MacOS – I can’t open port 25443

macosNetwork

I am not used to using OS X as I normally use Windows but in my new job I have a machine with OS X 10.9.5 so I kind of have to use it.

Anyways, I need to open port 25443 as I need it to access a website that runs there. I am not using the OS Firewall. I've been reading about it and I tried ipfw but it seems to be deprecated. I've been looking into pfctl but no luck. How could I open that port?

These are the outputted messages in different browsers:

  • Safari:

    Error shown in Safari

  • Chrome:

    Error shown in Chrome

  • Opera:

    Error shown in Opera

The website is on a server in the Internet, is not accessed locally

I've tried to access other websites using HTTPS. It doesn't show any error and it show without any problem.

Best Answer

Router/Firewall settings

As your site loads fine for other SE users, even with OS X firewall activated, it is most likely that you are behind some sort of company firewall.

Try another network, like tethering from your phone, to see if this solves your issue.