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Demonstrating IsPortAllowed

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The following example demonstrates uses of the IsPortAllowed function.


Option Explicit

' Set constants
Const NET_FW_IP_VERSION_V4 = 0
Const NET_FW_IP_VERSION_V6 = 1
Const NET_FW_IP_VERSION_ANY = 2

Const NET_FW_IP_PROTOCOL_UDP = 17
Const NET_FW_IP_PROTOCOL_TCP = 6

' Declare variables
Dim Allowed, Restricted

Allowed = FALSE
Restricted = TRUE
' Create the firewall manager object.
Dim fwMgr
Set fwMgr = CreateObject("HNetCfg.FwMgr")

' First a reminder on the various arguments:
' IsPortAllowed( imagefilename, ipversion, portnumber, localaddress, protocol, allowed, restricted)

fwMgr.IsPortAllowed vbNullString, NET_FW_IP_VERSION_V4, 5500, "172.31.86.122", NET_FW_IP_PROTOCOL_TCP, Allowed, Restricted
WScript.Echo("Is TCP port 5500 allowed on interface 172.31.86.122? Allowed: " & Allowed & "  Restricted: " & Restricted)

fwMgr.IsPortAllowed "C:\Program Files\Windows Media Player\wmplayer.exe", NET_FW_IP_VERSION_ANY, 0, vbNullString, 0, Allowed, Restricted
WScript.Echo("Is Windows Media Player allowed on all interfaces? Allowed: " & Allowed & "  Restricted: " & Restricted)

fwMgr.IsPortAllowed "C:\Program Files\Windows Media Player\wmplayer.exe", NET_FW_IP_VERSION_V4, 8800, vbNullString, NET_FW_IP_PROTOCOL_TCP, Allowed, Restricted
WScript.Echo("Is Windows Media Player allowed on TCP port 8800 on all interfaces? Allowed: " & Allowed & "  Restricted: " & Restricted)

fwMgr.IsPortAllowed "C:\Program Files\Windows Media Player\wmplayer.exe", NET_FW_IP_VERSION_V6, 0, "3ffe:8311:ffff:f28f:ad9d:c61d:39a6:12fb", 0, Allowed, Restricted
WScript.Echo("Is Windows Media Player allowed on interface 3ffe:8311:ffff:f28f:ad9d:c61d:39a6:12fb? Allowed: " & Allowed & "  Restricted: " & Restricted)