Nextcloud installation only from lan accessible but need cert for https

[vinc]

hello
i have a nextclound installation working in the LAN. the Server can access outside but from outside only with tunnel to the LAN.
so i can’t get a Let’s Encrypt cert.
how to manage to still have a the option for https?
have a nice day
vinc

[scubamuc]

@vinc

i have a nextclound installation working in the LAN.

well done, good job… we should guess what type of installation it is? it would be easier to help if you complete the Support template. Please use this when you request support

assuming its a snap install;

How to install Nextcloud snap

Nextcloud snap installation Nextcloud snap configuration Resolve Nextcloud snap setup warnings Nextcloud snap wiki & support You have decided to set up Nextcloud snap as a safe home for your data, that’s great! Nextcloud snap is designed to be easy to install and simple to maintain. The ideal Nextcloud snap is an “install and forget” Nextcloud instance that works on most architectures and updates itself without needing administrative skills. Combining Nextcloud with Snapd makes it a perfec…

How to manage Lets Encrypt for Nextcloud snap

Managing Lets Encrypt for Nextcloud snap Managing encryption See Requirements, managing encryption and configure Nextcloud snap Nextcloud snap includes a service for automated HTTPS encryption using Lets Encrypt, self-signed certificates, or custom certificates. Lets Encrypt requires port 80 and port 443. Enable HTTPS via Lets Encrypt. HTTP will redirect to HTTPS. Non-custom certificates will automatically be kept up-to-date. See nextcloud.enable-https -h for more information. Note that this…

otherwise see this:

101: Network, domain and DNS

With the limitations of NAT and carrier-grade NAT, it is perhaps worth mentionning that ipv6 might be an option for a few people. In some countries, coverage reaches 70-80% including mobile networks, so if all your used networks support ipv6, this can be an easy and inexpensive alternative.