Why is Apache 2 accessible from the public ip?

Community Support General Questions
1

After running ss -tlpn, I discovered that Apache2 is listening on publicIP:8080 and publicIP:8443.

However, all web server requests are routed through Nginx. So why does Apache2 need to be accessible via the public IP?

I would have expected apache2 to listen on 127.0.0.1:8080 and 127.0.0.1:8443

2

The ports are blocked by iptables, they are not reachable from public.

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