Installation media issue while using

Problem: installation media

**Expected outcome:**we need to install Centos 8 using smart proxy server

Foreman and Proxy versions: 3.3

**Foreman and Proxy plugin versions:**3.3

Distribution and version:

Other relevant data:

we have build the foreman server and proxy server which is working fine with cent os 7.9 we can install successfully.

When we attempt to install Centos 8, which is not moving on its own.

Please check below link for more information Installation media issue - Support - TheForeman

I cannot access the URL: access requires authentication. Maybe someone from the community can share a working CentOS Linux 8 (EOL!) or CentOS Stream 8 installatation medium URL.