# SSL & TLS SSL & TLS Tools, Links, Troubleshooting etc. # Design # Operation # Trobleshooting # Links & Tools # SSL/TLS Testing Tools ### Tools for checking SSL/TLS Below are my favorite tools to check SSL/TLS stuff
##### Link | ##### Description |
[https://badssl.com/](https://badssl.com/) | `badssl.com` is meant for *manual* testing of security UI in web clients. If you want to see client certification authentication in action, use the following: In order for this test to work you must first install the client certificate on to your system (get it here: [Certificate Downloads — badssl.com](https://badssl.com/download/)). After you install the certificate, visit [https://client.badssl.com/](https://client.badssl.com/) at which point you should be prompted to select a certificate that you’d like to authenticate with. Your only option should be the certificate you have just installed. |
[https://www.ssllabs.com/ssltest/](https://www.ssllabs.com/ssltest/) | This free online service performs a deep analysis of the configuration of any SSL web server on the public Internet. |
[https://www.howsmyssl.com/](https://www.howsmyssl.com/) | How's My SSL? is a cute little website that tells you how secure your [TLS client](https://www.howsmyssl.com/s/about.html#tls-vs-ssl) is. TLS clients just like the browser you're reading this with. |