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This property contains the DNS address mask used to select members of the class.
Mask = ChatClass.IdentMask
ChatClass.IdentMask = Mask
The IdentMask property designates one or more parts of an incoming client's identity, which the service can use to add members to the class. For example, if the mask is "*@microsoft.com", any client whose host name contains "@microsoft.com" is added to the class. The mask can contain up to 63 characters.
To use IdentMask, verify that ReverseDNSLookup is set to ctReverseDNSRequire. This allows the server to obtain the Domain Name System (DNS) host name of an incoming client. You cannot use IdentMask unless the client's DNS host name is verified.
The IPAddress and IPMask properties are ignored if you enter an ident mask.
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