Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh firewall show state ?
show state
[[ verbose = ] DISABLE|ENABLE ]
Shows current firewall state.
Parameters:
verbose - Verbose mode (optional).
DISABLE - Display only summary information (default).
ENABLE - Display all available information.
Examples:
show state
show state DISABLE
show state ENABLE
show state verbose = DISABLE
show state verbose = ENABLE