How to download a file through a fire wall - that can
Block connections to your Mac with a firewall
Click the Add button under the list of services, then select the services or apps you want to add. After an app is added, click its up and down arrows
to allow or block connections through the firewall.
Blocking an app’s access through the firewall could interfere with or affect the performance of the app or other software that may depend on it.
Important: Certain apps that don’t appear in the list may have access through the firewall. These can include system apps, services, and processes, as well as digitally signed apps that are opened automatically by other apps. To block access for these programs, add them to the list.
When your Mac detects an attempt to connect to an app you haven’t added to the list and given access to, an alert message appears asking if you want to allow or deny the connection over the network or internet. Until you take action, the message remains, and any attempts to connect to the app are denied.
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