Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh interface portproxy show ?
The following commands are available:
Commands in this context:show all - Shows all port proxy parameters.
show v4tov4 - Shows parameters for proxying IPv4 connections to another IPv4 port.
show v4tov6 - Shows parameters for proxying IPv4 connections to IPv6.
show v6tov4 - Shows parameters for proxying IPv6 connections to IPv4.
show v6tov6 - Shows parameters for proxying IPv6 connections to another IPv6 port.