How to enabled ICMP on a windows 10 OS computer

Question

I'm using open vpn. My computer # 1 can ping computer # 2. My computer # 1 is using open vpn. My computer # 2 is connected directly under a cradlepoint router where I have setup the open vpn configuration/certificate file. I enabled ICMP host on computer # 1 but my computer # 2 cannot ping computer # 1. I see traffic in wireshark but there is no response.

Answer 1

When you connect the VPN then there are two active connections that likely have different firewall profiles. You can check this in Control Panel\Network and Internet\Network and Sharing Center. By default the firewall profiles apply to all connections which means in this case they'll overlap but you can open Defender Firewall, then properties (right-hand pane) then on each profile tab choose Protected Networks Customize and uncheck those that don't apply. Then you can enable ICMPv4 for the VPN profile.

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