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Product Guide 83
McAfee Firewall
Refining conditions
After you select the primary function for the rule, you can further refine the
rule by checking the check boxes for any or all of the communication
characteristics:
To customize the refinement condition, click [click here to select]
. Depending
upon the communication characteristics selected, various dialog and text
boxes display. For example, if the custom rule states “Block this program from
communicating and the IP address is,” then an Add/Edit rule text displays
allowing you to enter an IP address. Similarly, if you want to block a program
from communicating by protocol, an Edit Protocols dialog displays.
To save your changes, click OK.
System configuration
Your computer’s operating system performs many types of network
communication without reporting directly to you. McAfee Firewall lets you
explicitly allow or block different system functions. Settings may be different
for each network device, since a computer, for example, can be connected to
an internal network as well as having a dial-up connection to the Internet.
Use the steps below to control your System settings.
1 From the Advanced Task list, select Configure network adapters.
2 From the Configure Network Adapter Settings screen, select the adapter
you want to configure and click Adapter Settings to view or change the
properties of this adapter.
Result: The Properties sheet for the selected network adapter displays.
With... Using...
w direction
w domain names
w IP addresses
w protocols
w remote ports
w local ports