By default as part of installation, the Windows Firewalls are opened for the Tableau Processes.
If you have a requirement for opening external firewall ports use the following as a guide
Hope this helps
It looks like you're new to Tableau as you've been asking a lot of questions! I get the impression you have not taken the time to "read the fine manual", however. May I suggest you take some time to do so? Nearly all of your questions can be answered by online help, and it's a great place to start if you are trying to learn about server. You can find the information here: