How to make Plesk interface accessible over a hostname without entering the port number? For example, https://server.example.com.
All new Plesk Obsidian servers have this feature enabled by default, while on upgraded servers this feature should be enabled.
Note: If an existing in Plesk domain is going to be used as an entry point to Plesk, make sure that the Permanent SEO-safe 301 redirect from HTTP to HTTPS option is enabled at Domains > example.com > Hosting Settings and a valid SSL certificate is used. For details, check out this KB article.
Plesk Onyx for Linux