Access control method and system and access terminal

摘要

Embodiments of the present invention provide an access control method, an access control system, and an access terminal. The method includes: receiving, by an access terminal, an HTTP request message transmitted by a UE where a destination IP address is an IP address of the access terminal; obtaining an actual IP address corresponding to a website domain name according to DNS resolution when the website domain name is not the IP address of the access terminal, and controlling, according to the actual IP address, the UE to access a target site corresponding to the website domain name. The technical solutions of the present invention solve the problem that a user cannot access the target site because of the cache characteristic of the user equipment.

主权项

1. An access control method implemented in a web browsing session, comprising:
receiving, by an access terminal, a Hypertext Transport Protocol (HTTP) request message from a user equipment (UE), wherein the HTTP request message comprises a website domain name and an IP address, and wherein if there is a correspondence between the website domain name and an IP address cached in the UE, the IP address in the HTTP request is the IP address cached in the UE; determining, by the access terminal, whether the IP address in the HTTP request message is an IP address of the access terminal; if the IP address in the HTTP request message is the IP address of the access terminal, and the website domain name in the HTTP request message does not match a domain name of the access terminal, obtaining, by the access terminal, an actual IP address corresponding to the website domain name in the HTTP request message via a domain name system (DNS) resolution; and controlling, by the access terminal, the UE to access a target website corresponding to the actual IP address.