Network access verifying method, system and apparatus

Abstract

The invention discloses an authentication method for network access and includes the following steps: access authenticator receives discovery message which is sent by a client terminal of a dynamic host computer configuration protocol and provides a first configuration information of a first network address used in the authentication process for the client terminal of the dynamic host computer configuration protocol in a way that the authenticator interact information with a server of the dynamic host computer configuration protocol; the client terminal of the dynamic host computer configuration protocol is authenticated according to the first configuration information and the interactive information of the authentication server; after the authentication is successfully finished, the server of the dynamic host computer configuration protocol provides a second configuration information of a second network address used in the conversation process for the client terminal of the dynamic host computer configuration protocol. The method also discloses a network access system, an access authentication device and an access controller. The implementation of the embodiment of the invention realizes the stability of the authentication process.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a network access authentication method, system and device. Background technique [0002] Dynamic Host Configuration Protocol (DHCP) is a mechanism for dynamically specifying IP addresses and configuration parameters. It is mainly used in large-scale network environments and places where network configuration is difficult. The DHCP system mainly includes a DHCP server (DHCP Server) and a DHCP client (DHCP Client), and some systems also include a DHCP authentication server. The DHCP server automatically specifies an IP address for the DHCP client, and the computer communication on the network becomes more convenient and easy to realize through the specified configuration parameters. All configuration information is managed uniformly through the DHCP server, IP addresses are allocated through the DHCP server and a large number of other parameter information are configured, as w...

AI Technical Summary

Problems solved by technology

[0014] In the process of implementing this solution, due to the need to carry the corresponding EAP message in the protocol between the DHCP server and AS during the authentication process, the processing flow between the DHCP server and AS changes, and the DHCP server and AS need to be adjusted accordingly. The transformation can support the corresponding authentication function, which increases the corresponding operating cost

Additionally, when implementing the process figure 1 In the process, the authentication process in this solution can be carried out only after a static IP address is allocated at the DHCP client. In the dynamic IP allocation process, the user does not have an IP address before the authentication process begins, and then step S102 starts There is no way for the authentication process to proceed

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