Microsoft Windows [Version 6.1.7000] (C) Copyright 2009 Microsoft Corp. C:\Windows>netsh wlan add filter ?
Usage: add filter [permission=]allow|block|denyall [[ssid=]][networktype=]infrastructure|adhoc
Parameters:
Tag Value
permission - Permission type of the filter.
ssid - SSID of the wireless network.
networktype - Network type of the wireless network.
Remarks:
Adds a wireless network into the allowed and blocked network list
configured on the system.
Parameter ssid is required if permission is allow or block. If permission
is denyall then parameter ssid should not be given.
Examples:
add filter permission=allow ssid=ssid1 networktype=infrastructure
add filter permission=block ssid=ssid2 networktype=adhoc
add filter permission=denyall networktype=adhoc