User Manual

Chapter 19 McAfee Total Protection 99
Allow access to an existing system service port
You can open an existing port to allow remote network access to
a system service on your computer.
Note: An open system service port can make your computer
vulnerable to Internet security threats; therefore, only open a port
if necessary.
1 On the McAfee SecurityCenter pane, click Internet &
Network, then click Configure.
2 On the Internet & Network Configuration pane, under
Firewall protection is enabled, click Advanced.
3 On the Firewall pane, click
System Services.
4 Under
Open System Service Port, select a system service to
open its port.
5 Click
Edit.
6 Do one of the following:
 To open the port to any computer on a trusted, standard,
or public network (for example, a home network, a
corporate network, or an Internet network), select
Trusted, Standard, and Public.
 To open the port to any computer on a standard network
(for example, a corporate network), select
Standard
(includes Trusted).
7 Click
OK.
Block access to an existing system service port
You can close an existing port to block remote network access to
a system service on your computer.
1 On the McAfee SecurityCenter pane, click
Internet &
Network, then click Configure.
2 On the Internet & Network Configuration pane, under
Firewall protection is enabled, click Advanced.
3 On the Firewall pane, click
System Services.
4 Under
Open System Service Port, clear the check box
beside the system service port that you want to close.
5 Click
OK.