Patent ID: 11949681
Assignee: ALIBABA GROUP HOLDING LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A file system server comprising:
one or more processors; and
memory coupled to the one or more processors, the memory storing computer executable instructions executable by the one or more processors, that when executed, causes the one or more processors to perform operations comprising:
receiving a connection request from a file system client, the connection request being a request for a connection to a file system;
sending an identification request for identification authentication of the file system client to a control system;
receiving a response to the identification request from the control system;
determining whether the connection to the file system is allowed based on the response;
establishing the connection to the file system upon determining that the connection to the file system is allowed;
receiving an attempt to access the file system from the file system client by a sub-user;
authenticating the sub-user;
issuing a security token including a globally unique sub-user identifier of the sub-user; and
using the security token to determine access rights of the sub-user to the file system for a subsequent request by the sub-user, wherein the connection request is a transmission control protocol (TCP) connection request, the TCP connection request being a request for a TCP connection to the file system.