Wery simple... can use one domain and this ssl to all SERVICE port IF find key and cert files...
Example 3party csf Firewall web UI:
/etc/csf/ui/
Open key and crt paste your domain SSL code's and goodbye 🙂
(already restart this service...)
In aapanel for my not work directley ssl... first time i generate Self signed after manualy find cert file's and edit...
Work fine for my domain...