Patent ID: 7853720
Filing Date: 2010-12-14
Classification: H04L

Abstract:
1. A method for accessing a local network access device on the basis of a DNS (Domain Name System) in a local network, the local network comprising at least one local network access device, a local computer for accessing the local network access device and a local network gateway for providing the local computer with access to another network, the method comprising: registering an IP (Internet Protocol) address assigned to the at least one local network access device and a domain name mapped to the IP address in the local network gateway; identifying, by the local network gateway, whether a domain name in a received DNS query packet is registered to the local network gateway if the DNS query packet is received from the local computer; and wherein the DNS query packet and the DNS answer packet comprise a DNS message comprising flags set in a first state for the DNS query packet and in a second state for the DNS answer packet,