Patent ID: 8861522
Filing Date: 2014-10-14
Classification: H04L

Abstract:
1. A method implemented by a routing apparatus for allowing a device in an external network to access proactively an internal server in an internal network, wherein the internal network accesses the external network via the routing apparatus, the internal network comprises an internal host and the internal server, the internal host uses a public Internet protocol (IP) address to access the external network, the device in the external network accesses the internal server via the public IP address, the method comprising: receiving, by the routing apparatus, a message exchanged between the internal network and the external network; matching, by the routing apparatus, relevant information carried in the message with corresponding relationship information between external characteristic information and internal characteristic information of the internal server configured in a mapping table, wherein the mapping table is established according to a parameter configured by a user, the parameter configured by the user comprises an external address, an external port of the internal server, an internal address and an internal port of the internal server, the external characteristic information comprising the external address and the external port of the internal server, the external address being the public IP address, the internal characteristic information comprising the internal address and the internal port of the internal server; and processing, by the routing apparatus, the message according to a matching result.