| 摘要 |
A managed network with a quarantine enforcement policy based on the status of installed updates for software on each client seeking access to the managed network. To determine whether a client requesting access has up-to-date software, an access server may communicate directly with an update server to determine the update status of the client requesting access. Information from the update server allows the update server to determine which update the client requesting access is missing. The access server may also receive an indication of the severity of the updates missing from the client requesting access. The access server may use the severity information to apply a quarantine enforcement policy, thereby avoiding the need for either the client or access server to be programmed to identify specific software updates that must be installed for a client to comply with a quarantine enforcement policy. To reduce network congestion and delays seeking access to the network, the quarantine enforcement policy includes a deadline by which updates must be installed. Establishing a deadline allows a grace period during which clients may download new updates and avoids network congestion from multiple clients downloading updates simultaneously.
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