McAfee MIS09EMB3RAA User Guide - Page 96

94 McAfee Internet Security Banning computer connections You can add, edit, and remove banned IP addresses in the Banned IPs pane. You can ban computers that are associated with unknown, suspicious, or distrusted IP addresses from connecting to your computer. Since Firewall blocks all unwanted traffic, it is normally not necessary to ban an IP address. You should ban an IP address only when you are sure that an Internet connection is a threat. Make sure that you do not block important IP addresses, such as your DNS or DHCP server, or other ISP-related servers. Add a banned computer connection You can add a banned computer connection and its associated IP address. Note: Ensure that you do not block important IP addresses, such as your DNS or DHCP server, or other ISP-related servers. 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 Banned IPs. 4 On the Banned IPs pane, click Add. 5 If the computer connection is on an IPv6 network, select the IPv6 check box. 6 Under Add Rule, do one of the following: ƒ Select Single, and then enter the IP address in the IP Address box. ƒ Select Range, and then enter the starting and ending IP addresses in the From IP Address and To IP Address boxes. If your computer connection is on an IPv6 network, enter the starting IP address and the prefix length in the From IP Address and Prefix Length boxes. 7 Optionally, select Rule expires in, and enter the number of days to enforce the rule. 8 Optionally, type a description for the rule. 9 Click OK. 10 Click Yes to confirm.