You can use the DomainGrant property of the IIsIPSecurity object to edit lists of domains that are allowed access to the server.
SecObj.DomainGrant = Domain
varDomainGrant = SecObj.DomainGrant
<%
' Remember to enable Integrated Windows Authentication and
' disable Anonymous Access or you will get and Server 500 error.
Dim SecObj
Dim MyIPSec
Dim DomainList
' Get the IIS object that holds the info for the default site.
' This could be any site root/vdir, or IIS://LocalHost/W3SVC for global
' properties.
Set SecObj = GetObject("IIS://LocalHost/W3SVC/1/Root")
' Get the IIsIPSecurity object
Set MyIPSec = SecObj.IPSecurity
' Make sure GrantByDefault=FALSE or your changes will not count
If (TRUE = MyIPSec.GrantByDefault) Then
Response.Write
"<BR>GrantByDefault was not FALSE. Setting to FALSE.<BR>"
MyIPSec.GrantByDefault = FALSE
End If
' Get the Grant list, as an array, and add your new allowed domain
DomainList = MyIPSec.DomainGrant
Redim DomainList (Ubound(DomainList)+1)
DomainList (Ubound(DomainList)) = "somedomain.com"
' Set the new lists back in the metabase in two stages, and then set
' the metabase
MyIPSec.DomainGrant = DomainList
SecObj.Setinfo
Response.Write "The IPRestriction has been set<BR>"
%>
IPDeny, IPGrant, DomainDeny, GrantByDefault, IIsIPSecurity