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VMAFD

The VMware Authentication Framework Daemon (VMAFD) is a critical component of VMware vSphere’s authentication and certificate management infrastructure. Here are some key points about VMAFD:

  1. Core Functionality: VMAFD provides essential authentication services and manages the VMware Endpoint Certificate Store (VECS). It ensures that various vSphere components can securely authenticate and communicate with each other.
  2. Integration with VECS: VMAFD includes VECS, which stores certificates, private keys, and other certificate-related information. VECS is crucial for managing the security of vSphere components.
  3. Services Provided: VMAFD supports several authentication services, including:
    • Single Sign-On (SSO): Facilitates secure authentication across vSphere components.
    • Certificate Management: Manages the lifecycle of certificates used by vSphere components.
  4. Deployment: VMAFD runs on every vCenter Server, Platform Services Controller (PSC) node, and management node. It ensures that all nodes in a vSphere environment can securely authenticate and communicate.
  5. Periodic Updates: VMAFD periodically polls the VMware Directory Service (vmdir) for updates to the trusted root store, ensuring that the latest trusted certificates are always available.
  6. Management Tools: Administrators can manage VMAFD and VECS using command-line tools like vecs-cli, which allows for listing, adding, and removing certificates and keys.

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