The answer to your question is software.
Answer:
its a host based firewall
Explanation:
because the administrator put it ntentionally and the only way do disable the firewall is by signing in as the admin (if you're the admin) and turn it off manualy
or if you're not the admin, ask them to do so.
Apple uses social media to promote their products and increase user-engagement. This is a very effective method of advertising.
