Add HTTPS (under application), TCP (under protocol) and port 443, like in the following screenshot: Under the table click on “+ Add another”.

In this page you’ll see a “Firewall” title and beneath it a table with the currently open ports. Let’s go ahead and open port 443 in your Lightsail instance (and explain how to also temporarily open 87).Ĭlick on the instance you’ve opened, and then go to the Networking tab. It doesn’t matter much, because by the end of this post we’ll be using port 443 (for secure SSL connection), but you can also make the non-secure version work out - useful for checking that your server is working. The reason for that is that AWS Lightsail built-in firewall blocks all ports except 22 and 80 by default (rstudio server uses 8787 and shiny server uses 3838).

This means that when you complete steps 7-8 in Dean’s post, your server will not work if you’re using AWS Lightsail. When using AWS Lightsail (which I’ve been using), a default firewall rule is applied.

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