What is the "core networking" in my firewall exceptions list, and should it be checkmarked?

What is the "core networking" in my firewall exceptions list, and should it be checkmarked?
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1 Answer

Answer :

Each Windows Firewall exception is involved with some bit of functionality that you will lose if they are turned off. Basic TCP/IP traffic such as DHCP, DNS, ICMP, Group Policy, and so on are supported by the Core Networking rule group. If the rules in this rule group are disabled, your machine can’t talk on the network. Make sure that it’s enabled.
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