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You can configure Firewall to prevent or allow computer users to ping your computer. To configure your ICMP ping requests setting: 1. In the Windows taskbar, next to the clock, right-click the M icon, and then click Open McAfee SecurityCenter.
1. Click on the Start Button, and then click Settings. 2. In the Settings Menu click Network & Internet. 3. In this window make sure you have Ethernet selected on the left side and then click on Windows Firewall on the right side. 4. On the left side of the window click Turn Windows Firewall on or off. 5.
Windows Firewall settings in Windows XP Service Pack 2.. Windows Firewall was first introduced as part of Windows XP Service Pack 2. Every type of network connection, whether it is wired, wireless, VPN, or even FireWire, has the firewall enabled by default, with some built-in exceptions to allow connections from machines on the local network.
ICMP tunneling works by injecting arbitrary data into an echo packet sent to a remote computer. The remote computer replies in the same manner, injecting an answer into another ICMP packet and sending it back. The client performs all communication using ICMP echo request packets, while the proxy uses echo reply packets.
In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).
To enable firewall protection: On the Windows taskbar, next to the clock, double-click the McAfee (M) icon. In the McAfee SecurityCenter window, click Web and Email Protection. Click Firewall Off. Click the Turn On button. Click Done. Don't see the McAfee icon next to the clock? If you're using Windows 7 or 8, click the arrow next to the clock ...