The ICMP rules are used to control ICMP packets. The frame as following:

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Work mode of ICMP

The details about the work mode, please view here.

How to add, edit or delete rules

About how to add, edit or delete rules, please view here.

More operations

Right-click on list box, a popup menu will be displayed, there have a group of commands to operate the rules, about the details, please view here

You need to click Apply button to apply the changes after it modified.