Modification of the firewall on Mac computers.

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Article ID: 170032

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Updated On:

Products

Endpoint Protection Small Business Edition (Cloud)

Issue/Introduction

I need to modify the Firewall on my Mac computer that has Norton Security which comes with Symantec Endpoint Protection Small Business Edition cloud (SEP SBE cloud).

Resolution

Open Norton Security user interface.
Click on the, Advanced icon.
Click on Firewall

Next to the word, Connection Blocking, and to the right of the On/Off slider, click on the Settings button.

There are three different subcatagories under the Firewall configuration. 
Under View you will see these subcatagories; Applications, Services/Ports, and Zones
Additionally there is All, in order of precedence which displays all three subcatagories in one window and each subcatagory can be found and modified by selecting the subcatagory under, Add other... when, All, in order of precedence is selected.

 

APPLICATIONS:

Under Editing Settings you can select:

Trusted Network(Current)
Which refers to the local network the computer currently resides in.

Untrusted Network
Which refers to any network that does not have an explicit trust with the local network.

Under Applications you can select either:

Incoming:
Which refers to the application that is accessing the computer you are currently on.

Outgoing:
Which refers to the application reaching out from the computer you are currently on.

Click on; Add Application... 
Select; Allow, Block, or, Ask
Select the application you are configuring for from the list or select, Other... if the application if not listed.

After the application has been selected click the, Done button.

 

SERVICES/PORTS:

Under Editing Settings you can select:

Trusted Network(Current)
Which refers to the local network the computer currently resides in.

Untrusted Network
Which refers to any network that does not have an explicit trust with the local network.

Under Services/Ports you can select either:

Incoming:
Which refers to the application that is accessing the computer you are currently on.

Outgoing:
Which refers to the application reaching out from the computer you are currently on. 

Click on, Add Service...
Select; Allow, or, Block
Add or select the, Service name in the drop down menu.
If you Add the service name, specify the port.
Click the, Add... button after entering the service name and enter the port or port range.
Click the, Save button.
If you Select a Service name from the list the ports will be added automatically.

Click, Save after configuring the service and port.

 

ZONES:

Under Editing Settings you can select:

Trusted Network(Current)
Which refers to the local network the computer currently resides in.

Untrusted Network
Which refers to any network that does not have an explicit trust with the local network.

Highlight either:

Block Zone (Blocked addresses)
Which will block the specified IP address or IP address range.

Trust Zone (Allowed addresses)
Which will allow the specified IP address or IP address range.

Click on, Add IP address...
Select; Allow, or, Block

Under the drop down menu you will be able to select:

All computers on my current network

A single computer
Which will allow the specification of a single IP address or choose a single IP address from a list.

All IP addresses begining with
Which will allow you to specify a specific subnet.

All IP addresses on a Network
Which allows you to enter a specific subnet and specify the subnet mask.

Click, Save after configuring the IP address.