Patent ID: 11895157
Assignee: HUAWEI INTERNATIONAL PTE. LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for network security management, the method comprising:
forwarding, by a second network device to a first network device, a first session request from a terminal device, wherein the first session request is used to request establishment of a first session with a first data network, wherein the first session request comprises identifier information of the first data network;
receiving, by the first network device, the first session request;
obtaining, by the first network device, identifier information of a second data network that has previously authenticated a second session of the terminal device, wherein the second session has been established between the terminal device and the second data network; and
in response to determining that the identifier information of the first data network is the same as the identifier information of the second data network, authorizing, by the first network device, the terminal device to establish the first session with the first data network.