You can configure tableau to publish tableau reports on tableau server.
The fields are described below:
URL: Provide the Server IP/ Host name of the tableau server.
User name: Provide the user name.
Password: Provide the password.
Site ID: Provide the Site ID where you want to publish the report on the tableau server. You can publish the report under your site. However, if you will not provide the Site ID, the report will be published under the default site.
If you are providing the server IP as URL, then hostname details need not be specified in the host file.