I have a remote server, and its default port is 8080, but you know the browser default use 80 port to access it, so can not access my tomcat. 

How to configure it to access the tomcat's 8080 port?

It is under the windows.

If I use `www.example.com:8080` in the browser I can access the server, but if I use `www.example.com` I can not access it.

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**EDIT**

I use Tomcat + IIS (Server Consolidation), IIS occupy the `80` port.