://cipherli.st/)
- https://mozilla.github.io/server-side-tls/ssl-config-generator/