Look at the ip of two network cards and you can tell the difference between the internal network and the external network.

If you want to match, it depends on the location of the connection.

Others are too general. What do you want to access the server for?

What system is the server?

What you have to do is different, the configuration is different, and the method is different.

Do you have an account with access to the server?

What are the permissions of your local computer account?