How to Block Internet Control Message Protocol (ICMP)

#Navigate to the Start screen by either clicking the Start icon in the bottom left corner of the screen, or pressing the Windows key on your keyboard.[[Image:Block Internet Control Message Protocol (ICMP) Step 1.jpg|center]]
#Type “Windows Firewall”. Click Windows Firewall once you see it appear on the right-hand side of the screen.[[Image:Block Internet Control Message Protocol (ICMP) Step 2.jpg|center]]
#On the left pane of the Windows Firewall menu, click “Advanced settings” and allow access if asked.[[Image:Block Internet Control Message Protocol (ICMP) Step 3.jpg|center]]
#On the left pane of the Windows Firewall with Advanced Security menu, click “Inbound Rules”.[[Image:Block Internet Control Message Protocol (ICMP) Step 4.jpg|center]]
#Under “Actions” on the right, select “New Rule…”.[[Image:Block Internet Control Message Protocol (ICMP) Step 5.jpg|center]]
#Click “Custom”, then “Next”.[[Image:Block Internet Control Message Protocol (ICMP) Step 6.jpg|center]]
#Leave “All programs” selected, then click “Next”.[[Image:Block Internet Control Message Protocol (ICMP) Step 7.jpg|center]]
#On the “Protocol type” dropdown menu, select “ICMPv4,” then click “Customize”[[Image:Block Internet Control Message Protocol (ICMP) Step 8.jpg|center]]
#* This is a good point to be very specific with the functions of ICMP that you want to block. Research the security advantages of blocking ICMP connections and weigh them against the network implications.
#Once you have selected the specific types you would like to block, click “OK.”[[Image:Block Internet Control Message Protocol (ICMP) Step 9.jpg|center]]
#* For the Scope, you can configure whether the rule applies to traffic from certain IP addresses or for all traffic on the network.
#On the Action page, select ”Block the connection” then click “Next.”[[Image:Block Internet Control Message Protocol (ICMP) Step 10.jpg|center]]
#Select which profile you want the rule to apply to and click “Next.”[[Image:Block Internet Control Message Protocol (ICMP) Step 11.jpg|center]]
#Give the rule a name and click “Finish.”[[Image:Block Internet Control Message Protocol (ICMP) Step 12.jpg|center]]
#* You have now created a host-based firewall rule for blocking ICMP traffic.