I had shared this post under another section and one of our fellow community members suggested to re-post it here as the concerned topic pertained to servers and containers. I would appreciate your participation to address this issue. https://www.howtoforge.com/community/posts/406432/
Are you using ISPConfig or not? @Jesse Norell asked you if you are using ISPconfig and you said that you use a LAMP system, which means that your server does not has ISPConfig installed. Now you claim in the title again that your server uses ISPConfig.
We are utilizing ISPConfig for the dashboard access to manage the sites. We were using another open source alternative prior to it. As shared in the Nextcloud forum, we have a container system with ISPConfig.
Solution identified. For more details, you could check out another thread over here. https://www.howtoforge.com/communit...he-admin-port-is-set.84922/page-2#post-406960