In case you need to run RTL with an external node, you need to ensure that RTL is served on https, by running it behind a webserver like [nginx](https://nginx.org/en/download.html) encrypted with your [letsencrypt](https://letsencrypt.org) certificate.
A sample SSL setup guide can be found [here](https://github.com/ShahanaFarooqui/RTL/blob/master/RTL_SSL_setup.md)
A sample SSL setup guide can be found [here](RTL_SSL_setup.md)