Hi @ForrestLi Hostname matching is done according to how the client
identifies the host it's trying to access. If it's trying to access
https://localhost/, then the certificate must be valid for localhost. If
it's trying to access https://something-else.example, then the
certificate must be valid for something-else.example, even if localhost
and something-else.example are one and the same machine. You can use the
below steps to diagnose and confirm the issue:Check the Server’s Fully
Qualified Do...