Chad Wallace Hart

webrtcHacks - Let’s Encrypt – how get to free SSL for WebRTC

Way back in 47 (version that is), Chrome started to mandate the use of HTTPS in conjunction with getUserMedia. To use HTTPS you need a SSL/TLS certificate. As it so happened, the certificate for this site was about to expire so I decided to give Let’s Encrypt, a new a non-profit certificate authority that is completely free.

Here is my walk through and learnings covering Lets Encrypt, certbot, and Nginx:

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About Chad W Hart
Cambridge, MA USA Website
Chad is a communications market analyst and product consultant at, a product management, marketing, and strategy advisory. See more at his bio page -