Learn more about specifying firewall rules of an IP address

You can specify the firewall rules of the IP address that is specific to a network location setting.

The Trust Zone in the View pane shows the IP addresses to or from which you allowed access attempts for a network location. The Block Zone in the View pane shows the IP addresses to or from which you blocked access attempts of a network location.

You can select the default access setting option that you want to apply for the IP address. Your options are:

Allow	Allows the connections to or from an IP address.
Block	Blocks the connections to or from an IP address.

You can select an option to specify the IP addresses of computers to which you want to apply the access settings. Your options are:

All computers on my current network	Lets you allow or block connections to or from all computers on your network.
A single computer	Lets you allow or block connections to or from the computer with the IP address that you specify.
All IP addresses beginning with	Lets you allow or block connections to or from computers with the base address that you specify.
All IP addresses on a network	Lets you allow or block connections to or from computers on a local network.

In the Edit address window, you can use the Logging and notification settings option to specify the logging and notification settings for the IP address. The settings that you specify override the global settings in the Logging and Notification Settings window, which is accessible from the Connection Blocking dialog.

Need more help?

• Configure firewall rules for an IP address on Mac

• Modify firewall rules for an IP address on Mac

• Remove firewall rule for an IP address on Mac