Share your thought

If you have done all client side fix but no luck then try server side. Below suggestion helped me to quickly solved my problem It looks like the issue with Firefox is most likely being caused by the cipher suites the server has enabled. I scanned the site using SSL Labs here:  https://www.ssllabs.com/ssltest/analyze.html?d=faceawards.nyxcosmetics.com.tw,  and it shows a few ciphers suites enabled, but none are supported by Firefox so a secure connection cannot be created. I would recommend running a tool called IIS Crypto ( https://www.nartac.com/Products/IISCrypto ) on your server and select the option to enable "Best practices", this will ensure you have secure ciphers that are supported by all browsers enabled on the server.  If you don't want to download the IIS Crypto utility on your server you can also edit the ciphers directly through the Windows SSL Configuration Settings ( https://docs.microsoft.com/en-us/windows-server/security/tls/manage-tls#configuring-

Portqry is a Microsoft tool that provides information about TCP and UDP ports that are "listening" locally and which process or service is offering IP services on a system.  PortQry is nothing more than a tool developed to aid in the troubleshooting of helping solve connectivity issues by allowing for the scanning of ports in a better way. PortQry vs. Telnet: Which tool to use? Download

Introduction IIS Crypto is a free tool that gives administrators the ability to enable or disable protocols, ciphers, hashes and key exchange algorithms on Windows Server 2008, 2012 and 2016. It also lets you reorder SSL/TLS cipher suites offered by IIS, implement best practices with a single click, create custom templates and test your website. Download

Introduction of PsPing PsPing implements Ping functionality, TCP ping, latency and bandwidth measurement. Download

Learning JavaScript Design Patterns Preface Design patterns are reusable solutions to commonly occurring problems in software design. They are both exciting and a fascinating topic to explore in any programming language. One reason for this is that they help us build upon the combined experience of many developers that came before us and ensure we structure our code in an optimized way, meeting the needs of problems we're attempting to solve. Design patterns also provide us a common vocabulary to describe solutions. This can be significantly simpler than describing syntax and semantics when we're attempting to convey a way of structuring a solution in code form to others. In this book we will explore applying both classical and modern design patterns to the JavaScript programming language. Essential js Design Patterns

Bootstrap themes are released under the MIT License and maintained by the community on  GitHub http://bootswatch.com/