Windows Filtering Platform Blocked a Packet

By Guest SB_011
October 31 in Microsoft Products Support & Discussions

https://extremetechsupport.com/topic/326933-windows-filtering-platform-blocked-a-packet/

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Guest SB_011

I set up a Windows Server 2022 Datacenter Hyper-V machine hosting a few Red Hat VMs. In the Security Logs I'm logging several Event IDs 5157 and 5152 per second showing blocked connections and blocked packets from my VMs. The Windows Filtering Platform is blocking UDP packets sent to the broadcast address for the virtual network hosting the VMs. This traffic is intentional and needs to be allowed. See screenshots below. Connection BlockedPacket BlockedI have Windows Firewall allow rules implemented to allow all Inbound and Outbound UDP to the subnet just to see if it clears up the issue. I als