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	"title": "Configure Virtual Machine Communication Interface Firewall",
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	"plain_text": "Configure Virtual Machine Communication Interface Firewall\r\nPublished: 2026-01-19 · Archived: 2026-04-05 19:52:03 UTC\r\nConfigure Virtual Machine Communication Interface Firewall\r\nLast Updated January 19, 2026\r\nYou can configure the virtual machine Communication Interface firewall (VMCI) to restrict virtual machines\r\naccessing the hypervisor-based services and VMCI-based services.\r\nYou can restrict VMCI usage to a subset of VMCI-based services on each virtual machine. For example, you can\r\nallow certain virtual machines to access VMCI services and deny access to others for security reasons.\r\nCurrently, VMCI devices support guest to host communication. A virtual machine can communicate with VMCI\r\nservices through the following means:\r\nESXi hypervisor\r\nServices installed on the host operating system in the form of a vmkernel module\r\nApplications installed by a verified vSphere Installation Bundle\r\nSource: https://techdocs.broadcom.com/us/en/vmware-cis/vsphere/vsphere/7-0/vsphere-virtual-machine-administration-guide-7-0/configuring-virtual-machine-hardwarevm-admin/virtual-machine-network-configurationvm-admin/serial-port-configurationvm-admin/configure-the-virtual\r\n-machine-communication-interface-firewallvm-admin.html\r\nhttps://techdocs.broadcom.com/us/en/vmware-cis/vsphere/vsphere/7-0/vsphere-virtual-machine-administration-guide-7-0/configuring-virtual-machine-hardwarevm-admin/virtual-machine-network-configurationvm-admin/serial-port-configurationvm-admin/configure-the-virtual-machine-communication-interface-firewallvm-admin.html\r\nPage 1 of 1",
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