Connection Blocking settings

You can configure the Connection Blocking settings for an application, a service, or an IP address. Based on the Connection Blocking settings, the firewall allows, or blocks the incoming and the outgoing network connections.

The Connection Blocking settings that you configure are specific to the selected network location. The settings apply only when your Mac connects to the specified network location.

You can configure the Connection Blocking settings for the following:

Applications

Lets you specify access settings for the applications that run on your Mac.

Services/Ports

Lets you specify access settings for the services and ports that run on your Mac.

Zones

Lets you specify the IP address to or from which you want to allow or block connections.

All, in order of precedence

Lets you view the entire access settings for a firewall setting that you select.

Whenever the settings overlap, settings at the top of the list take precedence over the settings in the bottom of the list.

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DOCID: v18368338_nsmac_retail_en_us
Operating System: Mac OS X
Last modified: 09/01/2017