[Koha] How to hide port number when accessing koha staff client in the browser.

Good day! Can someone help me on how we hide port number when our user access KOHA staff client in the internet. for security purposes. sample OPAC: opac.com.ph staff client: opac.com.ph:10001 I want to hide the 1001 i just saw someone answer to use 2 different IP addresses, https://lists.katipo.co.nz/public/koha/2014-April/039152.html how can i do that?