Method of operation of an intelligent transpartent gateway...

Details Method of operation of an intelligent transpartent gateway... Method of operation of an intelligent transpartent gateway...

2004-05-11

2008-08-12

Donaghue, Larry D (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer-to-computer session/connection establishing

C709S245000, C719S328000

Reexamination Certificate

active

07412523

ABSTRACT:
A transparent gateway having increased throughput during a file transfer protocol (ftp) session is provided. This increase is enabled through generalized network address translator (gNAT) at the kernel level that is under user-mode proxy control through an application programming interface (API). Initially, the proxy commands the API to generate a dynamic port-redirect in the gNAT for all connection requests for a port twenty-one to itself at the local port to which it is bound. The proxy may then establish a session on the client's behalf with the ftp server, establish a session on the client's behalf with a different ftp server, etc. The proxy then requests that the API command an address translation in the gNAT to open an ftp data session so that data from the ftp server need not pass up to the user-mode, but may be dynamically redirected within the kernel-mode.

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