| 摘要 |
A method for data communication method using web port with firewall is provided to transmit data without disconnection by maintaining a connection from inside and outside of firewall through web port between client network and server network. A client uses an HTTP(Hyper Text Transfer Protocol) to request a service to service gateway through a specific web port opened in the firewall of the service server network(S1). The service gateway requests a data transmission to a service server corresponding to the requested service as described above, and set up a service connection to TCP(Transfer Control Protocol) after receiving the response. The service gateway transmits data to the client through the TCP connection.
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